Category: desert gardens

How to make wildlife happy in your garden

You’re probably happy with your gardening efforts — with good reason. After all, you…
– planted a tree on the south or west side of your home to cool it
– removed your front lawn…and perhaps kept some grass in the backyard for a children’s play area
– even added one (or more) shrubs along that concrete block wall to minimize the heat.

So congratulations!

But this post is about why you should take a second look and see your garden through the eyes of a hummingbird, lizard, butterfly, quail, ground squirrel, or other wild creature that may live in your area. (But not javelinas or bears. They are clearly not animals you want to encourage.)

You may even want to re-think your garden as a haven–a kind of “happy place”–for wild creatures in your neighborhood and, thus, deserving of being a Certified Wildlife Habitat. Complete with an official metal plaque you can order and post in your front yard.

The National Wildlife Federation (NWF) and the Arizona Wildlife Federation set standards for having a Certified Wildlife Habitat and the official plaques come from them. They state that in order to be Certified a garden should provide wildlife with food, water, cover from predators, shelter for raising the young, PLUS do all this sustainably.

Start with food for wild creatures

For wildlife food the NWF suggests that you plant natives with colorful flowers and lots of seeds. It’s not necessary, however, to install only native plants because natives often bloom all at once. Other drought-tolerant plants that bloom and produce nectar or seeds at different months during the year can be suitable additions to your wildlife-friendly habitat. For example, you could plant South African natives Pink Trumpet Vine (Podranea ricasoliana) or Cape Honeysuckle (Tecoma capensis) for summer nectar for bees and birds. Humingbird and birdseed feeders can also be good additions to your backyard.

Then next to those vines, for example, plant a desert native Brittlebush (Encelia farinosa) and Mexican Gold Poppies (Escholtzia mexicana) to produce seeds. (Click below to see images of each.)

  • Pink Trumpet Vine Podranea ricasoliana
  • Capoe Honeysuckele
  • Mexican poppies in Tucson

Daily water is a must-have

To provide water, small shallow plant saucers or bowls are your best bet. Backyard fountains look glorious, but given the water problems–and potential water rationing–in the American Southwest, fountains should be disconnected and turned into planters.

Add a few small stones to the plant saucer to help smaller creatures, such as little lizards or little birds, drink comfortably from this water source.

Hidden from danger

Like humans, wildlife wants shelter from predators and shelter to raise young. These can be identical. Trees and shrubs–from short to tall–are excellent hiding places and nesting sites for birds, as well as havens for insects and lizards. These two photos, taken at the Tucson Botanical Garden, demonstrate wildlife-friendly gardening with shrubs at various heights combined with tall trees. There are also hiding places between the pots shown in the second photo.

What you don’t see in these photos are wide stretches of rock mulch with one or two plants. In a good wildlife garden at ground level, attractive ground covers, like cacti and succulents as well as Lantana montvidensis, hide small creatures from predators. Lantana is also a good food source for bees. (In the first photo a fountain appears in the back right side, but we do not recommend adding fountains these days!)

  • lantana montevidensis yellow blooms

Now, the last requirement for Certification as a Wildlife Habitat is that the garden is sustainable. You probably already do much of this: minimize or eliminate lawns, harvest water, avoid pesticides, use natural mulch, and use only drip irrigation.

Do all this and you, too, can have a Certified Wildlife Habitat. You can take the first step here.

While this post is primarily written for gardeners in the arid U.S. Southwest, these standards for a wildlife-friendly garden apply worldwide including Australia, the U.K., Cyprus, and Middle East where many Hot Gardens subscribers live. And where many native creatures are now struggling to survive due to climate change.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Turn a love of gardening into extra cash

Mother Nature can be your BFF if you want to turn your love of gardening into a source of extra spending money. And it is so simple. All you need are inexpensive pots you can buy on Amazon or your local garden center, some potting soil and patience. Then, on a sunny Saturday, hold your “garden sale” on your driveway.

Here is how to start creating cash from plants

varigated pelagornium geranium

Take cuttings from special plants in your garden and plant them in small plastic pots–like the ones you see in the local garden center. Actually, the plants don’t have to be rarities, but they do have to be healthy. For example, if you have a sturdy geranium (Pelargonium) with pretty blooms or varigated or scented leaves, take a few 4″ to 6″ long cuttings for starters. Then stick the cuttings in a inexpensive plastic pot filled with good potting soil. And water frequently. If you think that your geranium seems too ordinary, keep in mind that you liked it enough to buy it, so, no doubt, other people will like it too. You could even have an example in bloom nearby during your garden sale so people can see how attractive it is. It may take six weeks for the geranium cutting to take root.

Divide to multiply

Another example of a plant to sell would be iris, which grow well in hot dry climates as well as looking beautiful. You should divide iris rhizomes every 2 to 5 years anyway, so why not keep some and offer others for sale? Be sure to cut the leaves back to 5 to 6 inches and clearly label the color and if the iris is a rebloomer.

Depending upon where you live, you may also have agapanthus in your garden and they are good candidates for dividing. Simply dig up the root ball, cut it into 2 or 3 large size pieces, replant one section in your garden and sell the others. You should probably divide the iris and the agapanthus just before your driveway garden sale. They should not dry out before replanting. It might also be helpful to your customers to have a little note to give them about planting iris and agapanthus. Each has different requirements.

Then there are seedlings–pick your favorite annual flowers and herbs–which should be started in very small pots again like at the garden center. Then water and wait.

Mother Nature should do her work within a few weeks. The cuttings will have taken root and the seeds should have sprouted to produce seedlings.

Advertise your private garden sale

Then hold a “garden sale” on your driveway on a Saturday morning. Post signs around your neighborhood. List your garden sale online on Craigs List or Next Door. Post notices about it on community bulletin boards. 

Before the sale begins do some research about pricing. As you probably know, iris rhizomes are expensive and agapanthus, too, so price yours accordingly. But geraniums are priced lower and herb seedlings even lower at garden centers and yours should be, too. And at the end of the garden sale day, you pocket the money you made and move any unsold pots into your back yard to continue growing until you hold your next garden sale.

Selling unusual plants for microclimates

Hot gardens plumeria blossoms
Plumeria blossoms are exceptionally fragrant and the plant–a small tree–can grow indoors.

Not long ago we spoke with a man at a California farmer’s market who had trimmed an old tropical Plumeria tree in his back garden and put the 2 foot long ends of the trimmed branches into big plastic pots filled with rich potting soil.  Several months later, when he was confident the cuttings had taken root, he held a garden sale on his driveway based on one ad on Craigs List. And he earned over two thousand dollars over two weekends.

A few weeks later he showed up at a farmers’ market with the few remaining potted Plumeria and proceeded to sell them in another couple of weekends. His goal for his garden sale was to raise money for his daughter’s college education.

One of the reasons he was so successful was that Plumeria trees had just begun making a comeback in popularity after 50 years of being pretty much ignored.  His Plumeria was also of a rare color, which made it all the more desirable and allowed him to charge higher prices.

It’s important to note that Plumerias need a sheltered microclimate in a Southwest desert garden; their leaves will burn when subject to intense, all day sunlight. (Sorry, Phoenix, no plumeria trees for you.) On the other hand, they do well in Mediterranean climates where the temperature doesn’t rise over 90-95F very often.

Cacti and condos – meant for each other

A retired couple we know sell succulents and cacti in small, colorful pots at a local open air market for extra retiree income. Cacti and succulents are often the plants of choice with apartment and condo owners because they grow very slowly and can be ignored for weeks without whithering and dying. Of course, cacti and succulents are the mainstay of many desert gardens so homeowners are also potential buyers.

And as with the other garden sale ideas in this post, Mother Nature does most of the work in producing the products you sell. And you harvest the profits.

Visit my author’s site to see the books I’ve published.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Should you get gardening advice from an A.I.?

You’ve probably already heard about ChatGPT, the new artificial intelligence program by OpenAI that is being called “scarily good.” Well, okay, I thought, maybe it is scarily good about techy stuff but how good is it with gardening advice? So I asked it this fairly basic question.

chlorosis shrub leaves

What causes plant leaves to turn yellow with green veins?

Here is what ChatGPT answered:

“Leaves on plants that turn yellow with green veins is a condition known as chlorosis. Chlorosis is caused by a lack of chlorophyll, which is the pigment that gives leaves their green color. The green veins on the leaves indicate that the plant is still producing some chlorophyll, but not enough to fully color the leaves.”

Okay — so far so good, I thought. And it continued…

“There are several causes of chlorosis, including:

  1. Nutrient deficiencies: A lack of iron, manganese, zinc, or other essential nutrients can cause chlorosis. This is often due to a lack of these nutrients in the soil, or a pH imbalance that makes it difficult for the plant to absorb them.
  2. Disease: Some plant diseases can cause chlorosis, such as leaf spot or rust.
  3. Pest infestations: Pests such as spider mites or aphids can suck the sap from the leaves, causing them to turn yellow.
  4. Environmental factors: Extreme heat, cold, or drought can stress plants and cause chlorosis.”

Item 2 is where ChatGPT begins to slip off the track. Leaf spot or rust do not look remotely like chlorosis; they are orangy yellow round spots on leaves not yellow leaves with green veins. Spider mites and aphids can damage plants but the effect is also spotty leaves–smaller spots–not leaves yellowing.

Then Chat GPT goes for the solution:

“To fix this issue, you need to find the root cause of the problem and take appropriate action. A soil test can help you determine the pH and nutrient levels in your soil and make recommendations for correcting any imbalances. You can also consult with a local nursery or botanical garden for help identifying and treating any diseases or pests that may be affecting your plants.”

That’s where ChatGPT ends.

My conclusion is that it offers basically good advice–as I did in an earlier post about yellowing leaves. But it falls short of the detailed information I wrote about, including short term, fast fixes to out-of-season yellowing leaves. ChatGPT clearly hedges its bet by suggesting that one should consult with a real local human being. (Or maybe a Master Gardener!)

Is ChatGPT trustworthy?

OpenAI, the company that developed this A.I. warns not to trust what ChatGPT says completely — that it sometimes just makes things up. This is a failing of other artificial intelligence programs, too. My guess is that it doesn’t want to appear ignorant — which, of course, opens the question about whether an artificial intelligence computer program can behave as if it is embarrassed by a lack of knowledge — but that is for another blog. Not this one.

I have another gardening question for ChatGPT — one that should be more challenging, but, unfortunately, the Open AI website is so busy that I haven’t been able to get on it again. I’ll report about it, if I can talk with it again.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Where to get free or cheap trees in L.A., Phoenix, San Diego and…

The push for increased tree planting in cities around the world swells with each disruptive weather event. Whether it is reflected in nation-drowning floods in Pakistan or wildfires sweeping mountainsides bare in California, climate change has arrived. And ordinary people are saying: “We gotta do something.”

In response to clamor from citizens to “do something”, several U.S. Southwest city mayors have begun to set goals for the number of trees that should be planted in their communities. And they have enlisted the aid of organizations–usually utility companies–to help them by offering free or discounted small trees.

Before I go into how to get free trees locally, however, I want to answer a basic question.

Why plant trees?

Tree planting in cities has gone on for decades, mostly for aesthetic reasons. People like living and walking along tree-lined streets. There are now two other reasons to plant a tree at your home.

A street lined with Palo Verde trees that bloom brilliant yellow in April.
  1. As I wrote in the previous post, trees can become green canopies, natural umbrellas to cool hot city streets, sidewalks and other hardscape. It is a simple mechanical process: tree leaves blocking, reflecting or minimizing sunlight means cooler air and a cooler landscape underneath.
  2. There is also a chemical process that occurs when a new tree is planted. As they grow, trees absorb carbon dioxide, a gas that is a major contributor to climate change. Trees are carbon capturing plants that remove CO2 from the air and keep it stored in their leaves, trunk and branches. Less CO2 slows climate change. And the oxygen plants emit is the breath of life for people like you and me.

Trees planted for both these reasons make the world a pleasanter place for humans.

Javelina Cousin book ad

Ok. Now for those free trees

In Los Angeles, the Green New Deal identifies a goal of planting 90,000 trees. To reach that goal an organization called City Plants will deliver up to 7 free trees to your door. You have to plant them yourself but they provide instructions.

Crape myrtle

Don’t have space for another tree? They will also plant a street tree in front of your home or business, including obtaining the proper city permits.

City Plants also offers many “Adopt a tree” events for same day pick up of one fruit or shade tree. Check their website for details.

So who is picking up the tab for all this? The LA Dept. of Water and Power.

In Phoenix the goal is to plant 5,000 trees every year to increase the citywide tree canopy to 25%. It’s currently around 10%. Working in conjunction with Salt River Power and Trees Matter, Phoenix residents can take home 2 free desert native trees — mesquites, palos verdes, desert willows–after attending a Zoom meeting about planting and caring for trees.

San Diego, sadly, has discontinued their rebate program. I hope it will be restarted in 2026. Under this program homeowners received a $35 rebate from San Diego Gas and Electric for each tree purchased up to a total of 5 annually. And–happy news for renters and condo owners–you don’t have to plant the tree in the ground. Put your 1 or 5 gallon starter tree in a big pot on your balcony or patio and you qualify for the rebate.

Chines pistache tree hot gardens

In Tucson, the goal is an ambitious Million Trees planted by 2030. Trees for Tucson, a part of the environmental organization, Tucson Clean and Beautiful, is selling locally grown trees for $30 each. You will have to plant the tree yourself.

A better tree deal comes from Tucson Electic Power. You can order up to 3 starter trees through the TEP website for $5 each. They will send you an email about where and when to pick up your tree to take home and plant.

Like San Diego, Albuquerque uses a rebate program to help homeowners plant new trees. The ABQ Tree-Bate plan will pay a homeowner 25% of tree planting costs up to $100 as a rebate on the water bill. Better yet, the rebate can cover tree maintenance expenses and irrigation installation as well as the tree you plant from the city’s authorized list. Be sure to check the website before you rush out to buy a new tree.

And San Antonio, which really isn’t in a desert but I’m including it anyway, gives away free fruit trees at various special events around the city. (If you want more info about growing fruit trees in the desert go here.)

Big goals but not involving homeowners

El Paso also has a goal of a Million Trees planted, but is working through a non-profit organization which solicits cash donations and does the planting itself. I couldn’t find anything about free or almost free trees for homeowners.

Another example of a non-profit soliticiting donations and doing the planting is Las Vegas where the mayor wants the city to plant more than 60,000 street trees by 2050 to provide shade and bring temperatures down in areas most impacted by the urban heat island effect. Nothing on the website about tree planting assistance for homeowners.

Now about those huge national and international tree planting organisations

I am suspicious of some of the organizations who will for a dollar or two or more promise to plant a tree on your behalf somewhere around the country or around the world. You may not be helping who you think you are. Some are commercial tree growers who plan to harvest the “tree you paid to have planted” in 15 to 30 years. “Your tree” may well become a roll of bathroom tissue! These people are not restoring permanent forests!

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Best 9 trees to combat climate change in the Southwest

Here in the hot, dry region of the U.S. Southwest tree planting has become more urgent as year after year the days get hotter and drier. The driving idea behind the tree planting efforts is to create a green canopy, a natural, cooling umbrella over cities.

In Las Vegas, the Mayor’s goal is to have 60,000 new trees planted by 2050.

In Tucson, the mayor is more ambitous: she wants to see a million new trees planted by 2030. El Paso, too, has set a million tree goal.

And In Los Angeles, one volunteer group, City Plants, installs 20,000 trees for free along the city streets every year. (More about free or almost-free trees in Western cities in my next post.)

If you want to do your part, but on a personal, residential scale, consider planting one or more of these trees–plus one shrub, the Chaste tree. Many are as wide as they are tall. They are all drought-tolerant and cast shade to cool your home and garden. I’ve added information about how tall the tree should grow, how fast it will grow and how long the tree should live. (Hint: All but one should outlive you!)

Trees that bloom in the Spring and Summer

Sweet Acacia (Vachellia farnesiana) is a species of thorny shrub or small tree. Brilliant yellow ball-like flowers, which are used in perfume industry. Will grow to 20 feet tall x 20 wide, moderate to fast grower. Lives 20 to 30 years.

Palo Verde (Parkinsonia florida) is a native to the Sonoran desert and is recognizable by the green color of its trunk and branches. Almost leafless most of the year, so it casts only a light shade. It bursts into brilliant yellow bloom in April. Grows 2 or 3 feet a year to 15 to 30 feet tall with an umbrella-like canopy. Lives 100+ years.

Desert Willow (Chilopsis linearis) can be grown as a small, messy tree or multi-trunk shrub 30 feet tall. Grows 2 to 3 feet a year. Lives from 40 to over 100 years, if planted no higher than an elevation of 5,000 feet. As a desert native it needs little care but, I repeat, it is a messy tree dropping those long, brown seed pods for you to clean up.

But read about the next tree, a tidier hybrid of the Desert Willow…

Chitalpa trees (Chitalpa tashkentensis) can grow as large, multi-stemmed shrub or a single-trunk tree. Unlike its cousin the Desert Willow, Chitalpa trees were created to be sterile and do not drop those long, pointy seed pods. For that reason the chitalpa is often planted as a street tree that blooms for months on end. Loves the endless sun shine and grows very fast to 30 feet tall. And is said to live up to 150 years.

Javelina Cousin book ad

Trees that turn color in Fall

Fan Tex Rio Grande ash has leaves that turn to a brilliant gold in fall, unlike it’s cousin, the ordinary Arizona Ash (Fraxinus velutina) that lacks the golden yellow fall color. Both ash varieties are adapted for a desert climate with low water usage. It is moderately fast-growing tree that will grow to a height of 30 to 50 ft and may survive 50 years with proper care.

Chinese Pistache (Pistacia chinensis) is a pistachio hybrid that produces no nuts. In Fall the leaves on the male tree turn from green to gold to brilliant red then loses those leaves in winter. The female tree simply turns golden — not vibrant red. Grows 12 to 15 inches per year to a mature height of 25 to 40 feet tall and as wide. Should be planted in full sun; if planted in partial shade the result will be a lopsided tree.

Trees that need little maintenance

Mesquite (Prosopis velutina) commonly known as velvet mesquite, grows 12 to 24 inches per year to a mature height of 40 feet tall. Needs almost no care. It’s advisable not to plant it in a lawn that is regularly watered. Too much water or fertilizer weakens the roots of the mesquite which may then tip over during high winds. It will live for as long as 200 years. Equally durable in a desert garden are the Honey mesquite, the messy Screwbean mesquite and Chilean mesquite which has fewer thorns.

Chinese elm (Ulmus parvifolia). Capable of adding 12 to 36 inches of height per season, the drought-tolerant Chinese elm is a very rapidly growing tree with a weeping shape and deep shade underneath. Some lose their leaves in winter and others do not and it is not clear why this happens. This tree can grow to a height of 40 to 50 feet within 15 years. Lives 50 to 100 years.

A tree that produces fruit

Fig tree (Ficus carica) The common fig tree is a deciduous tree that can also be grown as a shrub or espaliered on a trellis. Produces fruit in 3 to 5 years. Grows 12 inches a year up to 30 feet tall and in its tree form ends up much wider than taller. Its large leaves cast very dark, cooling shade and a fig tree lives 50 to 200 years. For other fruit trees for the desert go here.

And my favorite shrub, the fragrant Chaste tree

Chaste (Vitex agnus-castus) is a hardy, fast-growing flowering shrub that produces bloom spikes of light purple, white, or blue flowers in mid-summer. If seeds and faded blooms are removed it will continue to flower. It has very fragrant leaves. Grows rapidly to a height of 20 feet — the size of a small tree–and lives for 15 to 20 years.

Where to get a free or cheap tree for your home.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Follow the 90 degree rule for planting

Fall is definitely the best time to plant in hot, dry Western gardens. It’s actually a good time to plant in much of the world, because, after all, Fall is when Mother Nature sows seeds.

But not just any Fall day will do. In the desert southwest, including parts of Texas and California, you should wait until the average daytime temperature drops under 90F before you plant.

The issue isn’t only the air temperature, but the temperature of the ground. The soil, especially native soil, is far too warm now for the roots of transplants to grow. Between the dehydrating effect of the air temperature on new leaves and the “cooking” effect of the hot earth on the roots, new transplants may not survive very long even if you water them frequently.

Where to get a free or cheap tree for your home.

How to protect your transplants

Clematis in bloom
The Clematis jackmanii in my backyard.

However, if you just can’t wait to start gardening again after a summer hiatus, you may be able to protect your transplants by placing a piece of tile or broken terra cotta pot over the root zone, thus keeping it cool.

I did this with a Clematis Jackmanii, a plant not commonly found in a hot, dry garden. I planted it by a trellis in a very sheltered corner with a broken piece of pot over the root zone. It grew and bloomed then over winter it died back. The following spring it rose from the seemingly dead to climb the trellis and bloom again. To see other climbing plants for hot dry gardens, to here.


You could also add shade cloth to help reduce the temperature.

Should you avoid planting in native soil?

I have to admit that the Clematis was not planted in purely native soil. In most of the Southwest the soil is alkaline and lacking many of those tasty chemicals that hungry plants need. Realizing this, I made sure the Clematis was installed in a flower bed with super-enriched soil made mostly of organic mulch. And remulching twice a year is a must with our poor quality dirt which leeches all the good chemicals out of the mulch into the dirt within months. “Poor dirt” returns to being “poor dirt” rather quickly.

Another approach is to plant in raised beds, but those large wooden or metal boxes can become rather expensive. So, consider going to Amazon to find grow bags for a more affordable solution.

They come in small, medium and large and are good for growing almost every type of vegetable or herb. You can fill these bags with soil you buy at the garden center or mix native soil into the bag with commercial potting or top soil. And all the good, nutritious chemicals in the growing mixture end up feeding your plants — not dissolving into the surrounding soil.

working after retirement ebook and paperback

Prickly Pears may save us all

Well, I’m late with this, but according to a five-year study at the University of Nevada Reno, those ubiquitous prickly pear cacti (Opuntia) can become a new source of bioenergy feedstock to replace fossil fuel. This cactus also does double-duty as a land-based carbon sink removing carbon dioxide from the atmosphere and storing it in a sustainable manner. Just like trees do.

This is especially important because, according to a biologist at Saguaro National park as the climate in Arizona and around the world is changing prickly pear cacti are becoming more common. They really like the new weather conditions and poor quality soil is no problem for them. So add a prickly pear to your garden to help with the changing climate. And keep in mind that prickly pear jam is delicious!

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Gates to hide secret gardens and courtyards

Summer heat has arrived and planting season is behind us in the Southwest. If your gardening urge is still strong, there are other additions and/or changes you can make at this time of year starting with landscape features — the walls and garden gates around your home.

In newer communities in the Southwest, grey concrete block walls on three sides of a property are pretty much standard. In Tucson, perhaps because of its long ties with Mexico and Spain, many homeowners–especially in older neighborhoods–go one step further and enclose the front yard to create a private, family courtyard. And with walls on four sides, the garden gate entry to this secluded area becomes a very important statement.

So be inspired by these photos. Some are of very expensive custom stuccoed walls with garden gates designed by artists. But there others that use standard, off-the-shelf elements and even one that falls within the do-it-yourself range. And a simple coat of paint on a gray block wall or iron fence can always bring new life to a desert garden.

Fearless color and custom gates

One would expect a Spanish Revival home behind this wall and custom garden gate, but actually the house looks more like a Craftsman home that has been painted dark chocolate brown with orange trim. The gate with its sunburst is clearly Arizonan, but not a visual barrier. Definitely no fear here–well, except for that coiled snake on the left.

Another orange/terra cotta wall, but with a far less elaborate–and less expensive–gate. It is an ordinary door, painted deep blue. The sugar skull design appears to have been routed out of a thin panel of wood, but using paint for the face would create a similar look. The lights on either side of the door have pierced clay covers. Privacy is clearly important to these homeowners. But where is the door bell? I’m not sure.

Three doors that are almost medieval. All three appear to be handcrafted with found or repurposed wood. And each says “Stay Out”. The small sign on the brown wood door with a lion knocker states that the person standing there is under video surveillance. I guess some people are friendlier than others.

Gates across your driveway

  • garden gate with giraffe

Driveway gates with decoration added. The teddy bear parade gives passers-by laugh, especially with the giraffe, far right, peaking over the wall. In the second photos, the actual gate to the house is quite open. And in the third image at another home, the trickster Kokopelli playing his flute guards the drive.

Less expensive and very Arizonan

An ocotillo branch fence — a tradition that goes back thousands of years. The indigenous people used ocotillo for fencing, as well as for “roofs” on their ramadas long before any Europeans showed up. You may be able to collect ocotillo branches yourself, or they are available for purchase at a few stores I found online.

Another use of ocotillo on a gate. This one, however, seems to be a hybrid of the medieval fortress gates and ones using natural materials.

Rustic and charming

This is a charmingly rustic, do-it-yourself sunburst garden gate. It appears someone dismantled an ordinary gate and inserted painted metal elements representing the Arizona environment: cacti, mountains and a sunburst. The wall has been artificially “aged” by incomplete exposure of the brick. Fun!

Painting a iron gate and fence purple gives a customized look to what is probably an off-the-shelf addition to this Spanish Revival cottage and garden.

True confession: I love this gate and wall. 100% found and repurposed materials aging naturally in the Arizona sun. And who knows what lies behind; it’s on the edge of a light industrial area. In the second image, it is apparent that the red door was once something else that looks as if it is from India. Repurposed on an entirely different continent!

One last comment: if your homeowners association bans front yard walls or if you prefer not to add one, see the 6 distinctively different desert landscape designs on this website. They range from woodland to dry creek bed. All are open to the street.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Oh so yellow, gravel gardens and no mow rewilding

When April comes in Tucson and the temperature reaches to the high 80s F (30C) the Arizona native Palo Verde (Parkinsonia florida) trees burst into dazzling bloom. Street after street are lined with them and, were gas prices lower, I might be tempted to spend a hour or two every day driving around the city taking photos of them.

The Palo Verde is a good basis for a two-color garden–green + one other color–and yellow is a good color to pick because so many plants for hot, dry gardens bloom in yellow.

Plants for a yellow green garden

So here are a few plants to use in a green and yellow garden with almost no extra watering is required.

Two Palo Verde trees across the street from my home. Look closely and you’ll see others further on down the street. The only water this garden receives is rainfall of about 14 inches (35 cm) a year, most of that during the summer monsoon. In Spanish Palo Verde means green stick — the trunk and branches stay green year ’round. The leaves are tiny and, overall, the Palo Verde is not great as a shade tree –but awesome in April!

Going native with yellow flowering plants

yellow flowers on purple prickly pear cactus

Prickly pear cacti (Opuntia) in bloom. The variety on the right, the Santa Rita, has the bonus of bringing purple to your garden after the flowers fade. Another bonus with prickly pear: the fruit is edible and especially good as jam.

If you want a garden like an Arizona native, plant a Brittle Bush (Encelia farinosa) with its daisy-shaped yellow blooms. Actually, they grow well with little attention in both the Mojave and Sonoran deserts–that means in Las Vegas and Phoenix.

yellow lantana in bloom

If you don’t care about native v. non-native a golden yellow Lantana (Lantana montevidensis) fits right in a yellow-green garden theme. Whoever planted this South American native slipped in a couple of small purple Lantanas, but they are not as long-blooming or hardy was the golden yellow ones.

Of course, you can always add an annual like the Sunflower — Ukraine’s national flower–or Rudbeckia, a low-growing perennial with sunflower-shaped blooms. And your local plant nursery may have other suggestions.

Gravel gardens — a new trend?

While it may not be apparent in these photos, none of these gardens have lawn. The one near my home, has–as you can see in the photo–simple Arizona dirt underlies the garden. The Lantana was planted in fine pebbly mulch in a Southern California garden.

So I read with some amusement of the “new” trend toward gravel gardens in the U.K. and in the U.S. northeast. Basically, they are what we call desert gardens with rock mulch. In the northeast and U.K., however, the aesthetic choice seems to be grey gravel instead of golden or red sandstone colors. But planted lawns that have to be mowed, watered and intensively cared for — they’re out!

Where to get a free or cheap tree for your home.

Rewilding roadsides may be dangerous

Another trend out of the U.K. is the rewilding of roadsides. It seems to have taken hold as more and more towns across England simply let the verge alongside roads become home to native plants and grasses instead of mowing them. Traditionally, May is the mowing month. But no longer.

In truth, many of these roadside gardens are not purely native: they receive a little boost with seeds of wildflowers scattered among the volunteer plants. While I like the rewilding idea, just letting plants and grasses grow along roadsides can create added wildfire danger here in the American West.

So while I can cheer the trend toward no lawn “gravel gardens”, I have problems supporting letting native grasses and plants grow uncontrolled along the Western roads and highways.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

5 fragrant plants for your hot garden

Summer is coming and with it, warm evenings to enjoy outside on a patio beneath stars and moon — and all of Elon Musk’s orbiting satellites.

While star-watching and satellite-watching may appeal to the eyes, fragrant plants in your garden create appealing scents that makes being outdoors after dark an even better experience.

So here are 5 very fragrant trees, shrubs, and vines that do well in hot, dry climates. Note that not all are drought tolerant. Some will need watering as the days heat up. And some bloom and release their fragrance during the day, too.

Fast growing and fragrant

Butterfly Bush or Summer Lilac (Buddleja davidii). This rangy shrub, above, grows fast and produces fragrant, lilac-like blooms in mid-summer. In cold winter areas it may freeze to the ground, but will regrow and bloom the same year. In fact, if you plant one now, you may have a good-size shrub with blooms this summer in your desert garden. One interesting variety is the ‘Harlequin” with dark magenta flowers and white-edged leaves. Another popular variety also created by Monrovia Nursery is the “Black Knight,” pictured above.

A show-stopper in your front yard

Flowering Crabapple. (Malus ionsis ‘Klehms’) Cars will come to a screeching halt on the street outside your home if you plant a flowering crabapple in your front yard. When this tree blooms, it is covered with glorious, fragrant double-pink flowers. The blooming period is short and the resulting fruit is best in jellies or pickled. In the fall the leaves turn a brilliant rusty orange giving you a second season of color.

Like most crabapple trees, it is rounded and low-growing to about 15 or 20 feet and definitely needs regular irrigation during hot summer months. Because some varieties are susceptible to regional diseases, ask your local nursery which one is best for your area. But try to find a fragrant, double-flowering one!

Where to get a free or cheap tree for your home.

Imitating orange blossoms

Pittosporum (Pittosporum tobira) is also called ‘Mock Orange’ because its fragrance can envelope a garden in an unforgettable scent similar to a true orange. Over the years pittosporum has become quite popular with commercial landscapers because two dwarf varieties are definitely drought tolerant: ‘Wheeler’s Dwarf” or “Turner’s Variegated Dwarf’. They are almost indestructible.

But neither of these dwarf hybrids produce the incredible fragrant flower clusters that the non-dwarf Pittosporum tobira does. It can be used as a hedge shrub or small tree and grows from 6 to 15 feet tall with very dense shade beneath.

Another member of this family is the Cape Pittosporum (P. viridiflorum) which grows to 25 feet high, has small, very fragrant flowers, but–alas–may not be suitable for all hot gardens. It does better in more humid, tropical climates. Again, ask your local nursery.

A true night bloomer

It’s commonly called “night-blooming jasmine”. It is, however, not a true jasmine at all, but is a jessamine plant (Cestrum nocturnum), a member of the nightshade family along with tomatoes and peppers. Whatever its name it is noted for releasing its fragrance after dark in hot, dry gardens.

Like jasmine, jessamine plants can be shrubs or vines. Night-blooming jessamine is a tropical, evergreen shrub, native to the West Indies that grows 8-10 feet (2.5-3 m.) tall and 3 feet (91.5 cm.) wide. It is evergreen and tall so it makes night-blooming jasmine an excellent candidate for privacy hedges and screens. It bears clusters of small, white-green flowers from spring through late summer. When the flowers fade, white berries form and attract a variety of birds to the garden. These berries are toxic. Do not eat them.


Decades of graceful purple blooms

The lovely Wisteria (sinensis) is a surprisingly tough vine suitable for growing in hot dry climates. Better yet, it does well in poor soil so, if you plant one, do not fertilize it. Wisteria requires patience because it may take up to 5 years for the first flowers to bloom if you have planted one grown from cuttings. Wisteria grown from seed may take 20 years to bloom. Then it is non-stop! After that it could continue to put forth fragrant flowers for decades. In Sierra Madre California the annual Wisteria Festival celebrates one plant that is documented to be over 100 years old. And still blooming!

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I had considered adding Hall’s Honeysuckle (Lonicera japonica ‘Halliana’) to this list because it is so very fragrant, but even in hot dry climates is is highly invasive.  Like Cat’s Claw (Macfadyena unguis-cati) it will take over wherever it’s planted.

If you want to add white, night-blooming plants to enjoy during hot evenings, visit our June newsletter for suggestions about what to plant this Spring.

Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat

Birds and cactus on the move

On Christmas Day the Audubon Society turned out thousands of its members for the 122nd annual bird count.

The goal of the bird count is not only to calculate how many of which birds are where, but if there are any changes. Changes like non-appearance of certain birds which could mean that a bird species has moved to a new area or, in the worst case, become extinct.

While the results and post-count analyses of the 2021 Christmas Bird Count have not yet been finalized, results of previous years’ counts have.

And what past bird counts tell us is that almost all North American birds are under pressure by the changing climate to move northward. For example, in California the ranges of many bird species are now 200 miles north of their traditional habitats.

NOTE: There is a new international bird count in the works called the Great Backyard Bird Count. It is held later in the year.

What does this have to do with hot gardens?

Yellow finch on Sunflower

Depending upon how severe the changes are in your area, birds that formerly ate pesky or damaging insects may be long gone. New species may arrive in your neighborhood from further south, but they may have different diet needs. It may be that the newcomer birds are seed eaters or leaf-lovers like the Yellow Finch in this photo, rather than bug eaters.

For other birds the impact is more complex. As an example, take the Cactus Wren which makes its home in saguaros. In the Saguaro National Park, the saguaros are now “moving uphill”–growing at higher elevations on the hillsides. According to a SNP naturalist the saguaros will only grow within a specific elevation range and no higher. They are close to that maximum elevation now and their range has become much narrower. So as the older cactus die out at lower levels that means fewer homes for Cactus Wrens and less food for saguaro pollinators like the white wing dove and the long-tongued Mexican bat.

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So what’s a hot gardener to do?

Well, I’m not going to recommend that you build a bat-house in your back yard. (And–yes–there is such a thing as a bat-house as you can see in the photo on the left taken at the Tucson Mission Garden.)

New Year’s Resolution No. 1: feeding the birds

But hanging a bird feeder, especially if you live in a winter-snow part of the desert, and keeping it stocked can help birds in your area. Mourning doves, like the ones shown at the top of this post, have moved northward and definitely need food help surviving over winter.

Resolution No. 2: plant a large shrub or two

While almost every environmental group is recommending planting large trees to shade the earth, I think water-wise shrubs--large ones like Desert Willow (Chilopsis linearis) in its shrub form or a fast-growing Photinia (Photinia x fraseri)–provide better nest habitat and shelter from predators for birds as well as adding cooling shade to your hot dry garden.

For whatever it is worth, Mourning Doves have made a home in a Mexican yellow oleander (Cascabela thevetia) in my back yard for years as you can see in the photo at the top of this post. I don’t recommend planting a Thevetia, however, because it is highly toxic to humans, but the Mourning Doves don’t seem to mind. And I love to wake up in the morning to their calls.

So make planting a bird-friendly shrub one of your New Year’s Resolutions.

Resolution No. 3: keep tabs on what’s happening

Set up a free gardening blog/journal online and post something daily to keep track of how your garden is changing as the climate changes.

What to post? To make it easy, keep it short. So how about…
– a single flower photo
– a sentence or two about what is new in your garden
– notes of dates you installed plants or planted seeds
– a picture of your Little Free Plant Stand
– a photo of children playing in the garden or
– snow covering everything
If posting daily is too much for you, post weekly.

You will have to pick a name for your online journal/blog and I’d recommend that you include your location in that name. For example: CatherinesLasVegasGarden or SamGardensinSydney.

And keep this in mind: this online gardening blog/journal is primarily for yourself to help keep track of changes caused by climate change, so don’t be concerned about having or building followers. That can end up taking all your gardening time and then some! Interested people will eventually find what you are posting and enjoy it. Free blogs are available at WordPress.com and other sites.

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Read our 8 most popular newsletters

  1. Hot Days, White Nights, How Design a Moon Garden
  2. Australian Plants for a Desert Garden
  3. Cover up that naked wall
  4. Best and beautiful native shrubs for extreme heat
  5. Five fragrant plants for your garden
  6. Where to get free or cheap trees for your garden
  7. Four desert trees good for soil, 4 toxic ones
  8. Plants that bloom even in mid-summer scorching heat