Rocks in the Garden

landscape boulders

 When I say rocks in the garden, I mean large rocks….boulders to be exact.

landscape boulders

Boulders enhance the beauty of the plants surrounding them.

Lantana

I love how they look as they gradually become surrounded by a flowering groundcover such as Lantana or Verbena.

Agave

Succulents such as Agave always look great when placed next to a boulder.

newly planted landscape

Boulders are strategically placed in this newly planted landscape.  Note the agave and Angelita Daisy planted by the two large boulders.

Boulders actually look great when placed together and I often place them together when designing a landscape.

landscape boulders

I visited this landscape installation with a friend of mine that was in progress a few years ago.  I really like how the designer placed boulders around and in the swimming pool.

landscape

Some useful to keep in mind when using boulders in your landscape:

– Bury them so that the bottom third is in the ground.  This helps to make their placement appear more natural.  DO NOT just place a boulder on top of the soil and leave it.

– For larger plants such as shrubs or trees, be sure to select larger boulders – 2′ x 3′ x3′ at the very least.  If you- Don’t worry if the boulders look too large at first before you install them.  I remember receiving a call from my mother-in-law the day the boulders were delivered for the landscape that I had designed for them.  She said that they were way too large.  But, you need to take into account that you will be burying 1/3 of the total height of the boulder and they will look just the right size once in the ground.

– Boulders look great when incorporated in mounding (contouring).  I usually place the boulder just inside of the edge of a mound, making sure that you fill in the area around it.

– Boulders can also be placed in brick or concrete boulders, which adds interest.

– You can select your own boulders, which I recommend before buying.  Don’t be tempted to purchase smaller boulders…they can get lost in the landscape.

– Don’t worry if the boulders look too large at first before you install them.  I remember receiving a call from my mother-in-law the day the boulders were delivered for the landscape that I had designed for them.  She said that they were way too large.  But, you need to take into account that you will be burying 1/3 of the total height of the boulder and they will look just the right size once in the ground.

landscape boulders

I love the boulders in this newly installed landscape.  There is a variety of shapes and sizes that add texture.  The plants are quite small in comparison, but they will grow larger.

If you are going to include boulders in your landscape, please plant something next to them.  Plants make the boulders look great and vice-versa.  Some of my favorite plants to include next to boulders include:

Penstemon

Lantana

Angelita Daisy 

Blackfoot Daisy

Gaura

Salvia species

Dalea species

Agave

Dasylirion species

Barrel Cactus

Mammillaria species

Lastly, boulders look wonderful in the landscape and guess what my favorite part is?   They don’t need any pruning or water to look great…the ultimate in having a beautiful low-maintenance garden.

Red Globe Mallow Seeds

The Good…The Bad….And The Ugly

Well, here is the post that I have been promising you all winter long.  Are you ready to begin spring pruning?  Okay, let’s get started…..

Those of you who have read my blog for any length of time have come to learn that I absolutely abhor formal pruning of flowering shrubs.  I have posted about it twice and you can read more – Shrubs Aren’t Meant To Be Cupcakes and Read The Label Or You Might End Up With Cupcakes if you like.

First, we will start with the Bad (and ugly) – I am warning you, the following photos are not pretty.  They show the results of formal pruning over time.

Feathery Cassia

Feathery Cassia (Senna artemisiodes) Dead areas are a result of repeated shearing of the shrubs. 

Texas Sage

Texas Sage, sheared repeatedly, resulting in more dead then live wood.

Texas Sage 'Green Cloud'

Texas Sage ‘Green Cloud’ (Leucophyllum frutescens ‘Green Cloud’) Over the years, this flowering shrub had been sheared resulting in dead growth.

The following photos are not necessarily ugly but are examples of formal pruning that leads to the problems pictured above over time as well as higher maintenance.

White Texas Sage shrubs

 White Texas Sage shrubs, pruned as cupcakes.

Chihuahuan Sage

Chihuahuan Sage (Leucophyllum laevigatum) formally pruned and rapidly outgrowing its space.

Dwarf Oleanders

Dwarf Oleanders (Nerium oleander)

As I have mentioned before, I am not against formal pruning when it is done to plants that specially suited to it such as Dwarf Myrtle, Boxwood, and others.  However, formal pruning of flowering shrubs shouldn’t be done for many reasons, including:

– It removes the flower buds, severely curtailing the number of flowers that bloom.

– Causes the shrub to constantly work to replace the leaves that were removed, which causes stress to the shrub and ultimately shortens it’s life.

– Increases the maintenance required because of frequent pruning, which means more material is hauled off to the landfill as well as a higher landscape bill.

– Over time, repeated shearing causes branches to die off due to lack of sunlight reaching the interior of the shrub.

– The shrubs requires more water because it is constantly having to regrow what was removed.

– And lastly, creates a generic looking ‘blob’ in the landscape where a beautifully shaped and flowering shrub should be.

Okay, now some of you may have shrubs that look like some of these.  But, don’t worry…there is hope and the solution is really quite simple. What they need is to be severely pruned back.  This type of pruning is called “Severe Renewal Pruning.”

Now, I do need to warn you…many of us are familiar with the concept that beauty comes at a price.  Well, there is a price to be paid in order for shrubs to look their best and show off their stuff and it requires an Ugly stage. 

  WARNING…the following photos are not pretty.

spring pruning

Severely pruned Texas Sage in spring

spring pruning

Severely pruned Dwarf Oleander

Okay, I warned you….but this is what you want your shrubs to look like after you are done pruning.  I realize that all that is left are bare branches sticking up from the ground…BUT THIS IS GOOD!

Severe pruning like this removes old wood, which become unproductive over the years and does not produce as many leaves or flowers.  It also stimulates new growth in the form of new branches that will produce more leaves and flowers.  It also keeps the size of the shrub in check by reducing the size periodically and decreasing the amount of pruning needed later on.  

Now, this type of pruning does not need to be done each year…I actually recommend doing this every 3 years or so.  

spring pruning

Texas Sage 4 weeks after pruning

I won’t lie and say that the ugly stage disappears right away, but in 4 – 8 weeks, you will rewarded with new growth that will rapidly cover the bare branches.

**There is a chance that your shrubs will not recover from severe pruning.  However, that is usually an indicator that they would not have survived for long if you had done nothing.  So, you really have nothing to lose and everything to gain by pruning your plants this way every few years – you may easily add years on to the life of your shrub and dramatically increase their health and beauty.

Okay, I have covered the bad and ugly.  Now for the good and beautiful…

spring pruning

Texas Sage ‘Green Cloud’ (Leucophyllum frutescens ‘Green Cloud’)

spring pruning

Desert Senna (Senna artemisiodes sturtii)

spring pruning

‘Rio Bravo’ Sage flower

White Cloud' Texas Sage Flower

‘White Cloud’ Texas Sage Flower

These beautiful photos should be reason enough to stop formally pruning your flowering shrubs.  So, put down your hedge pruners.  All you will need in the future are hand-pruners and loppers.

You may be wondering when should I prune my flowering shrubs?  Well, Texas Sage and all Leucophyllum species can be severely pruned back in March as well as Oleanders.  I do not recommend pruning them back severely in the summer months as they may not be able to grow back while dealing with the stress of the heat.  Alternatively, do not prune in the fall or winter as you will have naked branches for a long, long time and new growth that does appear will be very susceptible to frost.

Cassia species should be pruned back once they have finished flowering, which is usually in late spring. 

When it comes to pruning, a good rule of thumb is to prune less frequently, but when you do, prune back more severely.

A Container Garden in the Midst of “The Refuge”

Container Garden

Primula

I would like to take you on a visit back to “The Refuge”, which is the home of my younger sister, (Daisy Mom), and her family.  In the past, we have seen the beautiful scenery surrounding their home and who can forget our visit with Mr. Compost.

Container Garden

From left to right – Barrel Cactus, Tomato, Lantana, Fern, Spiky Succulent, Avocado (grown from an Avocado pit), Fern, Pine Tree Sapling, Vinca and another Fern.

Composting, is as you might expect, Mr. Compost’s domain and the vegetable garden is Mr. Green Jean’s.  However, Daisy Mom, reigns supreme over her container garden.

Each time we go over and visit, I just have to step out onto the patio to see what she has growing.  It is always a bright spot of many different and colorful plants, even in the middle of January, when the above photo was taken.  

Container Garden

In the summer, the flowers are all in full bloom and the garden is a favorite cool spot to sit and enjoy being outdoors. 

Rosemary, Avocado and Cactus

Rosemary, Avocado and Cactus

Succulents, herbs, small trees and flowering plants make up her container garden.  You never know what you will find…I mean, who would have thought to plant an avocado pit, instead of throwing it away?  My sister, that’s who :^)

Container Garden

Mr. Green Jeans, helping his mom plant some new flowers.

Occasionally, Mr. Green Jeans, my nephew and resident “Refuge” photographer, can be found taking a break from his vegetable garden and helping his mom plant some new things in her garden.

Yellow Primula.

Yellow Primula.

As you can see from Daisy Mom’s container garden, you don’t have to have a lot of space to create your own container garden.  So, go down to your local nursery, but a few pots, some flowering plants, vegetables or a succulent or two and a bag of potting soil and get started.  

Vinca

Vinca

That is all you need to do to start your own container garden and the beauty of it is is that you can keep building upon it.

Even better, you can ask for some cuttings or seeds from your friends gardens and start them in your garden as well.

Before you know it, you can have a vibrant, beautiful container garden just like Daisy Mom.

Our next post from “The Refuge” will introduce us to Mr. Green Jean’s vegetable garden and you will also get to meet all the residents of “The Refuge” as well. 

Living Green in the Desert Garden

Community Center landscape

 Community Center landscape which I was honored to have designed along with renown landscape architect, Carl Johnson.

This past weekend, I participated in a landscape discussion panel as part of a “Living Green in the Desert” seminar.  Attendees were able to submit their questions ahead of time as well as ask their questions directly to us.

Golf Course

Golf Course Feature Area with Bougainvillea, Gold Lantana and Purple Lilac Vine grown as a groundcover (2002).

I was looking forward to being a part of this seminar because I had worked in this community for over 5 years as a horticulturist.  So I arrived early and drove around the community and golf course areas looking at the areas that I had designed and planted over 7 years ago.

Golf Course

Plants that I had set out ready for the crew to come and plant (2005).

I look at the landscape areas as old friends.  Of course, as living things often do, many had changed.  Some areas had matured and the small plants that I had set out had matured into beautiful specimen plants.  Other areas looked a little bare since flowering perennials had not been replaced, but the areas were well-maintained.

Desert Marigold

Desert Marigold, Firecracker Penstemon, Eremophila Valentine and Desert Spoon were planted in this feature area (2002).

There were 3 of us on the desert landscape panel.  Although I knew one of the other participants, I always enjoy the instant camaraderie that occurs between fellow landscape professionals.

We had three different landscape sessions and the focus was on ‘living green’ in the desert landscape but all gardening questions were welcomed. 

Living Green in the Desert Garden

This feature area consists of only succulents such as Soaptree Yucca, Purple Prickly Pear, Desert Spoon, Opuntia robusta, Agave colorata among others.  There is no regular irrigation in this area.  We hand-watered the cactus monthly during the first two summers until they were established.

There were some excellent questions, and I will highlight the most popular ones.

Question #1- When and how do we prune our shrubs.  Are they supposed to look like ‘balls’?

There is an epidemic in the Arizona desert where desert shrubs are pruned into round ball shapes, or as we in the landscape industry refer to as “poodle or cupcake” pruning.  Those of you who have been reading my blog for awhile have seen me get up on my “high-horse” more then once, and rail against this practice.  I will not repeat myself here, but you can read my previous post where I dealt with this unfortunate practice – Shrubs Aren’t Meant To Be Cupcakes. 

Living Green

This was my favorite part of my job; designing new landscapes and seeing it all come together.   Although the plants are very small when first planted, they grow very quickly in our climate.

Question #2 – When should I fertilize my plants?

Actually, most of your arid-adapted plants do not need to be fertilized.  I only fertilize my plants if they show signs of a nutrient deficiency.  We do fertilize our container plantings and fruit trees.  Compost can be applied to all plants as this ‘feeds’ the soil.

Living Green

Purple Trailing Lantana, Mexican Bird-of-Paradise, Parry’s Penstemon, Desert Spoon and Angelita Daisy brighten the entrance to the clubhouse (2005).

Question #3 – Is it possible to have plants in my landscape that do not require any water?

 The answer is yes you can if you use native plants.  But, you will have to water them until they become established.  Keep in mind that all native plants will look much better when watered periodically.  That is what is done to the plants at the Desert Botanical Garden. 

For excellent guidelines as to how long and often you should water your plants, please check out this excellent site, which has information about irrigating your plants in the Arizona desert, including a schedule you can put in your irrigation controller – Landscape Watering Guide

Living Green

The native plants were watered in this area monthly until they were established.  Periodic water was supplied during the summer months (2005).

Question #4 – Is it possible to have a winter landscape with flowering plants?

The answer is absolutely! Many residents of this community are winter visitors and are away in the summer when most plants are flowering.   You can read more in a previous post of what types of plants flower during the winter months – Colorless Winter Garden…No Way! 

Living Green

This area was planted with Eremophila Valentine and Cassia shrubs.

Question #5 – How often do I need to water my citrus trees?  They are currently being watered twice a week. 

When I am asked to consult with a homeowner regarding their landscape, over 90% are watering their citrus too frequently and not deeply enough.  For example, in the winter months, citrus trees should only be watered once every 3 – 4 weeks.  Many were shocked.  I will cover citrus irrigation in more detail in the future, but there is excellent information which can be found here – Citrus Irrigation Guidelines.

Living Green

One of my favorite views from the golf course.

I had a wonderful day and enjoyed seeing old friends and meeting new ones.  I was able to spend the day doing one of my most favorite things –  help people learn how easy it is to have a beautiful, low-maintenance garden in the desert using plants that thrive in our climate.

Gardening in the desert is not difficult, it is just different….

Want Some Grass ? Try This One….

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type of grass

Okay, you were probably thinking that I meant the ‘other’ type of grass.  But the type of grass I am referring to cannot be smoked, (at least I don’t think it can).  ‘Regal Mist’ (Muhlenbergia capillaris ‘Regal Mist’), is a beautiful ornamental grass to include in your landscape.  It is low-maintenance, thrives almost anywhere and has stunning burgundy foliage in late summer and early fall.

type of grass

USES:  This Texas native looks best when planted in groups of at least 3, but I think groups of 5 or 7 are better.  This ornamental grass grows to approximately 3 ft. High and wide.  However, when flowering, add 1 – 2 ft. to their total height.  They can be planted in full sun, areas with reflected heat and even in areas with partial shade.  

type of grass

This ornamental grass is tolerant of most soils.  Regal Mist is a great choice for planting around pools, boulders and in front of walls.  I have planted them around golf courses, and many people would ask me, “What is that plant?  It is beautiful.”  It is evergreen in areas with mild winters, but it is hardy to -10 degrees F (Zone 6).  Frost will turn them light tan in color. 

Regal Mist

 Regal Mist when not in flower

MAINTENANCE:  You can hardly get more low-maintenance then this – prune back severely in the winter, almost to the ground, to remove old foliage and spent flowers.  I do not fertilize Regal Mist, and they look just great.  Although drought tolerant once established, supplemental water is necessary for them is needed for them to look their best and to flower.  Self-seeding is not usually a problem when they are irrigated with drip-irrigation.

type of grass

So, for those of you who are frequently asking me for a beautiful, low-maintenance plant – this is it.  Include a few in your garden, and I promise you will have people asking you, “What is that beautiful grass?”

Skeletons in the Desert

Can You Over Water Your Plants in the Desert ?

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As most would expect, water is considered a precious resource in the desert. But, did you know that there are more plant problems caused due to over-watering then under-watering?  

Believe it or not, it is true. Most people are surprised to hear that up to 70% of residential water usage goes to watering trees and plants in your landscape. This high percentage is because many homeowners over-water their trees and plants.

over watering

 Beavertail Prickly Pear (Opuntia basilaris) and Globe Mallow (Sphaeralcea ambigua

During college, I was fortunate to intern at the City of Mesa Water Conservation Office. The lessons that I learned there would last a lifetime. Nowadays, when I visit clients to help them with their landscapes, over 90% of the time I find that their irrigation schedule is incorrect – they water too lightly and too often.  

This results in shallow roots and salt build-up in and around the root zone. (If you have seen a white substance around your plants, there is a good chance that it is the salts from the soil. And just an FYI – just like high amounts of salt are not good for us; they are not good for plants either).

Overwatering will weaken your plants, especially during the summer since their roots are close to the surface where they become hot and dry out much more quickly.

over watering

 Trailing Yellow Dot (Wedelia trilobata), Rain Lily (Zephyranthes candida), Desert Spoon (Dasylirion wheeleri)

It’s important to note that plants need to be watered deeply, which does two things. First, it causes the roots to grow deeper into the soil, where it is cooler and stays moister longer. Secondly, it helps to reduce the salts in the soil and keeps them away from the root zone.

Your plants do not need the same amount of irrigation all year. Plants follow the weather- the hotter it is, the more water they need and when temperatures dip, the less that they need.  For example, I water my garden once every 20 days in the winter, (excluding grass and annuals), and it is healthy and looks great.  If you only take one thing from this article, then please let it be this; CHANGE THE WATERING SCHEDULE ON YOUR IRRIGATION CONTROLLER SEASONALLY. 

over watering

Now, you are probably asking “How do I know what schedule my plants and lawn should be on?”  Well, the folks at Water Use It Wisely is coming to your rescue. They have excellent information for the homeowner on the proper irrigation schedule for your plants. You can view it here:  Landscape Watering Guide.   

This guide was made for people who reside in the Phoenix metropolitan area. However, people who live in dry climates everywhere will find useful information regarding irrigation, and you can also contact your local extension office for locally published materials. **Most cities have information for their residents regarding watering schedules for their local climate. You can also contact your local cooperative extension office who often have this information as well. 

If you find that you have been over-watering your plants, make sure that when you switch to the correct irrigation schedule, that you gradually change the schedule so that your plants have a chance to adjust. 

over watering

Make sure you have the correct irrigation schedule which lets you have healthier plants, a lower water bill, and helps conserve water.

**For those of you not familiar with drip irrigation. The primary way the southwest waters their plants. Water is brought to the plant by a series of plastic pipes, tubing & emitters. The emitters drip water slowly to the root zone of the plant, reducing runoff and allowing the water to permeate deeply into the soil, which saves water.

What Plant Where? Beautiful Plant Combinations

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Discover Stunning Plant Combinations

Do you ever wonder what plants look good together?  Below are pictures of some of my favorite plant combinations along with some general guidelines that I follow when designing a garden. Keep in mind that planting similar plants together which require similar water needs makes it easier to maintain a landscape.

plant combinations

Color Harmony in Plant Combinations

Sometimes red and pink colors always complement each other. Introducing yellow flowering plants provide a high color contrast that brings out the red and pink colors.  Above is a golf course landscape that I planted with Valentine shrub (Eremophila ‘Valentine’), Parry’s penstemon (Penstemon parryi) and desert marigold (Baileya multiradiata) against the backdrop of foothill palo verde trees.

plant combinations

 Parry’s agave (Agave parryi) with purple trailing lantana (Lantana montevidensis)

Succulent and Perennial Pairings

Also, succulents paired with perennials almost always complement each other with their contrasting shades of green and textures.  Other recommended succulent and perennial pairings include desert spoon (Dasylirion wheeleri) alongside black dalea (Dalea frutescens), prickly pear species with penstemon or try octopus agave (Agave vilmoriniana) with purple or white trailing lantana.

plant combinations

 Autumn Sage (Salvia greggii ‘Red’)

Emphasizing Colors with a White Flower Contrast

plant combinations

 Blackfoot Daisy (Melampodium leucanthum)

I use plants with white flowers as a backdrop for plants with red, pink and purple flowers; I like the way the white flowers emphasize the other colors.

Using the Color Wheel for Plant Combinations

plant combinations

 ‘Rio Bravo’ Sage (Leucophyllum langmaniae) & Red Bird-of-Paradise (Caesalpinia pulcherrima)

Most of the time the pairing of purple flowering plants with those that have orange flowers always looks great.  When deciding what colors look good when paired together, it helps to look at a color wheel. In general, the colors that are opposite each other look great when paired together because their colors contrast so well. Other orange, purple plant combinations to try are cape honeysuckle (Tecomaria capensis) with (Leucophyllum species), or Mexican honeysuckle (Justicia spicigera) with purple lantana. 

The Power of Yellow Flowering Plants

plant combinations

 Angelita daisy (Tetraneuris acaulis) and parry’s penstemon (Penstemon parryi)

Also, I believe that any garden looks better with some yellow flowering plants.  As I mentioned earlier, the color yellow makes the other plants look better, (think of the color wheel).   I have had clients that have said they do not like yellow until I show them how much better their other plants look when we introduce just a few yellow flowering plants to their landscape and they quickly change their mind.

Yellow Bells

 Yellow Bells (Tecoma stans stans)

Large Shrub Plant Combinations

Bougainvillea 'Barbara Karst'

 Bougainvillea ‘Barbara Karst’

I often recommend the following for those who are looking for large shrub combinations. Okay, I realize that many people either love or hate bougainvillea. Personally, I love them.  I have two bougainvillea and since I don’t have a swimming pool, so I am not bothered by their litter. Their beautiful and vibrant colors are amazing.

Timing Matters in Plant Pairings

I pair my bougainvillea with yellow bell shrubs.  Their colors contrast nicely, and they screen out the back wall of my garden. I give them plenty of room to grow, and they produce beautiful flowers spring through fall. If you do have a swimming pool and don’t like bougainvillea, how about trying orange jubilee (Tecoma hybrid ‘Orange Jubilee’) and Texas Sage (Leucophyllum frutescens) together?

Weber's agave

 Weber’s agave (Agave weberi) and purple trailing lantana

I have just one more tip – if you want to pair flowering plants together to enjoy the contrasting colors, make sure that they bloom at the same time of year. It is so easy to visit the plant nursery and see the pretty photos of flowers on the different plants and pick what ones you think will look great together only to discover later that one flower in the fall while the other blooms in spring and so you never see their flowers at the same time.

So, visit your local nursery and try some of the suggested plant combinations or see what beautiful plant pairings you come up with for your garden.

Firecracker Penstemon: Orange-Red Spikes of Color

I got asked, what my favorite plant is. 

Well, asking a horticulturist to tell you what her favorite plant is, is rather like asking a mother to tell you who her favorite child is – it’s impossible.

But when pressed, I breakdown and admit to liking one particular plant slightly more than all the others.

Firecracker Penstemon

Firecracker Penstemon (Penstemon eatonii) is my favorite plant.  There is so much to love about this beautiful perennial; it is hard to know where to start…. reddish-orange flowers, it attracts hummingbirds, blooms winter through spring, is low-maintenance, drought tolerant and native to the desert.  

Need I say more?  Well then, I will……

This particular penstemon species can be found growing in the Southwestern United States.  Heat and cold don’t bother it.  It can grow in 100+ temperatures and is hardy to -20 degrees F.  

Beautiful orange/red flowers bloom in the winter and spring.  Grown easily from seed, Firecracker Penstemon reaches a mature size of approximately 2′ x 2′ when in flower. 

Firecracker Penstemon

Firecracker penstemon is a welcome asset to the desert flower garden.  Plant in full sun and keep away from the shade as they will grow leggy from lack of sunlight.  I particularly like the way they look when planted singly next to boulders.  They also look spectacular in bloom when planted in groups of three.  

Place alongside other plants that are either yellow or white which will contrast nicely with the orange/red color of this Penstemon’s blooms.  Recommended companion plants include damianita, blackfoot daisy, prickly pear cactus,  brittlebush, agave, angelita daisy, and desert marigold.  

For maximum hummingbird viewing, be sure to plant firecracker penstemon where you will be able to see the hummingbirds feeding.

MAINTENANCE: This perennial is low-maintenance.  The primary requirement is the removal of spent flower stalks, which will often promote additional flowering.  Firecracker penstemon is drought tolerant when established, but will require regular irrigation to look their best.  At the minimum, supplemental water will be needed in the summer months.  Older plants can be-be cut back to remove old, woody growth.  NO fertilizer is required.

Now you know why firecracker penstemon is my favorite plant!  I encourage you to try this beautiful plant in your zone 5 – 10 garden.  I am sure you will love it as much as I do.

Why Do Cactus Have Spines ?

Fall is Here! Time to Start Planting!

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The time has finally arrived!  Summer temperatures are but a memory and fall is here! 

Every year we wait for the end of summer so we can start adding plants in the garden. The only question is what plants will I add?

The possibilities are endless…    

add new plants

 Purple Lilac Vine (Hardenbergia violaceae)

The signs that fall in the desert may not be as evident as in other parts of the county, yet they are here.  Elongating shadows, cooler evening temperatures along with increased plant growth and flowering are clear signs that the heat of summer is fading and cooler temperatures are on their way.

add new plants

 Blackfoot Daisy  (Melampodium leucanthum)

October and November are the best months in which to plant most types of plants in the desert.  The reason for this is that plants use the cooler weather in which to grow a healthy root system so that by the time that the summer arrives, they are ready to handle the stress of the intense heat.

add new plants

 Parry’s Penstemon  (Penstemon parryi)

Most trees, shrubs, perennials, and succulents can be planted now.  Stay away from planting palms, bougainvillea, lantana and other plants that suffer frost damage during the winter months.  They do best when planted in the spring.

add new plants

 Chaparral Sage   (Salvia clevelandii)

As in all climates, be sure to plant correctly.  Dig a hole three times as wide as the root ball but no more profound than the root ball.  This will allow the roots to grow outwards more quickly.  

When growing native plants, you do not need to add any amendments to the hole as this can cause the roots to just stay in place, enjoying the nutrient-rich soil, instead of venturing out into the regular soil.  If you do decide to add amendments to the soil, be sure to incorporate them well with the existing soil.   

Newly installed plants will initially require more water than established plants, so be sure to adjust your watering schedule accordingly.

Bower Vine

 Bower Vine (Pandorea jasminoides)

So visit your local nursery and get planting! 

Fall Planting: How to Select Plants

Drought Tolerant and Beautiful: Globe Mallow

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drought tolerant

Globe mallow (Sphaeralcea ambigua) brings a unique “cottage-garden” feel to the desert plant palette along with some surprises. In spring a flush of beautiful flowers are produced that will cause people to stop in their tracks. After that, globe mallow will bloom off and on throughout the summer and fall.  

This shrubby, perennial is native to the Southwestern areas of North America where it is found growing along washes and rocky slopes. They grow quickly and reach approximately 3 ft. X 3 ft. in size. Globe mallow is cold hardy to about 20 degrees F.

drought tolerant

Drought tolerant

Although most globe mallow plants produce orange flowers, they are available in other colors including pink, purple, white, red and shades in between. At the nursery, you will usually see the orange flowered variety available. However, some growers are beginning to stock selections of globe mallow in different colors. But buyer beware; unless specially marked or blooming, you don’t know exactly what color flower you will end up with make sure if you want a certain color to check for mark.  

Often, the surprise occurs after you plant them and wait to see what color the flowers will be. I bought four globe mallow, out of bloom, for my garden and ended up with one red, two pink and one white. For those who do not like surprises in the garden, you can wait and buy them in bloom in the spring.

drought tolerant

USES: Globe mallow attracts hummingbirds as well as butterflies. They serve as a colorful backdrop for small perennials or small cacti. Consider planting with any of the following plants for a colorful desert flower garden – penstemon, desert marigold, ruellia, and blackfoot daisy. This beautiful but tough plant does best in full sun and performs well in areas with hot, reflected heat. Do not plant in shady areas as this will cause them to grow leggy.

Globe mallow do self-seed, and the seedlings can be moved and transplanted in the fall if desired. They are used frequently for re-vegetation purposes because they grow readily from seed.

Globe Mallow

MAINTENANCE: This pretty perennial is very low-maintenance.  No fertilizer or amendments to the soil are required. Prune once a year to approximately 6 inches to 1 ft. after it has finished blooming in late spring/early summer, which will help to prevent them from self-seeding, maximize future blooming and minimize unproductive, woody growth. Globe mallow is not the type of plant to repeatedly shear into a formal shape. When pruning, wear gloves and long sleeves since the tiny hairs on the leaves can be irritating to some as well as an eye irritant.

Once established, globe mallow is quite drought-tolerant, but will require supplemental irrigation for the best appearance and flowering. My globe mallow plants are connected to my drip-irrigation system and do very well when watered three to four times a month, spring through fall.

Globe Mallow

ADDITIONAL FACTS: Historically, globe mallow were used by Native Americans for medicinal purposes such as treating diarrhea, sore throats, eye diseases as well as skin disorders. Their roots were used for upset stomachs and poultices were made for treating swollen joints and broken bones.

*Have you ever grown globe mallow?

Fall is Here! Time to Start Planting!