California desert garden

Meyer Lemons: Why You Should Plant One

Arizona garden, California desert garden, Citrus, desert gardening, Fruit Trees, Houzz Article, Las Vegas gardening, Noelle Johnson Landscape Consulting, Southwest garden, Southwest Texas garden

One of the best things about having a garden in the desert southwest is our ability to grow citrus of all kinds. Lemon trees are a popular fruit tree and I am often asked what type of lemon do I recommend.

There are different types of lemons but the one that is my favorite isn’t a ‘true’ lemon tree at all. It’s a Meyer lemon, which is a cross between an orange tree and a lemon tree.

The result is a fruit that tastes sweeter than your typical lemon and has lovely thin, smooth skin. Meyer lemons are suitable for use in the same ways that other lemons are, but you can use them in additional ways as well due to their sweeter nature.

I recently shared the reasons why you should plant a Meyer lemons tree in one of my latest articles for Houzz.

Have you ever grown a Meyer lemons tree?

March is the Perfect Time for Planting a Meyer Lemon Tree

Succulents, More Than Just Drought Tolerant

Arizona garden, Cactus/Succulents, California desert garden, desert gardening, Drought Tolerant, Houzz Article, Landscape Problems, Las Vegas gardening, New Mexico garden, Succulent Gardening

In the past, succulent plants were valued primarily for their drought tolerance and found their way into gardens in arid regions. Today, while they are still a great choice for water-wise plants are wise, they offer many other benefits to outdoor spaces including adding colorful flowers and solving common garden problems.

Elk Horn (Cotyledon orbiculata)

I’ve written a series of articles for Houzz focusing on succulents and how you can add beauty to your garden with these versatile plants that will thrive in arid climates.

I hope you find inspiration through them and look at succulent plants in a new way.

10 Spectacular Flowering Succulents

How Succulents Can Solve Your Garden Problems

How do you like to use succulents in your garden?

Drought Tolerant and Beautiful: Anacacho Orchid

How to Protect Citrus Trees from a Heatwave

Arizona garden, California desert garden, Citrus, desert gardening, Irrigation, Landscape Problems, Las Vegas gardening, Southwest garden, Southwest Texas garden, Trees

Living in the desert southwest has its perks, I am blessed to be able to grow a variety of citrus trees in my garden and they do very well under most circumstances because I protect citrus trees during hot weather.

However, when temperatures outside of the average highs and lows occur, steps need to be taken to protect them. With this week’s record-breaking highs, my orange tree has been suffering as is evident from its sunburned leaves. So I thought, this is a great opportunity to talk about how to protect citrus trees from a heatwave.

Citrus tree covered with burlap in order to protect it from extreme heat and sun

1. Protect Citrus Trees Provide Temporary Shade

Sunburn isn’t just a human woe; it affects citrus trees too. The west and south-facing sides of citrus trees are susceptible to sunburn during a heatwave. This shows up as yellowing or browning on the leaves on those sides of the tree. Sunburn can also occur on immature citrus fruit, so it’s important to protect them.

Burlap is a Great Shade Cover for Trees

While spraying citrus trees with sunscreen isn’t an option, adding temporary shade is, especially for citrus trees facing south and west that are particularly vulnerable. Put a large piece of burlap over the tree, focusing on those south and west-facing exposures. Burlap is lightweight and inexpensive. It allows some sun to penetrate, which is important, without overwhelming the tree. You can purchase burlap at your big box store, nursery, or Amazon (affiliate link below).

Burlapper Burlap Garden Fabric (40″ x 15′, Natural)

Shade Cloth Protects Citrus Trees

Shade cloth is an adaptable guardian against sunburn. Whether draped over a scaffold or enlisted to shield neighboring plants, its sun-blocking power proves invaluable during heatwaves. You can easily use a bed sheet in place of burlap for temporary shade. Another option would be to place a shade tent/canopy to help block the sun’s westerly rays.

Shade cloth is very useful as a sun shield when placed on a scaffold or other support – it also works great to help protect other plants in your garden.

Protect citrus trees from a heat wave by watering regularly

2. Increase Irrigation and Water Early to Protect Citrus Trees

When temperatures soar above normal, citrus trees, like most plants, lose more water through their leaves. As a result, their regular watering schedule isn’t enough to meet their needs, so increase the frequency of watering as long as the heat wave lasts.

The Morning Watering Advantage for Citrus

Watering isn’t just about quantity; timing matters. When you water is vital as it is difficult for plants to uptake water in the middle of the day. This is because all of their resources are dedicated to enduring the stresses of the heat and it’s hard for them to divert those to uptake water. Water in the early morning, will allow them to build up a water reserve that will help them bolster their endurance throughout the day.

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Restoration after the Extreme Heat and Sun

When the heatwave subsides, it’s time to bid farewell to temporary shade. Remove the temporary shade in order to protect citrus trees for cooler conditions. As temperatures stabilize, return to your usual watering schedule. By implementing these two proven techniques, you’re empowering your citrus trees to defy the scorching grip of brutal summer temperatures and minimize any negative effects.

Beyond Heatwaves: Year-Round Trunk and Bark Care to Protect Citrus Trees

Remember, safeguarding citrus trees transcends seasons. Ensuring your trees’ trunks and bark receive proper sun protection is a year-long responsibility. Explore this previous blog post for insights on why and how to provide this vital shield.

Give Water Features New Life With Succulents

Arizona garden, Cactus/Succulents, California desert garden, desert gardening, Drought Tolerant, Fuss Free Plant, Garden Travels, Nevada garden, New Mexico garden, Southwest garden, Southwest Texas garden, Succulent Gardening

Echeveria and aloe planted in an old water fountain in Santa Barbara, CA.

Water features have long had a prominent spot in the landscape, where the both the beauty and sound of water help to create an enjoyable outdoor atmosphere.

However, water features can be high maintenance, messy to clean, and can be problematic in arid climates where water is a precious resource. Because of these reasons, it’s not unusual to see an empty water feature sitting empty without purpose.

In both my garden travels and work as a landscape consultant, I like to discover new uses for water features or ways to mimic the appearance of water, which succulents can fulfill beautifully.

A sink full of succulent plants spill out in the Barrio Garden section of the Tucson Botanical Gardens

Water features and succulents can add welcome interest, from simulating the movement of water with their shapes to taking the place of water in the basin.

Plumbing hardware can be used, along with succulents, to create an artistic arrangement in the garden such as these galvanized buckets and water pipes.

Succulents can also add a lovely planting around water features like the example above with lady’s slipper (Euphorbia macrocarpus), and it’s unique ‘Medusa-like’ growth habit adds an unexpected design element. It is important to keep succulents far enough away from getting any over splash from the water as they need dry soil to grow in.

Containers filled with succulents can make an attractive backdrop for a water feature as they are low-maintenance and their distinctive shapes add welcome texture.

Visit any nursery, and you’ll notice how popular succulents are, as they make up a larger percentage of the plants on display, tempting people to add them to their gardens.

So go ahead and give your water feature new life with succulents!

How Succulents Can Help Solve Common Garden Dilemmas

How Succulents Can Help Solve Common Garden Dilemmas

AZ Plant Lady, Cactus/Succulents, California desert garden, desert gardening, Drought Tolerant, Fuss Free Plant, Houzz Article, Landscape Problems, Southwest garden, Succulent Gardening

Taking photos of succulents in a hidden garden in California.

I have a love affair with succulents.

There are so many reasons for my passion, but the biggest reason is that they are easy to grow, and a low-maintenance way to add beauty to the garden.

The popularity of succulents is taking off and nursery shelves are filled with numerous varieties to tempt gardeners. Many people are beginning to replace high-maintenance plants with fuss-free succulents.

Sticks on Fire Euphorbia and Elephants Food

Succulents can also be a great choice for solving common gardening problems. For example, they make great container plants and require a fraction of the care that flowering annuals do.

I share my favorite ways to use succulents in the garden in my latest article for Houzz. I hope that you find inspiration for solving your garden problems by adding these lovely plants.

How Succulents Can Solve Your Garden Problems

Spring Cleaning in the Garden: How to Prune Shrubs

Arizona garden, AZ Plant Lady, California desert garden, desert gardening, Garden Video, Nevada garden, New Mexico garden, Pruning, Shrubs, Southwest garden, Southwest Texas garden

Globe Mallow (Sphaeralcea ambigua) before pruning

We had experienced a delightful spring with hot temperatures staying away for the most part. The weather has been so lovely that I’ve been spending a lot of time out in the garden. One garden task that has needed to get done is pruning back my winter/spring flowering shrubs.

What are winter/spring flowering shrubs you may ask? Well, they are those that flower primarily in late winter and on into spring. In the Southwest garden, they include cassia (Senna species), globe mallow (Sphaeralcea ambigua), and Valentine bush (Eremophila maculata).

The time to do this varies depending on the plant and the region you live in, but generally, you want to prune them back once flowering has finished.

I’ve decided to show you how I have pruned my cool-season shrubs and I find that using hedge trimmers make quick work of this job. Yes, I realize that I preach against using hedge trimmers for ‘poodling’ flowering shrubs into formal shapes, BUT they are very useful for corrective pruning for the health and beauty of your shrubs. I only use them ONCE a year.

Above, is a photo of my red globe mallow shrubs before I pruned them. They put on a beautiful show for several weeks, but have gone to seed, and they aren’t particularly attractive in this state.

Newly pruned globe mallow shrubs

This is what they look like after pruning. As you can see, they have been pruned back severely, which is needed to keep them attractive and stimulate attractive, new growth. Don’t worry, while they may look rather ugly, in a few weeks; they will be fully leafed out.

Valentine bush before pruning

Here is one of my Valentine (Eremophila maculata ‘Valentine’) shrubs. This is one of my favorite plants, and it adds priceless winter color to my garden. One of the things that I love about it is that it needs pruning once a year when the flowers have begun to fade.

Valentine bush after pruning

I prune mine back to approximately 2 feet tall and wide, but you could prune it back even further. This pruning is necessary to ensure a good amount of blooms for next year. Don’t prune it after this as you will decrease a number of flowers that will form later.

Finally, it was time to tackle pruning my feathery cassia shrubs (Senna artemisoides). I love the golden yellow flowers that appear in winter and last into early spring. They add a lovely fragrance to the garden as well. However, once flowering has finished, they produce seed pods that will turn brown and ugly if not pruned.

I’ve created a video to show you how to prune these shrubs. Unlike the others, I only prune them back by 1/2 their size.

*As you can see in the video, my grandson, Eric was having fun helping out in the garden.

That is all the pruning that these shrubs will receive, which will keep them both attractive and healthy.

It’s worth noting that hedge trimmers aren’t a bad tool to use – rather, the problem is when they are used incorrectly to prune flowering shrubs excessively throughout the year.

I hope that this post is helpful to you as you maintain your shrubs. If you’d like to learn more about pruning shrubs in the desert garden, I invite you to learn more about my popular online pruning workshop. I’ve helped countless people just like you learn how to maintain beautiful, flowering shrubs with pruning twice a year or less!

*What do you prune in mid-spring?

Ready to Prune? Here Are Common Pruning Terms Defined

An Attractive, Drought-Tolerant Hedge for Southwestern Gardens: Hop Bush

Arizona, Arizona garden, California, California desert garden, desert gardening, Las Vegas gardening, Shrubs, Southwest garden

Beautiful Hop Bush Shrub (Dodonaea viscosa)

I am always on the lookout for great examples of plants in the desert landscape. In my work as a landscape consultant, I drive through countless neighborhoods, which allows me to see lots of ideas.

A few years ago, I drove by a house that had a beautiful Hop Bush shrub (Dodonaea viscosa).

This evergreen, drought-tolerant shrub does wonderfully in our southwestern climate, and it is a frequent addition to landscapes I design.

It’s versatility is one of the reasons it is near the top of my favorite shrub list.

Hop Bush is a great substitute for Oleander shrubs.
They can grow up to 12 feet tall or be maintained at a shorter height – basically you can decide how large it gets.
Their height makes them a great choice to screen out an unattractive view in spaces where a tree won’t fit while providing shade for for windows.
Hop Bush can be allowed to grow into their natural shape or pruned more formally.

Native to the Southwest, Hop Bush is quite versatile and relatively fuss-free, especially if maintained by pruning every 6 months or so, as shown above. Here is another example of a hop bush shrub that has been pruned more formally, which it handles well.

Of course, you can always let it grow into its more natural form as a large shrub.

For more information on hop bush including what its flowers look like and why it’s becoming a popular substitute for oleanders, you can read my earlier blog post – “Drought Tolerant and Beautiful: Hopbush the Alternative to Oleanders.”

Purple Blooms for the Fall Garden

Arizona garden, California desert garden, desert gardening, Drought Tolerant, Fall Blooming Plants, Las Vegas gardening, Shrubs, Southwest garden

Fall in the garden is a time of celebration with plants enjoying the period after the heat of summer has bid goodbye and before the cold of winter arrives.

This time of year is filled colorful blooming plants decorating our outdoor spaces. In the past few weeks, the color purple has made its presence known in several gardens that I have visited recently.

If you love the color purple, here are some plants that you may want to include in your garden.

Black dalea(Dalea frutescens) saves its flowering for fall when violet flowers appear above its lacy foliage.

This Southwestern native is hardy to 15 degrees F. and does best in full sun. Black dalea is underused in the landscape and deserves to be used more.

Desert ruellia(Ruellia peninsularis) is a shrub that I use it often for my client’s designs. I love that it flowers throughout the year as well as its attractive foliage.

A native of Mexico, this shrub does best in full sun to partial shade and is hardy to zone 9 gardens.

Sometimes, parking lot medians can put on a spectacular show. This blue ranger(Leucophyllum zygophyllum) begins blooming in summer but saves its best flowering for fall.

The gray foliage adds nice color contrast in the garden. Hardy to 10 degrees, plant in full or reflected sun for maximum flowering.

One of the most beautiful purple blossoms belongs to the skyflower(Duranta erecta) shrub. Delicate purple flowers are arrayed on graceful arching stems.

Hardy to 20 degrees, skyflower blooms spring through fall.

Last week, while I was doing a landscape consultation, my attention was drawn to a beautiful blue potato bush (Lycianthies rantonnetti) blooming in the front yard.

The vibrant purple flowers contrasted beautifully with the bright green foliage. This shrub is hardy to zone 9 gardens.

Finally, let’s look at the generous blooms of purple trailing lantana(Lantana montevidensis). This lantana groundcover blooms spring through fall and needs very little care other than pruning once or twice a year.

Hardy to 20 degrees, this lantana grows in full sun or partial shade.

I hope that you have enjoyed this tour of purple autumn blooms.

What is flowering this fall in your garden?

Blooms in February

Spring Cleaning – Severe Renewal Pruning

Arizona garden, AZ Plant Lady, AZ Plant Lady Classes, California desert garden, desert gardening, Landscape Problems, Las Vegas gardening, Nevada garden, Pruning, Shrubs

My inbox has been filled lately with pruning questions. Specifically, how to prune back overgrown flowering shrubs.

Chihuahuan Sage (Leucophyllum laevigatum)

You may be wondering why you need to severely prune back overgrown shrubs?

Well, as you can see from the photo, above – as a shrub’s branches age, they produce fewer leaves and flowers. As time passes – these branches die, which leave ugly, bare areas.

Here are a few more examples of overgrown shrubs that need to be severely pruned back…

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

You may think the formally pruned sage shrubs in the photo above, look okay besides being a bit on the large side.

But, what you don’t see is a large amount of dead branches inside. In reality, these shrubs are covered in a very thin layer of growth.

Here is an example of old Cassia (Senna nemophila) shrubs that have only been pruned formally. You can see that there are more dead areas than live growth.

So, how do you go about severely pruning old, overgrown shrubs back?

First of all – don’t do this during cooler months because it will take your shrubs a very long time to grow back. In addition, it can make frost-tender shrubs more susceptible to frost damage. Wait until spring for pruning back summer-flowering shrubs such as bougainvillea, sage, oleanders, etc.

You need a good pair of loppers and sometimes a pruning saw and you are ready to go. Simply prune your shrub back until there is only about 1 – 2 ft left.

Hedge trimmers can help if you use them to remove the outer part of the shrub and then you can get your loppers inside to prune off larger branches toward the base.

Below, are photos of ‘Rio Bravo’ Sage (Leucophyllum langmaniae ‘Rio Bravo’) shrubs that started out overgrown, were pruned back severely, and grew back.

Overgrown shrubs.

Pruned back to 1 ft.

This is the ugly stage. But you need to go through this ‘awkward’ stage to achieve beautiful, healthy shrubs.

I promise that it doesn’t last long…

New growth appears 3 weeks later

8 weeks after pruning.

12 weeks after severe pruning.

You can see that the severe pruning caused the shrub to grow young, new branches that produce beautiful green growth and flowers.

**Although severe renewal pruning keeps your shrubs healthy and attractive – there are a few cases when an old, overgrown shrub won’t grow back. It is doubtful that the Cassia shrubs, above, will survive for long either with or without severe pruning).

This usually indicates that the shrub has declined too much and would not have survived for long even without pruning. If this happens, you are better off replacing your shrub.**

Hand pruners, pruning saw and loppers

A good guideline for severely pruning your shrubs is to do this every 3 years or so. Of course, you can do this every year if you like to help keep your shrubs from outgrowing their space.

I hope that this helps to answer some of your questions.

If you would like to learn more about how to prune shrubs the right way, I invite you to learn more about my popular online shrub pruning workshop.

Too Many Lemons? Freeze the Juice…

Arizona garden, California desert garden, Citrus, desert gardening, Fruit Trees

Every winter, we are the lucky recipients of a bounty of citrus from both family and neighbors.

My fruit bowls and pantry are full of blood oranges, grapefruit, and lemons.

Citrus generally ripens during the winter and the cold snap that we had last week had many people picking the citrus fruit from their trees so that the fruit wouldn’t be damaged by the frost.

The problem arises that either I have too many lemons in winter and none in the summer unless I want to spend a ridiculous amount of money on lemons.

So, what do you do?

Well, I juiced them a week ago and made “lemon ice-cubes.”

Then, I promptly forgot about them until I was searching in the freezer for the chicken to thaw out for dinner.

So, I took them out and put my lemon ice cubes into freezer bags.

have three freezer bags full of lemon ice cubes, which will last me through the coming year.

What do I use them for? Well, many of my favorite dinner recipes call for a tablespoon or two of lemon juice, and they are great for making ice tea.

You can also save the lemon zest, (just before you juice them), and freeze the zest too.

My kids love grapefruit (I don’t) and have been eating some for both breakfasts and a snack. They have also been taking the blood oranges to school in their lunch boxes.

My friend, Becky, from Tucson, made ‘Orange Peel Vinegar’ which she uses as a cleaner with her extra oranges.

What do you do with an overabundance of citrus?

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