A Lilac for the Desert? Another Great Lesser-Known Plant to Try

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Purple lilac vine in the garden

Purple lilac vine

Discovering the Beauty of the Purple Lilac Vine (Hardenbergia violacea)

In the midst of a colorless winter garden, a burst of vibrant beauty can be a delightful surprise. Explore the wonders of this wonderful purple vine, a lesser-known gem that thrives in the desert garden.

Embracing the Lilac Vine’s Versatility

Welcome to the world of the purple lilac vine (Hardenbergia violacea), an Australian native cherished for its unique charm. While it’s not a true lilac, it serves as a wonderful substitute in regions like the low desert where traditional lilacs struggle to grow. Regular irrigation is important.

A Versatile Beauty

This versatile vine can be employed in various ways in your desert southwest garden. Traditionally used as a vine, it can also shine as a ground cover, as my experience from over 20 years ago demonstrated. Its adaptability is one of its key strengths.

Blooming in the Heart of Winter

One of the most remarkable attributes of the lilac vine is its winter bloom. In zone 9 gardens, February brings forth a profusion of gorgeous purple flowers, adding a touch of elegance when little else is in bloom.

Purple lilac vine in full bloom

Isn’t it beautiful?

This Australian native is known by different common names with lilac vine (Hardenbergia violacea) being commonly used in our area of the Southwest.

It is not actually a lilac, but because we cannot grow lilacs in the low desert, this is a wonderful substitute.

Purple lilac vine flowers up close

My first experience using Purple Lilac was over 20 years ago when I used it in a feature area on one of the golf courses I worked for.

Although traditionally used as a vine, I used it as a ground cover; believe it or not, it did beautifully.

One of the best attributes of this vine is that it blooms during the winter month of February in our zone 9 gardens.

Now be honest, there is not much going on in your garden in winter, is there? Wouldn’t it be great to have gorgeous purple flowers blooming when little else is?

Purple lilac vine on a fence

Reasons to Welcome this Winter Vine

Here are more reasons to consider introducing this lovely vine into your garden:

  • Winter Blossoms: Brighten up your garden during the colder months.
  • Year-Round Attractiveness: Even when not in bloom, the vine boasts appealing foliage.
  • Low Maintenance: Minimal care required; occasional pruning for size control and little need for supplemental fertilizer.
  • Vertical Growth: It thrives when provided with a trellis or support structure.
  • Ideal Placement: East or south-facing areas are especially suitable for this vine.
  • Hardiness: Hardy to USDA Zone 9, it withstands typical winter temperatures but may suffer frost damage in the upper 20s°F.

Under normal winter temperatures, it doesn’t suffer frost damage.

Purple Lilac Vine Has Useful Appeal

The vine isn’t just about looks. It can serve as a decorative asset, transforming bare walls and concealing unattractive views with its lush foliage and vibrant blooms.

Purple lilac vine leaf view

When people ask me if I recommend a particular plant, I tell them that the highest recommendation that I can give is is if I have that plant growing in my garden.

I do not have the patience to grow a plant that struggles and/or takes too much maintenance.  It also has to look beautiful most of the year.

So if you ask me if I truly like this vine, I answer by saying that I have four growing in my backyard 🙂

Sourcing Your Purple Lilac Vine

While some may struggle to find this vine in local nurseries, fret not. Most nurseries typically stock them when they’re in full flower during the winter. It’s important to note that while the flowers resemble lilacs, they may not be strongly fragrant. However, their sheer beauty makes up for any lack of fragrance.

Discover the magic of this wonderful vine and infuse your winter garden with a burst of captivating color and charm. Happy gardening!

  

purple lilac vine at the garden center

A Stroll Through a Flowering Winter’s Garden

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winter garden views in Phoenix

Embracing the Beauty of a Winter Garden

Cultivating Year-Round Blooms in the Desert


Winter Garden Wonders: Did you know that you can have plants blooming in your landscape every month of the year? In the desert garden, this is definitely true!

One of the most popular programs that I teach at the Desert Botanical Garden in Phoenix is ‘Flowering All Year’. During the presentation, I teach students how to incorporate plants in their gardens so they can enjoy colorful blooms all year long.

A Winter Wonderland of Desert Blooms

Sadly, many desert dwellers miss this opportunity. Drive down a typical neighborhood street in winter, and you will have a hard time finding plants in bloom except for colorful annual flowers. As you’ll note, the focus in our gardens is typically on plants that flower through the warm season.

So, how can we change that? It’s quite simple – add plants that will flower in winter. Believe it or not, there are quite a few plants that fit the bill. 

I invite you to come along with me on a virtual tour of the plants I showed to the students in the class as we walked through the winter garden in mid-February.

*Before we embark on our walk, I have a confession to make. Usually, I arrive early before my classes to see what’s in bloom so I can plan our route. But, my daughter’s bus arrived late that morning, so I was running a bit late. As a result, I didn’t know what we would see. Thankfully, there was plenty to see.

Purple Lilac Vine (Hardenbergia violaceae) winter garden

Purple Lilac Vine (Hardenbergia violaceae)

Plants for Cool-Season Winter Garden Color

Let’s start by discovering some of the remarkable plants that grace the winter garden with their presence:

1. Purple Lilac Vine (Hardenbergia violaceae)

The vibrant, blooms of purple lilac vine never disappoint. Blooms appear in mid-winter, adding a welcome relief to colorless winter landscapes. Here it is planted in a tall raised bed and allowed to trail downward. In my garden, it grows up against a wall with a trellis for support.

Whale's Tongue Agave and Mexican Honeysuckle underneath an Ironwood tree

Whale’s Tongue Agave and Mexican Honeysuckle underneath an Ironwood tree

2. Mexican Honeysuckle (Justicia spicigera)

Mexican Honeysuckle (Justicia spicigera) from winter garden

Mexican Honeysuckle (Justicia spicigera)

Several perennials and small shrubs do best in the desert garden when planted in filtered sunlight. Desert trees like ironwood, mesquite, and palo verde are excellent choices for producing filtered sunlight. Mexican honeysuckle doesn’t do well in full sun. As a result, it thrives under the shade of this ironwood tree. I love the texture contrast in this bed next to the whale’s tongue agave in this winter garden.

3. Desert Marigold (Baileya multiradiata) and Weber’s Agave (Agave weberi)

Weber's Agave (Agave weberi) and Desert Marigold (Baileya multiradiata) from winter garden

Weber’s Agave (Agave weberi) and Desert Marigold (Baileya multiradiata)

Desert marigold is a short-lived perennial that resembles a wildflower. Yellow flowers appear throughout the year on this short-lived perennial. I like to use them in wildflower gardens or natural desert landscapes because this yellow bloomer will self-seed.

4. Firesticks (Euphorbia ‘Sticks on Fire’) and Elephants Food (Portulacaria afra)

Firesticks (Euphorbia 'Sticks on Fire') and Elephants Food (Portulacaria afra) from winter garden

Firesticks (Euphorbia ‘Sticks on Fire’) and Elephants Food (Portulacaria afra)

Shrubs, vines, and perennials aren’t the only plants that add winter color in the landscape. Colorful stems of the succulent ‘Firesticks’ add a splash of orange all year. I am a fan of the use of blue pots in the garden, and here, it adds a powerful color contrast with the orange.

5. ‘Winter Blaze’ (Eremophila glabra)

'Winter Blaze' (Eremophila glabra) from winter garden

‘Winter Blaze’ (Eremophila glabra)

Eremophilas from winter garden

Lush green foliage decorated with orange/red blooms is on display all year long with this Australian native. Several types of Eremophilas add cool-season color to the landscape, and this one deserves more attention. There must be a blank space in my garden for one… 

6. Winter Garden Delight – ‘Blue Bells’ (Eremophila hygrophana)

Blue Bells Eremophila and Mexican Fence Post Cactus from winter garden

Blue Bells Eremophila and Mexican Fence Post Cactus

Blue Bells (Eremophila hygrophana) from winter garden

‘Blue Bells’ (Eremophila hygrophana)

Without a doubt, ‘Blue Bells’ is arguably one of my most favorite plants. It resembles a compact Texas sage (Leucophyllum spp.) but doesn’t grow as large AND blooms throughout the year. For best results, plant in full sun, but well-drained soil is a must.

7. Valentine Bush (Eremophila maculata ‘Valentine’)

Valentine Bush (Eremophila maculata 'Valentine') from winter garden

Valentine Bush (Eremophila maculata ‘Valentine’)

My favorite choice for winter color is Valentine bush. Red/fuschia blooms begin to appear in January and last into April. For maximum color impact, use them in groups of 3 – 5. They are low maintenance – prune back to 1/2 their size in mid-April after flowering. No other pruning is required.

8. Aloe ferox

Aloe ferox from winter garden

Aloe ferox

Winter into spring is a busy time for aloes, and many species do well in the desert garden. Most require filtered sunlight to do their best, but ‘Blue Elf’ aloe does well in both full sun and bright shade.

9. Trailing Rosemary (Rosmarinus officinalis)

Trailing Rosemary (Rosmarinus officinalis) from winter garden

Trailing Rosemary (Rosmarinus officinalis)

10. Shrubby Germander (Teucrium fruiticans ‘Azurea’)

People from colder climates are often surprised to note that rosemary flowers. In the desert, we are fortunate that we get to enjoy their blue flowers from winter through spring – the bees like them too!

Shrubby Germander (Teucrium fruiticans 'Azurea') from winter garden

Shrubby Germander (Teucrium fruiticans ‘Azurea’)

Toward the entrance to the garden, I was delighted to see shrubby germander. A star in my own garden, this shrub has flowered all winter long and will continue to do so into spring. The blooms are a lovely periwinkle color.

11. Chuparosa (Justicia californica)

Chuparosa (Justicia californica) from winter garden

Chuparosa (Justicia californica)

As our walk was wrapping up, the bright red blooms of a chuparosa shrub caught our eye. A hummingbird was busily drinking as much nectar as he could. I like to use this shrub in winter garden landscapes with a natural theme as it has a sprawling growth habit. It flowers through winter into spring and an important nectar source for hummingbirds.

Beyond Blooms: Adding Artistic Flair to the Winter Garden

winter garden colors

Of course, blooming plants aren’t the only way to add color to the garden. Garden art can play a vital part in adding interest. The Desert Botanical Garden is host to a traveling art exhibit with various animals made from recycled plastic. This group of meerkats greets visitors to the garden.

I hope that you enjoy this virtual tour of winter garden color in the garden and will add some to your own.

What plants do you have that flower in winter?

Drive By Landscapes: Winter Beauty in the Southwest Garden

Colorful Plants, Spiky Pots, Snakes, Roses and the Prom!

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Spring in the desert 'Tangerine Beauty' Crossvine (Bignonia capreolata 'Tangerine Beauty')

Spring in the desert ‘Tangerine Beauty’ Crossvine (Bignonia capreolata ‘Tangerine Beauty’)

Capturing the Beauty of Spring in the Desert

Spring in the desert is the most beautiful time of year with the majority of plants in the landscape bursting out with flowers. It’s also a very busy time for me with landscape consultations, speaking engagements, work in the garden, and family life. I love to document the happenings in my life by taking photographs with my phone, and I’d like to share a sampling with you. It’s a fun combination that includes colorful plants, spiky pots, snakes, roses and the prom!

Pausing for ‘Tangerine Beauty’ Crossvines

No matter how busy I may be, the sight of a beautiful plant stops me in my tracks. It doesn’t matter how rushed I may be; I will always stop and take a photo. That’s what happened when I spotted this row of ‘Tangerine Beauty’ crossvines on our way into church. Even though we were running a few minutes late (as usual) I had to pause to admire the beauty of the lovely blooms and take a photo.

‘Tangerine Beauty’ does very well in the low desert garden. It has lush green foliage and orange/pink flowers that hummingbirds love. It needs a trellis or other support to climb up on and does well in full sun to filtered sun, but avoid planting along a west-facing wall as it may struggle in reflected sun.

entryway-desert-gardening-flowering-annuals-geraniums

Spring in the Desert Speaking Engagements and Garden Inspirations

As a speaker on various gardening topics, my journey often takes me to the Desert Botanical Garden, public libraries, and also to garden groups. During one of my presentations at the Paradise Valley Country Club, I was greeted by this beautiful bed filled geraniums, foxglove, and yellow daisies. The spiky shape of agave adds welcome texture contrast in this area.

agave-planted-in-containers-arizona (Spring in the desert)

Nearby, an impressive collection of spiky succulents graces decorative pots. Agave, with their striking spiky shapes, makes excellent container plants. Placed against a wall, these succulents thrive in full sun and embrace reflected heat with grace.

Cave Creek Branch of the Phoenix Public Library

The Quirky Side of Presentations

Speaking engagements can sometimes bring unexpected surprises. Here is a very different entry to another presentation I was to give at the Cave Creek Branch of the Phoenix Public Library. Two identical caution signs flank the raised metal bridge, which makes you look carefully before approaching. A humorous touch, albeit one that might discourage young readers, added a dash of quirkiness to the library entrance.

David Austin Olivia Rose

‘Olivia Rose’

Embracing the Rose Garden

Back home, the rose garden is in full bloom with my favorite ‘Olivia Rose’ completely covered in fragrant, delicate pink color. She flowers more than every other rose in the garden and for the longest, ensuring her favored status.

red David Austin rose Darcey Bussell

‘Darcey Bussell’

The best performing red rose in the garden is ‘Darcey Bussell,’ and she never disappoints as I view her vibrant blooms from my kitchen window.

David Austin rose Lady of Shalott

‘Lady of Shalott’

This rose is a relative newcomer to my rose garden. ‘Lady of Shalott’ was planted in the winter of 2018 and didn’t produce many blooms in her first year, which is typical of most new roses. However, this year, she is covered with roses in delicate shades of pink and peach.

A Touch of Prom Night

AZ Plant Lady

On the home front, spring means that it’s time for the prom. I can hardly believe that my son is old enough – it seemed like it was just yesterday when I came home with a darling little two-year-old boy from China.

Kai's favorite color

Kai’s favorite color is red, can you tell? It takes confidence to wear a bright color like this, and he does it so well. He is the youngest of four sisters, so this was my first time helping a boy get ready for a school dance. Honestly, it is a lot simpler – all he needed was help with his tie and his boutonniere.

I revel in the bustling energy of spring and cherish the vibrant moments it brings. How about you?

Tour of My Spring Garden

A Repurposed Wall Finds New Life

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marley horticulture learning lab

Repurposing Masonry Blocks for an Eco-Friendly Garden Wall

I am always on the lookout for new and different garden design discoveries. Using interesting materials can make a huge difference. Recently, I was teaching a class at the Desert Botanical Garden. As I headed toward the classroom, I admired the modern design of the building. It was the vine-covered wall that caught my interest.

beautiful desert garden wall

A brilliant person created this unusual wall from broken masonry blocks. Like many other garden walls in the desert Southwest, this one is different. The broken blocks came from a wall that had been removed elsewhere. Instead of letting the blocks end up in a landfill, the person realized that they could be used to build a beautiful and functional garden wall.

Queen’s Wreath Vines and the Play of Shadows

creative desert garden wall

The salvaged wall provides the perfect surface for queen’s wreath (Antigonon leptopus) vines. They crawl up on with their twining tendrils taking advantage of the nooks and crannies within the wall.

hidden desert garden wall

Harnessing the Beauty of Garden Shadows

The sprays of flowers, leaves, and stems create beautiful shadows along the pavement below. Shadows are an element of garden design. Do not underestimate the effect that the shapes of the shadows from cactuses, succulents, and even vines can add to a bare wall, fence, or even on the ground.

beautiful flowers

Years ago, I used to carry a small digital camera in my purse. All for the unexpected opportunity to take pictures of a particular plant, or design idea. Nowadays, this is just another reason that my smartphone is perhaps my most valued tool.

Book Review: Desert Landscaping and Maintenance

New Use for Vines

I love using vines in the garden.

I have pink bower vine growing in my entry, purple lilac vine growing up the walls in my back garden and pink trumpet vine by my vegetable garden.

But, did you know that you can grow some vines as a groundcover?

Purple Lilac Vine (Hardenbergia violaceae)

Purple Lilac Vine (Hardenbergia violaceae)

Years ago, I started using purple lilac vines as groundcovers in the feature areas along golf courses.

Purple Lilac Vine (Hardenbergia violaceae)

Purple Lilac Vine (Hardenbergia violaceae)

I was surprised at how well they did.  We pruned them back once they were finished flowering and then a little if needed.

Eleven years later, they are still growing along the golf course and look great.

Purple lilac vine is my favorite vine.  The reasons are that they bloom in February and have beautiful, green leaves throughout the entire year.  They do need a trellis for support if growing along a wall.

Unlike their common name, however, they don’t smell like lilacs.  

Purple Lilac Vine (Hardenbergia violaceae)

Even when not in flower, their bright green foliage adds beauty and a visually cooling element to the landscape.

**When purchasing vines, I recommend buying them during their bloom season because they aren’t always stocked in the nursery when they aren’t in flower.

A word of caution when growing vines.  Some vines can become invasive – particularly in humid areas with mild winters.  However, this is rarely a problem in the desert Southwest because of our arid climate.

Natural Beauty Without The Fuss – Queen’s Wreath

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Who doesn’t like Queen’s Wreath Vine? I have a renewed appreciation for my Queen’s Wreath Vine, also known as Antigonon leptopus. In the garden during the summer months it is fabulous. Now, I realize that there are some who do enjoy the satisfaction of working hard with their plants. The last thing I want to do is have to fuss over a plant in the middle of the summer heat so that it will look beautiful for me. I would much rather enjoy the ‘natural beauty’ of my summer plants looking through the windows from the comfort of my air-conditioned home.

Embracing the Beauty of Queen’s Wreath Vine

Earlier this summer, I wrote about one of my favorite ‘natural beauties’ in the garden, Yellow Bells.  Today, I would like to introduce you to one of my favorite summer vines. It is a wonderful example of fabulous vine that is a ‘natural beauty.’

Queen's Wreath vine pink flowers

Queen’s Wreath vines grace the Arizona State University campus.

The Natural Charm of Queen’s Wreath Vine

Queen Wreath Vine (Antigonon leptopus) is a colorful asset to my garden. This ‘natural beauty’ is a vine that is native to Mexico and Central America. The vibrant vine graces your garden with stunning pink sprays of flowers that last from spring until the first frost. While it can be invasive in tropical areas, it’s easily managed in the desert climate.

Queen's Wreath Vine heart-shaped leaves

In our desert climate, they do require supplemental water, but no fertilizer is needed.  Bees are attracted to the beautiful flowers, and I love the pretty heart-shaped leaves. 

Queen’s Wreath is a robust vine.  It can endure in full sun including areas of reflected heat.  It will also grow in light shade although flowering will be reduced. The only maintenance required in my garden is pruning it back in winter once it dies back after the first frost. The roots are hardy to 20 degrees F, and in the spring, it quickly grows back with a trellis, fence or an arbor for support.

Queens Wreath vine growing on a wall

 A wall of Queen’s Wreath Vine at ASU

The only consistent maintenance required in my garden is pruning it back in winter once it dies back after the first frost.  However the roots are hardy to 20 degrees F, and in the spring, it quickly grows back with a trellis, fence or an arbor for support. See more in the mini-guide below

HOW TO GROW QUEEN’S WREATH VINE: A Mini-Guide

Step 1: Choosing the Ideal Location

Queens wreath vine pink flowers

To successfully cultivate Queen’s Wreath Vine, select a sunny spot in your garden where it can bask in plenty of sunlight. While it can tolerate light shade, it thrives when exposed to full sun, making it an ideal choice for areas with reflected heat.

Step 2: Preparing the Soil

Ensure the soil is well-draining to prevent waterlogged roots. Queen’s Wreath Vine thrives in various soil types but benefits from enriched soil containing organic matter.

Step 3: Planting the Vine

Plant your Queen’s Wreath Vine near a trellis, fence, or arbor to provide the necessary support for its growth. Dig a hole deep enough to comfortably accommodate its root system.

Step 4: Proper Watering

While Queen’s Wreath Vine becomes drought-tolerant once established, it appreciates supplemental watering, especially during dry spells. Water deeply to encourage robust root development, but make sure the plant has good drainage.

Step 5: Pruning and Maintenance

In winter, after the first frost, prune any dead or overgrown branches to promote vigorous spring growth. Minimal maintenance will keep your Queen’s Wreath Vine flourishing year after year.

By following these steps, you can enjoy the ‘natural beauty’ of Queen’s Wreath Vine in your own garden without the fuss, and revel in its stunning pink displays throughout the year.

My first experience with queen’s wreath was in our first home in Phoenix, where there was a support made up of twine tied between two palm trees. We had no idea why it was there, but it sure looked ugly. Well, before we had time to remove the twine, beautiful, light green, heart-shaped leaves began climbing up the support and quickly covered it. Gorgeous sprays of pink flowers rapidly followed, which was a pleasant surprise.  

What natural beauties are enjoying in your garden this month?  

I will be sharing another favorite ‘natural beauty’ from my garden soon.