How to Plant, Grow and Care For Blue Lechenaultia

Blue lechenaultia (Lechenaultia biloba) is a member of the goodeniaceae household. There are roughly 30 different species inside the genus Lechenaultia, most of that are native to western Australia.

In its native habitat, it grows on hillsides and grasslands. It thrives in sunny areas with sandy or gravelly, well-drained soil. 

In the US, blue lechenaultia is hardy solely in USDA hardiness zones Sep 11. It’s evenly frost-tolerant and grows as a perennial solely within the warmest local weather zones.

This small, woody sub-shrub has a semi-sprawling progress behavior. Older stems turn into woody whereas youthful stem progress is softer and inexperienced. The leaves are tiny and evergreen. They’re densely packed alongside the stem, resembling the leaves of rosemary. 

Plenty of lovely blue flowers seem within the winter and spring. The colour ranges from deep wealthy to pale purplish-blue. Flowers are 5-petaled, and every petal divides into two distinct lobes, giving rise to the species identify biloba.

Blue lechenaultia is drought tolerant and a very good selection for container gardening, a rockery, or a xeriscape. If this sounds intriguing, let’s dig deeper into the pure historical past, care, and upkeep of the blue lechenaultia.

Blue Lechenaultia Plant Overview

Plant Sort

Evergreen shrub

Solar Publicity

Full solar to partial shade

Soil Sort

Effectively-drained, Sandy

Plant Spacing

12 to 24 inches

Prompt Makes use of

Containers, Rock backyard, Xeriscaping

Plant With

Candy Alyssum, Moss Phlox, Mexican Hens and Chicks, Cooper’s Ice Plant, Sedum ‘Angelina’, Crimson Sage

Bloom Season

Winter, Spring


Root rot, Powdery mildew

Resistant To

Drought, Warmth, Poor soil

Plant Historical past

A cluster of Blue Lechenaultia flowers bathed in sunlight, gracefully unfurling their petals to reveal vibrant shades of blue. The blurred background shows a glimpse of even more Blue Lechenaultia flowers and slender green stems.
This colourful Australian shrub thrives in heat climates.

These small shrubs show an array of colourful flowers, together with white, yellow, purple, and shades of blue. A couple of of those species have turn into common with gardeners. All favor heat, arid climates.

Blue lechenaultia is native to the dry areas of southwestern Australia. It grows in poor-quality, sharply-drained soil.

It blooms within the late winter or spring, offering early-season colour. The evergreen foliage retains the backyard curiosity year-round.


A close-up of three exquisite Blue Lechenaultia flowers, their vibrant hues contrasting beautifully with the softly blurred brown background. Delicate water droplets gracefully adorn the petals, adding a touch of glistening freshness to the blooms.
The shrub is straightforward to propagate by cuttings.

Blue lechenaultia is a short-lived plant, residing solely 4 to six years in superb situations. It’s straightforward to propagate by cuttings, so that you gained’t have to fret about dropping your plant totally. Established crops may also unfold by suckers rising from the bottom.

Blue lechenaultia is simply barely frost-tolerant. In many of the United States, it grows greatest as a container plant. Carry it in for the winter months and permit it to develop exterior in the summertime. 

Lechenaultia is low-growing and considerably sprawling. It makes floor cowl for a small space. Develop it in a rock backyard, xeriscape panorama, or in a extra managed atmosphere, akin to a big raised mattress, container, or hanging basket.


Lechenaultia is best to develop from cuttings. You can begin it from seed, however success charges could also be low because the seeds require particular therapy to sprout. Relying on the place you reside, you may additionally have the ability to discover nursery-grown crops in specialty nurseries or bought by on-line growers. 


A captivating close-up of Lechenultia seeds rests delicately on a sunlit palm. The blurred background gently hints at a lush green tapestry of grass, offering a harmonious contrast to the focused seeds.
Rising Lechenaultia from seed might be difficult.

Lechenaultia is tough to develop from seed. To simulate their pure atmosphere, the seeds might have to be scarified and heat-stratified earlier than planting to encourage them to sprout. Analysis reveals that nicking the seeds with a knife and exposing them to high-temperature smoke improves germination by 81%.

In the event you strive rising lechenaultia from seed, sow seeds on the soil floor and hold the soil moist and heat till they sprout. Be affected person with this course of, as it might take your seeds a number of weeks to indicate any indicators of life. 


A close-up of four Lechenultia seedlings, their delicate green leaves stretching towards the warm embrace of sunlight. The rich, dark soil cradles the young Lechenultia seedlings within a black plant tray.
Transplanting Lechenaultia seedlings requires a mild hand to keep away from harm to the younger crops.

In the event you efficiently develop lechenaultia from seed, you’ll have seedlings to transplant instantly into your backyard or develop in a dangling basket or container. Preserve them in a heat atmosphere with vibrant gentle and minimal soil moisture.

The seedlings might be fragile. Rigorously deal with seedlings and rooted cuttings to keep away from pointless harm to the stems and leaves. 


A close-up of a white-gloved hand delicately gripping pruning shears with vivid red handles, poised for garden care. The blurred background showcases lush green grasses.
Propagate Lechenaultia by cuttings and develop it indoors throughout winter.

Lechenaultia cuttings are straightforward to root. You probably have entry to a lechenaultia plant, take semi-hardwood cuttings within the late spring or summer time with this easy course of:

  • Use sharp shears to take cuttings of contemporary and healthy-looking stems 3 to 4 inches lengthy.
  • Dip the decrease 2 inches in a rooting hormone. If utilizing powdered rooting hormone, dip the reduce finish of the stems into water to dampen them, shake off extra, then roll the reduce finish within the rooting hormone.
  • Place the decrease a part of the stem in moist soil.
  • Preserve the soil solely barely moist.
  • Make sure the crops have good gentle and loads of air circulation.

As soon as your slicing develops wholesome roots, you’ll discover it rising new leaves. When new leaves kind, you understand your slicing was a hit, and you’ll permit the soil to dry between waterings. Preserve your new plant in a heat, dry, sunny location till you’ll be able to switch it to a bigger container or exterior for the summer time. 

In case you are rising lechenaultia as an annual in your backyard, you’ll be able to take cuttings every fall earlier than the primary frost. Root the cuttings indoors and develop them as houseplants by the winter months.

Within the spring, when the temperature has warmed and all hazard of frost has handed, you’ll be able to transplant these younger crops exterior to get pleasure from one other summer time progress season. Take cuttings once more every fall, and you’ll hold your lechenaultia going indefinitely utilizing this methodology. 


A gloved hand firmly grasps a green trowel, providing excellent control and leverage for digging. The hand plunges the trowel into the rich, brown soil, beginning the gardening task ahead.
Plant this shrub exterior in full solar with well-drained soil after the hazard of frost has handed.

In spite of everything hazard of frost has handed, plant your cuttings or seedlings exterior in full solar with different flowers that get pleasure from sandy well-drained soil. Put together your web site upfront to make sure the soil has wonderful drainage and your plant has loads of house to develop with out interference from weeds or shut neighbors.

If you find yourself able to plant, use a spade or hand trowel to dig a gap and punctiliously switch the foundation mass into the opening. Fill the gaps across the roots with contemporary soil and gently pat it down across the plant. 


Rising this flowering shrub is simple so long as it has ample sunshine and dry, well-drained soil.


A stunning close-up of a blue Lechenaultia flower, revealing its furry petals, set against a blurred background. Adjacent to the captivating Lechenaultia bloom are stems, and young and promising flower buds that are eagerly waiting to burst open.
Lechenaultia prefers full solar and wishes no less than 6 hours of direct daylight each day.

Lechenaultia grows greatest in full solar however is tolerant of sunshine shade. Intention for no less than 6 hours of direct daylight every day.

In case you are taking your plant in for the winter, give it the sunniest window location you’ll be able to. These within the northern hemisphere ought to attempt to present a south-facing window as that can have probably the most winter daylight. A develop gentle can be utilized if a south-facing window shouldn’t be out there.


A cluster of vibrant blue Lechenaultia flowers in full bloom, showcasing their beauty with green stems and slender leaves as their backdrop. The stunning blue petals of the Lechenaultia flowers glisten with tiny water droplets, adding a touch of freshness.
These drought-tolerant shrubs want well-draining soil to thrive, whether or not indoors or outside.

These shrubs are drought-tolerant and require well-draining soil to thrive. The soil ought to by no means keep moist, soggy, or saturated, however it ought to stay barely damp to the contact, as that’s the best moisture degree.

If rising it as a houseplant, permit the soil to dry between waterings. In case you are rising it outside for the summer time months, you shouldn’t must do any supplemental watering. 


Tiny blue Lechenaultia flowers add a burst of color to an arid landscape. The barren ground, parched from the relentless sun, is covered in an array of weathered rocks, and scattered dried leaves and twigs.
Effectively-drained and barely acidic soil is right.

The perfect soil pH for lechenaultia needs to be considerably acidic, between 5.5 and 6.5. Don’t try to develop these crops in heavy clay soil or poorly drained soil, because the roots are very susceptible to fungal root rot in moist situations. Add sand, gravel, or perlite to assist enhance drainage if essential.

Local weather and Temperature 

Blue Lechenaultia flowers basking in the warm, golden sunlight. The green and red stems of the Lechenaultia flowers are adorned with dainty, tiny leaves that add a touch of elegance and grace to their overall appearance.
They like heat, dry climates and want good air circulation to stop humidity-related points.

Lechenaultia crops can survive a really gentle frost however are typically thought-about frost-sensitive. Lechenaultia doesn’t tolerate high-humidity environments, so it’s greatest grown in a extra arid local weather.

Place your plant in a location with good air circulation. If doable, to scale back the prospect of built-up humidity, which might result in fungal illnesses.


A trowel holds a small mound of dark organic fertilizer, ready for application. Freshly prepared soil awaits the organic fertilizer, with some already nestled inside a neatly dug hole.
Improve plant progress with seasonal natural fertilizer, adjusting utilization based mostly on soil high quality.

Including natural fertilizer every spring and fall can enhance your plant’s progress. Use a well-balanced fertilizer for houseplants or outside flowering crops, and comply with the producer’s instructions for the product you utilize.

When rising in soil that’s already nutrient-dense, your plant might not want any additional fertilizer. Nevertheless, supplemental fertilizer is helpful when rising in poor, sandy soil mixes.


A pair of bared hands, gently cradling a mound of rich brown soil mixed with coconut peat, ready for planting new life and growth in the garden. The blurred background reveals a dirty white pail filled with rich, brown soil.
Pruning after flowering promotes compactness and enhances flowering magnificence, whereas mulching protects roots and controls weeds in summer time.

Prune your lechenaultia to maintain it compact. In the event you do prune your plant, achieve this after flowering so you’ll be able to maximize its flowering magnificence.

Pruning will encourage your plant to remain extra compact and tidy wanting, isn’t essential to take care of well being. Add some mulch across the base of the plant to assist management weeds and defend roots from scorching in the summertime solar. 


This distinctive flowering shrub is available in a number of cultivars to suit your backyard aesthetic.

‘White Flash’

 A beautiful cluster of ‘White Flash’ Lechenaultia flowers, gracefully arranged along their slender stems. The delicate petals, varying from pristine white to a soft, enchanting blue, encircle vibrant yellow centers, adding a pop of color to the scene.
This cultivar has deep blue flowers with a white splash, simply propagated by cuttings.

This lovely Australian cultivar has deep blue flowers with a particular white splash within the heart of the bottom three petals. This common selection is straightforward to propagate from cuttings.

White Lechenaultia galactites

A cluster of White Lechenaultia flowers blooming above the earth, showcasing their pure and delicate beauty. Bathed in the sunlight, their petals gleam like tiny pearls, while their slender, green stems and leaves dance in the gentle breeze.
This species is a small, enticing shrub with white flowers appropriate for frost-free xeriscaping.

This white Lechenaultia species grows to 24 inches tall and sports activities white flowers. This small shrub appears quite scraggly with many-branching twigs and sparse leaves.

The pure white flowers, nonetheless, are fairly enticing. This could be a superb small shrub for a frost-free xeriscape. 

Crimson Lechenaultia formosa

A vivid bundle of Red Lechenaultia flowers displaying their fiery petals and lush green, succulent-like leaves, creating a contrast against the surrounding brown pebbles scattered on the ground. In the background, a soft blur captures the gentle sway of grasses.
The Crimson Lechenaultia is a well-liked selection with vibrant scarlet-red flowers.

Crimson Lechenaultia has vibrant scarlet-red flowers. The flowers have a distinct petal association than the blue Lechenaultia, however they’re equally as dazzling.

Yellow Lechenaultia linarioides

A close-up reveals the stunning beauty of a Yellow Lechenaultia flower. The delicate petals showcase muted green hues while displaying a captivating touch of purple along the edges. The blurry background gracefully accentuates the intricate network of slender stems.
This yellow selection is a small shrub with pale yellow flowers that appeal to pollinators in winter and spring.

Yellow Lechenaultia is a small shrub that grows to 4 ft tall. It has pale yellow flowers with pink accents. Develop this plant in full solar in a frost-free location with sandy, well-drained soil. The flowers bloom in winter and spring and appeal to pollinators.  

Wildlife Worth

Blue Lechenaultia flowers showcasing their damaged petals. Their slender green and brown stems create an artistic interplay with the surrounding space. The blurred background beautifully accentuates the profusion of stems and leaves, emphasizing their abundance.
This plant attracts pollinators and is a wonderful addition to a pollinator backyard when grown outside whereas blooming.

Blue Lechenaultia attracts pollinators, together with bees, butterflies, and different bugs. In case you are rising these crops indoors over the winter and they’re blooming indoors, there gained’t be a lot wildlife worth, but when they’re outside whereas blooming, they make a superb addition to a pollinator backyard.

Pests and Ailments

Fortuitously, just a few illnesses have an effect on this plant.

Root Rot 

A hand holding a glossy brown pot, revealing the intricate network of roots amidst the rich, dark soil. The pot rests on a white cloth. Adjacent to the pot are mounds of nutrient-rich black soil.
They’re prone to root rot on account of their desire for well-draining soil.

Lechenaultia wants extraordinarily well-drained soil and is susceptible to fungal root rot. Moist and poorly drained soil will result in fungal improvement within the rising media, leading to rotting root tissues and a bunch of different ills.

Guarantee your container and soil drain extra moisture nicely; it ought to stay damp to the contact however shouldn’t be muddy or oversaturated. Keep away from leaving containers sitting in saucers of water for comparable causes.  

Powdery Mildew 

A close-up of powdery mildew reveals a powdery white fungal growth covering the surface of a leaf. The delicate filaments spread across the leaf's greenery, causing a distinct contrast between the affected and healthy areas.
Stop fungal infections by improved air circulation and avoiding leaf water spray.

These crops thrive in arid climates. Excessive humidity or moisture on leaves can simply result in powdery mildew and different fungal leaf infections. Look ahead to discoloration of the leaves, a white dusty-looking powder on leaves, or leaves that wilt or drop.

Enhance air circulation round your crops, hold them in a dry atmosphere, and in case you hand water your crops, don’t spray water on the leaves. Damp leaves present a great atmosphere for airborne fungal spores to cling to.

Insect Pests 

A detailed close-up of a tiny brown spider mite clings to a vibrant green leaf. This brown spider mite's presence on the leaf hints at potential damage to the plant, making it a subject of concern for gardeners.
You must usually verify for aphids and spider mites to manage insect pests.

Lechenaultia crops are typically not bothered by insect pests. If there are aphids or spider mites within the space, they could often transfer over to feed on the leaves.

Look ahead to seen bugs and leaf harm attributable to bugs. Mist all plant surfaces with neem oil to assist management infestations, and act rapidly to manage the infestation so it can not unfold to neighboring crops. 

Often Requested Questions

Remaining Ideas

Blue Lechenaultia is a good looking, showy little plant good for a xeriscape backyard. It should thrive in superb situations, with full solar, low humidity, and gritty, well-drained soil. It’s simply propagated by cuttings, and it makes an ideal low-growing floor cowl for small areas. Take into account rising it alongside a walkway or in a container.

Sadly, this plant shouldn’t be tolerant of freezing temperatures or extended moisture within the air or the soil, making it tough to develop in less-than-ideal situations. You probably have the correct situations, nonetheless, blue Lechenaultia can carry nice pleasure to the backyard!

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