Hairy Bluebush Plant Care
Maireana villosa (Lindl.) Paul G.Wilson
Updated · Sources · How we source care data
Maireana villosa, commonly known as silky bluebush, or common bluebush, is a species of flowering plant in the family Amaranthaceae and is endemic to mainland Australia. It is an open, hairy, ascending subshrub or shrub with semi-succulent linear to oblong or narrowly lance-shaped leaves with the narrower end towards the base, mostly bisexual flowers arranged singly or in pairs, and a fruiting perianth with a more or less horizontal wing with a radial slit.
Every 7–14 days
Full sun to partial shade
50–85°F
30–60%
At a glance
How do you care for Hairy Bluebush?
Plant Hairy Bluebush in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 50–85°F (10–29°C). Fertilize it every 6 months during the growing season.
Where Is the Hairy Bluebush Native To?
What Is the Hairy Bluebush?
Hairy Bluebush (Maireana villosa) belongs to the Amaranthaceae family within the Maireana genus. Hairy Bluebush is native to mainland Australia. Hairy Bluebush is also known as Bluebush.
Hairy Bluebush displays a low spreading shrub growth habit, reaching up to 1.5 ft tall with a spread of approximately 3 ft. Hairy Bluebush produces small inconspicuous flowers.
Leaf size: approximately 1.5 inches.
How Often Should You Water a Hairy Bluebush?
Water a young or newly planted Hairy Bluebush every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–14 days
Until established; then in dry spells
What Light Does the Hairy Bluebush Need?
Hairy Bluebush thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Hairy Bluebush Prefer?
Maireana villosa tolerates temperatures of 50–85°F. Hairy Bluebush prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Hairy Bluebush?
Well-draining sandy soil with added organic matter for improved fertility. Good drainage is essential for Hairy Bluebush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hairy Bluebush?
Feed Hairy Bluebush every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Hairy Bluebush?
Choose a spot with full sun to partial shade and well-draining sandy soil with added organic matter for improved fertility. Avoid low spots where water collects after rain.
Hairy Bluebush is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Hairy Bluebush?
Hairy Bluebush can spread to about 3 ft (0.9 m) and reach about 2 ft (0 m) tall. Space plants about 3 ft (0.9 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the plant spacing calculator.
How Do You Prune a Hairy Bluebush?
Prune Hairy Bluebush while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.
How Do You Care for a Hairy Bluebush in Winter?
Hairy Bluebush is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Hairy Bluebush?
Hairy Bluebush can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to smooth bluebush plant care, which shares the same genus.
Is the Hairy Bluebush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hairy Bluebush, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Hairy Bluebush?
Hairy Bluebush is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Hairy Bluebush Need?
Hairy Bluebush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hairy Bluebush is native to mainland Australia. In cooler regions, grow Hairy Bluebush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Hairy Bluebush is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Maireana genus — compare its care with other Maireana species on PlantoScan.
Maireana is part of the Amaranthaceae plant family — browse all Amaranthaceae genera and species.
Hairy Bluebush thrives in bright light and direct sun — see other bright-light plants.
More Maireana Species
Other Maireana species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Maireana villosa (Lindl.) Paul G.Wilson, family Amaranthaceae (first published in Nuytsia 2: 51 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hairy Bluebush, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
