Woolly Bluebush Plant Care
Maireana eriosphaera Paul G.Wilson
Updated · Sources · How we source care data
Maireana eriosphaera is a species of flowering plant in the family Amaranthaceae, and is endemic to Western Australia. It is an erect, loosely branched, perennial herb with a woody base, linear to narrowly oblong leaves, bisexual flowers arranged singly in dense spikes on the ends of branches, and a hemispherical, top-shaped fruiting perianth densely covered with silky wool and with a narrow, fan-shaped wing.
Every 7–14 days
Full sun to partial shade
50–85°F
30–60%
At a glance
How do you care for Woolly Bluebush?
Plant Woolly 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 Woolly Bluebush Native To?
What Is the Woolly Bluebush?
Woolly Bluebush (Maireana eriosphaera) belongs to the Amaranthaceae family within the Maireana genus. Woolly Bluebush is native to Western Australia. Woolly Bluebush is also known as Bluebush.
Woolly Bluebush displays a low spreading shrub growth habit, reaching up to 1.5 ft tall with a spread of approximately 3 ft. Woolly Bluebush produces small inconspicuous flowers.
Leaf size: approximately 1.5 inches.
How Often Should You Water a Woolly Bluebush?
Water a young or newly planted Woolly 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 Woolly Bluebush Need?
Woolly Bluebush thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Woolly Bluebush Prefer?
Maireana eriosphaera tolerates temperatures of 50–85°F. Woolly Bluebush prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Woolly Bluebush?
Well-draining sandy soil with added organic matter for improved fertility. Good drainage is essential for Woolly Bluebush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Woolly Bluebush?
Feed Woolly 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 Woolly 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.
Woolly 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 Woolly Bluebush?
Woolly 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 Woolly Bluebush?
Prune Woolly 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 Woolly Bluebush in Winter?
Woolly 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 Woolly Bluebush?
Woolly 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 Woolly Bluebush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Woolly 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 Woolly Bluebush?
Woolly 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 Woolly Bluebush Need?
Woolly Bluebush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Woolly Bluebush is native to Western Australia. In cooler regions, grow Woolly Bluebush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Woolly 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.
Woolly 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 eriosphaera Paul G.Wilson, family Amaranthaceae (first published in Nuytsia 2: 29 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Woolly 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.
