Spreading Copperburr Plant Care
Sclerolaena divaricata (R.Br.) Sm.
Updated · Sources · How we source care data
Sclerolaena divaricata, the tangled copper-burr, is a species of flowering plant in the family Amaranthaceae, native to southeastern Australia. A rounded perennial shrub, it has terete leaves.
Every 10–14 days
Full sun to partial shade
60–85°F
30–60%
At a glance
How do you care for Spreading Copperburr?
Plant Spreading Copperburr in full sun to partial shade (USDA zones 13a) and water a young shrub every 10–14 days until it is established. It tolerates temperatures of 60–85°F (16–29°C). Fertilize it every 6 months during the growing season.
Where Is the Spreading Copperburr Native To?
What Is the Spreading Copperburr?
Spreading Copperburr (Sclerolaena divaricata) belongs to the Amaranthaceae family within the Sclerolaena genus. Spreading Copperburr is native to southeastern Australia.
Spreading Copperburr displays a low spreading shrub growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Spreading Copperburr produces small inconspicuous flowers.
Leaf size: approximately 2.5 inches.
How Often Should You Water a Spreading Copperburr?
Water a young or newly planted Spreading Copperburr every 10–14 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 10–14 days
Until established; then in dry spells
What Light Does the Spreading Copperburr Need?
Spreading Copperburr thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Spreading Copperburr Prefer?
Sclerolaena divaricata tolerates temperatures of 60–85°F. Spreading Copperburr prefers humidity levels of 30–60%.
Temperature
60–85°F
Humidity
30–60%
What Soil Mix Works Best for a Spreading Copperburr?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Spreading Copperburr to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spreading Copperburr?
Feed Spreading Copperburr 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 Spreading Copperburr?
Choose a spot with full sun to partial shade and well-draining sandy soil mix with added organic matter. Avoid low spots where water collects after rain.
Spreading Copperburr is suited to USDA Zone 13a.
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 Spreading Copperburr?
Spreading Copperburr can spread to about 2 ft (0.6 m) and reach about 2 ft (0 m) tall. Space plants about 2 ft (0.6 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 Spreading Copperburr?
Prune Spreading Copperburr 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 Spreading Copperburr in Winter?
Spreading Copperburr is frost-tender (hardy to USDA zone 13). 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 Spreading Copperburr?
Spreading Copperburr can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to spiny poverty bush plant care, which shares the same genus.
Is the Spreading Copperburr Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spreading Copperburr, 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 Spreading Copperburr?
Spreading Copperburr 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 Spreading Copperburr Need?
Spreading Copperburr grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Spreading Copperburr is native to southeastern Australia. In cooler regions, grow Spreading Copperburr as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Spreading Copperburr 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 Sclerolaena genus — compare its care with other Sclerolaena species on PlantoScan.
Sclerolaena is part of the Amaranthaceae plant family — browse all Amaranthaceae genera and species.
Spreading Copperburr thrives in bright light and direct sun — see other bright-light plants.
More Sclerolaena Species
Other Sclerolaena species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sclerolaena divaricata (R.Br.) Sm., family Amaranthaceae (first published in Cycl. 31: n.º 1 (1815)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spreading Copperburr, 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 13a, 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.
