Leucadendron arcuatum Plant Care
Leucadendron arcuatum (Lam.) I.Williams
Updated · Sources · How we source care data
Leucadendron arcuatum, the red-edge conebush, is a flower-bearing shrub that belongs to the genus Leucadendron and forms part of the fynbos. The plant is native to the Western Cape, South Africa.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Leucadendron arcuatum?
Plant Leucadendron arcuatum in full sun to partial shade (USDA zones 12a) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.
Where Is the Leucadendron arcuatum Native To?
What Is the Leucadendron arcuatum?
Leucadendron arcuatum (Leucadendron arcuatum) belongs to the Proteaceae family within the Leucadendron genus. Leucadendron arcuatum is native to the Western Cape, South Africa.
Leucadendron arcuatum displays an upright, bushy shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Leucadendron arcuatum produces small colorful bracts surrounding the flower head.
Leaf size: approximately 4 inches.
How Often Should You Water a Leucadendron arcuatum?
Water a young or newly planted Leucadendron arcuatum every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees 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 Leucadendron arcuatum Need?
Leucadendron arcuatum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Leucadendron arcuatum Prefer?
Leucadendron arcuatum tolerates temperatures of 50–80°F. Leucadendron arcuatum prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Leucadendron arcuatum?
Well-draining acidic soil mix with added sand and perlite. Good drainage is essential for Leucadendron arcuatum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Leucadendron arcuatum?
Feed Leucadendron arcuatum every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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 Leucadendron arcuatum?
Choose a spot with full sun to partial shade and well-draining acidic soil mix with added sand and perlite. Avoid low spots where water collects after rain.
Leucadendron arcuatum is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Leucadendron arcuatum?
Leucadendron arcuatum can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 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 tree spacing calculator.
How Do You Prune a Leucadendron arcuatum?
Prune Leucadendron arcuatum 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 tree in one year.
How Do You Care for a Leucadendron arcuatum in Winter?
Leucadendron arcuatum 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 Leucadendron arcuatum?
Leucadendron arcuatum can be propagated through seeds, cuttings. Similar propagation techniques also apply to galpin's leucadendron plant care, which shares the same genus.
Is the Leucadendron arcuatum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Leucadendron arcuatum, 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 Leucadendron arcuatum?
Leucadendron arcuatum is susceptible to aphids, spider mites, scale insects. 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 Leucadendron arcuatum Need?
Leucadendron arcuatum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Leucadendron arcuatum is native to the Western Cape, South Africa. In cooler regions, grow Leucadendron arcuatum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Leucadendron arcuatum 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 Leucadendron genus — compare its care with other Leucadendron species on PlantoScan.
Leucadendron is part of the Proteaceae plant family — browse all Proteaceae genera and species.
Leucadendron arcuatum thrives in bright light and direct sun — see other bright-light plants.
More Leucadendron Species
Other Leucadendron species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Leucadendron arcuatum (Lam.) I.Williams, family Proteaceae (first published in J. S. African Bot. 33: 141 (1967)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Leucadendron arcuatum, 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.
