Flax-leaved Leucadendron Plant Care

Leucadendron linifolium R.Br.

Updated · Sources · How we source care data

Leucadendron linifolium, the line-leaf 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.

🌳Trees🌿Shrubs
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Flax-leaved Leucadendron?

Plant Flax-leaved Leucadendron 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 Flax-leaved Leucadendron Native To?

Native range1 country

What Is the Flax-leaved Leucadendron?

Flax-leaved Leucadendron (Leucadendron linifolium) belongs to the Proteaceae family within the Leucadendron genus. Flax-leaved Leucadendron is native to the Western Cape, South Africa.

Flax-leaved Leucadendron displays an upright, bushy shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Flax-leaved Leucadendron produces small colorful bracts surrounding the flower head.

Leaf size: approximately 4 inches.

How Often Should You Water a Flax-leaved Leucadendron?

Water a young or newly planted Flax-leaved Leucadendron 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 Flax-leaved Leucadendron Need?

Flax-leaved Leucadendron thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Flax-leaved Leucadendron Prefer?

Leucadendron linifolium tolerates temperatures of 50–80°F. Flax-leaved Leucadendron prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Flax-leaved Leucadendron?

Well-draining acidic soil mix with added sand and perlite. Good drainage is essential for Flax-leaved Leucadendron to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Flax-leaved Leucadendron?

Feed Flax-leaved Leucadendron 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 Flax-leaved Leucadendron?

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.

Flax-leaved Leucadendron 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 Flax-leaved Leucadendron?

Flax-leaved Leucadendron 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 Flax-leaved Leucadendron?

Prune Flax-leaved Leucadendron 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 Flax-leaved Leucadendron in Winter?

Flax-leaved Leucadendron 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 Flax-leaved Leucadendron?

Flax-leaved Leucadendron can be propagated through seeds, cuttings. Similar propagation techniques also apply to galpin's leucadendron plant care, which shares the same genus.

Is the Flax-leaved Leucadendron Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Flax-leaved Leucadendron, 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 Flax-leaved Leucadendron?

Flax-leaved Leucadendron 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 Flax-leaved Leucadendron Need?

Flax-leaved Leucadendron grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Flax-leaved Leucadendron is native to the Western Cape, South Africa. In cooler regions, grow Flax-leaved Leucadendron as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Flax-leaved Leucadendron 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.

Flax-leaved Leucadendron 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 linifolium R.Br., family Proteaceae (first published in Trans. Linn. Soc. London 10: 216 (1810)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Flax-leaved Leucadendron, 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.

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