Claoxylon angustifolium Plant Care

Claoxylon angustifolium Müll.Arg.

Updated · Sources · How we source care data

Claoxylon angustifolium, commonly known as narrow leaf claoxylon, is a species of flowering plant in the family Euphorbiaceae found only in Queensland, Australia. It is a shrub which will usually grow to a height of about 4 m (13 ft), with long narrow leaves up to 22 cm (8.7 in) by 2 cm (0.79 in).

🌿Shrubs🪴Houseplants🌵Succulents
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Claoxylon angustifolium?

Plant Claoxylon angustifolium in bright indirect light (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

What Is the Claoxylon angustifolium?

Claoxylon angustifolium (Claoxylon angustifolium) belongs to the Euphorbiaceae family within the Claoxylon genus.

Claoxylon angustifolium displays a tall, upright shrub growth habit, reaching up to 4 ft tall with a spread of approximately 2 ft. Claoxylon angustifolium produces small clusters of inconspicuous flowers.

Leaf size: approximately 5 inches.

How Often Should You Water a Claoxylon angustifolium?

Water a young or newly planted Claoxylon angustifolium every 7–10 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 7–10 days

Until established; then in dry spells

What Light Does the Claoxylon angustifolium Need?

Claoxylon angustifolium thrives in bright indirect light. Avoid placing Claoxylon angustifolium in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Claoxylon angustifolium Prefer?

Claoxylon angustifolium tolerates temperatures of 65–80°F. Claoxylon angustifolium prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Claoxylon angustifolium?

Well-draining soil mix with added perlite for aeration. Good drainage is essential for Claoxylon angustifolium to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Claoxylon angustifolium?

Feed Claoxylon angustifolium 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 Claoxylon angustifolium?

Choose a spot with bright indirect light and well-draining soil mix with added perlite for aeration. Avoid low spots where water collects after rain.

Claoxylon angustifolium is suited to USDA Zone 13b.

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 Claoxylon angustifolium?

Claoxylon angustifolium can spread to about 2 ft (0.6 m) and reach about 4 ft (1 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 Claoxylon angustifolium?

Prune Claoxylon angustifolium 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 Claoxylon angustifolium in Winter?

Claoxylon angustifolium 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 Claoxylon angustifolium?

Claoxylon angustifolium can be propagated through stem cuttings, air layering. Similar propagation techniques also apply to none known plant care, which shares the same genus.

Is the Claoxylon angustifolium Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

Mildly toxic to humans and pets if ingested

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 Claoxylon angustifolium?

Claoxylon angustifolium is susceptible to spider mites, mealybugs, 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 Claoxylon angustifolium Need?

Claoxylon angustifolium grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Claoxylon angustifolium as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Claoxylon angustifolium 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 Claoxylon genus — compare its care with other Claoxylon species on PlantoScan.

Claoxylon is part of the Euphorbiaceae plant family — browse all Euphorbiaceae genera and species.

Claoxylon angustifolium thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Claoxylon angustifolium Müll.Arg., family Euphorbiaceae (first published in Linnaea 34: 165 (1865)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Claoxylon angustifolium is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13b, 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.

PlantoScan app icon

Identify Plants Like the
Claoxylon angustifolium Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species