Eucalyptus spreta Plant Care

Eucalyptus spreta L.A.S.Johnson & K.D.Hill

Updated · Sources · How we source care data

Eucalyptus spreta is a species of mallet or marlock that is endemic to the south coast of Western Australia. It has smooth bark, narrow lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped fruit.

🌳Trees🌿Shrubs
Water

Every 7–14 days

Light

Full sun

Temp

50–85°F

Humidity

40–70%

At a glance

How do you care for Eucalyptus spreta?

Plant Eucalyptus spreta in full sun (USDA zones 12a) and water a young tree 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. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Eucalyptus spreta Native To?

Native range1 country

What Is the Eucalyptus spreta?

Eucalyptus spreta (Eucalyptus spreta) belongs to the Myrtaceae family within the Eucalyptus genus. Eucalyptus spreta is native to the south coast of Western Australia.

Eucalyptus spreta displays a fast-growing tall tree growth habit, reaching up to 100 ft tall with a spread of approximately 50 ft. Eucalyptus spreta produces small white, cream, or pink flowers in clusters.

Leaf size: approximately 6 inches.

How Often Should You Water a Eucalyptus spreta?

Water a young or newly planted Eucalyptus spreta 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 Eucalyptus spreta Need?

Eucalyptus spreta thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Eucalyptus spreta Prefer?

Eucalyptus spreta tolerates temperatures of 50–85°F. Eucalyptus spreta prefers humidity levels of 40–70%.

Temperature

50–85°F

Humidity

40–70%

What Soil Mix Works Best for a Eucalyptus spreta?

Well-draining sandy loam with some organic matter. Good drainage is essential for Eucalyptus spreta to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Eucalyptus spreta?

Feed Eucalyptus spreta 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 Eucalyptus spreta?

Choose a spot with full sun and well-draining sandy loam with some organic matter. Avoid low spots where water collects after rain.

Eucalyptus spreta 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 Eucalyptus spreta?

Eucalyptus spreta can spread to about 50 ft (15.2 m) and reach about 100 ft (30 m) tall. Space plants about 50 ft (15.2 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 Eucalyptus spreta?

Prune Eucalyptus spreta 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 Eucalyptus spreta in Winter?

Eucalyptus spreta 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 Eucalyptus spreta?

Eucalyptus spreta can be propagated through seeds, cuttings. Similar propagation techniques also apply to silver dollar eucalyptus plant care, which shares the same genus.

Is the Eucalyptus spreta Toxic to Pets and Children?

Toxic (caution)

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

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 Eucalyptus spreta?

Eucalyptus spreta is susceptible to lerp psyllids, eucalyptus gall wasp. 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 Eucalyptus spreta Need?

Eucalyptus spreta grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Eucalyptus spreta is native to the south coast of Western Australia. In cooler regions, grow Eucalyptus spreta as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Eucalyptus spreta 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 Eucalyptus genus — compare its care with other Eucalyptus species on PlantoScan.

Eucalyptus is part of the Myrtaceae plant family — browse all Myrtaceae genera and species.

Eucalyptus spreta thrives in bright light and direct sun — see other bright-light plants.

More Eucalyptus Species

Other Eucalyptus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Eucalyptus spreta L.A.S.Johnson & K.D.Hill, family Myrtaceae (first published in Telopea 9: 294 (2001)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Eucalyptus spreta 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 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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