Large-fruited Tea Tree Plant Care

Leptospermum macrocarpum (Maiden & Betche) Joy Thomps.

Updated · Sources · How we source care data

Leptospermum macrocarpum is a species of shrub that is endemic to the Blue Mountains in New South Wales. It has thin, hard, sometimes gnarled bark on the older stems, broadly elliptical leaves, relatively large white, pink or dark red flowers and large fruit.

🌳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 Large-fruited Tea Tree?

Plant Large-fruited Tea Tree 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 Large-fruited Tea Tree Native To?

Native range1 country

What Is the Large-fruited Tea Tree?

Large-fruited Tea Tree (Leptospermum macrocarpum) belongs to the Myrtaceae family within the Leptospermum genus. Large-fruited Tea Tree is native to the Blue Mountains in New South Wales.

Large-fruited Tea Tree displays an upright, spreading shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Large-fruited Tea Tree produces small, white, pink, or red flowers with prominent stamens.

Leaf size: approximately 2 inches.

How Often Should You Water a Large-fruited Tea Tree?

Water a young or newly planted Large-fruited Tea Tree 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 Large-fruited Tea Tree Need?

Large-fruited Tea Tree thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Large-fruited Tea Tree Prefer?

Leptospermum macrocarpum tolerates temperatures of 50–80°F. Large-fruited Tea Tree prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Large-fruited Tea Tree?

Well-draining acidic soil mix with added organic matter like peat moss. Good drainage is essential for Large-fruited Tea Tree to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Large-fruited Tea Tree?

Feed Large-fruited Tea Tree 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 Large-fruited Tea Tree?

Choose a spot with full sun to partial shade and well-draining acidic soil mix with added organic matter like peat moss. Avoid low spots where water collects after rain.

Large-fruited Tea Tree 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 Large-fruited Tea Tree?

Large-fruited Tea Tree 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 Large-fruited Tea Tree?

Prune Large-fruited Tea Tree 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 Large-fruited Tea Tree in Winter?

Large-fruited Tea Tree 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 Large-fruited Tea Tree?

Large-fruited Tea Tree can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to new zealand tea tree plant care, which shares the same genus.

Is the Large-fruited Tea Tree Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Large-fruited Tea Tree, 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 Large-fruited Tea Tree?

Large-fruited Tea Tree is susceptible to aphids, scale insects, caterpillars. 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 Large-fruited Tea Tree Need?

Large-fruited Tea Tree grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Large-fruited Tea Tree is native to the Blue Mountains in New South Wales. In cooler regions, grow Large-fruited Tea Tree as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Large-fruited Tea Tree 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 Leptospermum genus — compare its care with other Leptospermum species on PlantoScan.

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

Large-fruited Tea Tree thrives in bright light and direct sun — see other bright-light plants.

More Leptospermum Species

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

Sources

  • Scientific name & taxonomy: Leptospermum macrocarpum (Maiden & Betche) Joy Thomps., family Myrtaceae (first published in Telopea 3: 432 (1989)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Large-fruited Tea Tree, 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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