Melicytus dentatus Plant Care

Melicytus dentatus (R.Br. ex DC.) Molloy & Mabb.

Updated · Sources · How we source care data

Melicytus dentatus, the tree violet, is a shrub that is native to south-east Australia. It grows up to 4 metres high and has branchlets that are often armed with spines and have leaves that are 5 to 50 mm long and sometimes toothed.

🌼Perennials🌻Annuals
Water

Every 7–14 days

Light

Partial shade to full sun

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Melicytus dentatus?

Plant Melicytus dentatus in partial shade to full sun (USDA zones 12a) and water a young shrub 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 Melicytus dentatus Native To?

Native range1 country

What Is the Melicytus dentatus?

Melicytus dentatus (Melicytus dentatus) belongs to the Violaceae family within the Melicytus genus. Melicytus dentatus is native to south-east Australia.

Melicytus dentatus displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Melicytus dentatus produces small, fragrant purple flowers in clusters.

Leaf size: approximately 3 inches.

How Often Should You Water a Melicytus dentatus?

Water a young or newly planted Melicytus dentatus every 7–14 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 7–14 days

Until established; then in dry spells

What Light Does the Melicytus dentatus Need?

Melicytus dentatus thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Melicytus dentatus Prefer?

Melicytus dentatus tolerates temperatures of 50–80°F. Melicytus dentatus prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Melicytus dentatus?

Well-draining, slightly acidic soil with added organic matter. Good drainage is essential for Melicytus dentatus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Melicytus dentatus?

Feed Melicytus dentatus 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 Melicytus dentatus?

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

Melicytus dentatus is suited to USDA Zone 12a.

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 Melicytus dentatus?

Melicytus dentatus can spread to about 2 ft (0.6 m) and reach about 3 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 Melicytus dentatus?

Prune Melicytus dentatus 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 Melicytus dentatus in Winter?

Melicytus dentatus 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 Melicytus dentatus?

Melicytus dentatus can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to lancewood plant care, which shares the same genus.

Is the Melicytus dentatus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Melicytus dentatus, 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 Melicytus dentatus?

Melicytus dentatus 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 Melicytus dentatus Need?

Melicytus dentatus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Melicytus dentatus is native to south-east Australia. In cooler regions, grow Melicytus dentatus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Melicytus dentatus 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 Melicytus genus — compare its care with other Melicytus species on PlantoScan.

Melicytus is part of the Violaceae plant family — browse all Violaceae genera and species.

Melicytus dentatus thrives in bright light and direct sun — see other bright-light plants.

More Melicytus Species

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

Sources

  • Scientific name & taxonomy: Melicytus dentatus (R.Br. ex DC.) Molloy & Mabb., family Violaceae (first published in Bot. Mag. , n.s., 17: 234 (2000)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Melicytus dentatus, 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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