Melhania randii Plant Care

Melhania randii Baker f.

Updated · Sources · How we source care data

Melhania randii is a plant in the mallow family Malvaceae, native to southern Africa. It is named for the English doctor and plant collector R.F.

Water

Every 7–10 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

50–70%

At a glance

How do you care for Melhania randii?

Plant Melhania randii in full sun to partial shade (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–85°F (18–29°C). Fertilize it every 4 months during the growing season.

Where Is the Melhania randii Native To?

Native range10 countries

What Is the Melhania randii?

Melhania randii (Melhania randii) belongs to the Malvaceae family within the Melhania genus. Melhania randii is native to southern Africa.

Melhania randii displays an upright, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Melhania randii produces showy, colorful blooms in shades of pink, purple, or white.

Leaf size: approximately 6 inches.

How Often Should You Water a Melhania randii?

Water a young or newly planted Melhania randii 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 Melhania randii Need?

Melhania randii thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Melhania randii Prefer?

Melhania randii tolerates temperatures of 65–85°F. Melhania randii prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–70%

What Soil Mix Works Best for a Melhania randii?

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Melhania randii to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Melhania randii?

Feed Melhania randii every 4 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 4 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 Melhania randii?

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Melhania randii 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 Melhania randii?

Melhania randii 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 Melhania randii?

Prune Melhania randii 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 Melhania randii in Winter?

Melhania randii 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 Melhania randii?

Melhania randii can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to melhania phillipsiae plant care, which shares the same genus.

Is the Melhania randii Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Melhania randii, 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 Melhania randii?

Melhania randii is susceptible to aphids, spider mites, whiteflies. 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 Melhania randii Need?

Melhania randii grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Melhania randii is native to southern Africa. In cooler regions, grow Melhania randii as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Melhania randii 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 Melhania genus — compare its care with other Melhania species on PlantoScan.

Melhania is part of the Malvaceae plant family — browse all Malvaceae genera and species.

Melhania randii thrives in bright light and direct sun — see other bright-light plants.

More Melhania Species

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

Sources

  • Scientific name & taxonomy: Melhania randii Baker f., family Malvaceae (first published in J. Bot. 37: 425 (1899)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Melhania randii, 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 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.

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