Soft Diplolaena Plant Care

Diplolaena mollis Paul G.Wilson

Updated · Sources · How we source care data

Diplolaena mollis is a species of flowering plant in the family Rutaceae and is endemic to the west coast of Western Australia. It has broadly elliptic or egg-shaped, leathery leaves that are densely covered in hairs and reddish, pendulous flowers.

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Water

Every 7–10 days

Light

Full sun to partial shade

Temp

55–85°F

Humidity

40–70%

At a glance

How do you care for Soft Diplolaena?

Plant Soft Diplolaena in full sun to partial shade (USDA zones 12b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 55–85°F (13–29°C). Fertilize it every 6 months during the growing season.

Where Is the Soft Diplolaena Native To?

Native range1 country

What Is the Soft Diplolaena?

Soft Diplolaena (Diplolaena mollis) belongs to the Rutaceae family within the Diplolaena genus. Soft Diplolaena is native to the west coast of Western Australia. Soft Diplolaena is also known as Soft Yellow Correa.

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

Leaf size: approximately 4 inches.

How Often Should You Water a Soft Diplolaena?

Water a young or newly planted Soft Diplolaena 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 Soft Diplolaena Need?

Soft Diplolaena thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Soft Diplolaena Prefer?

Diplolaena mollis tolerates temperatures of 55–85°F. Soft Diplolaena prefers humidity levels of 40–70%.

Temperature

55–85°F

Humidity

40–70%

What Soil Mix Works Best for a Soft Diplolaena?

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

How Often Should You Fertilize a Soft Diplolaena?

Feed Soft Diplolaena 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 Soft Diplolaena?

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

Soft Diplolaena is suited to USDA Zone 12b.

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 Soft Diplolaena?

Soft Diplolaena 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 Soft Diplolaena?

Prune Soft Diplolaena 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 Soft Diplolaena in Winter?

Soft Diplolaena 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 Soft Diplolaena?

Soft Diplolaena can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to andrews' diplolaena plant care, which shares the same genus.

Is the Soft Diplolaena Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Soft Diplolaena, 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 Soft Diplolaena?

Soft Diplolaena is susceptible to citrus whitefly, scale insects, citrus psyllid. 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 Soft Diplolaena Need?

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

Hardiness Zone

Zone 12b

Keep exploring plants

Soft Diplolaena 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 Diplolaena genus — compare its care with other Diplolaena species on PlantoScan.

Diplolaena is part of the Rutaceae plant family — browse all Rutaceae genera and species.

Soft Diplolaena thrives in bright light and direct sun — see other bright-light plants.

More Diplolaena Species

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

Sources

  • Scientific name & taxonomy: Diplolaena mollis Paul G.Wilson, family Rutaceae (first published in Nuytsia 12: 116 (1998)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Soft Diplolaena, 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 12b, 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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