Mimosoides Grevillea Plant Care

Grevillea mimosoides R.Br.

Updated · Sources · How we source care data

Grevillea mimosoides, commonly known as caustic bush, is a species of flowering plant in the family Proteaceae and is endemic to northern Australia. It is a shrub or small tree with curved, narrowly elliptic or egg-shaped leaves and greenish-white to cream-coloured or pale yellow flowers.

🌳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 Mimosoides Grevillea?

Plant Mimosoides Grevillea 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 8 months during the growing season.

Where Is the Mimosoides Grevillea Native To?

Native range1 country

What Is the Mimosoides Grevillea?

Mimosoides Grevillea (Grevillea mimosoides) belongs to the Proteaceae family within the Grevillea genus. Mimosoides Grevillea is native to northern Australia.

Mimosoides Grevillea displays an upright, bushy shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Mimosoides Grevillea produces showy clusters of red, pink, or white flowers.

Leaf size: approximately 4 inches.

How Often Should You Water a Mimosoides Grevillea?

Water a young or newly planted Mimosoides Grevillea 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 Mimosoides Grevillea Need?

Mimosoides Grevillea thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Mimosoides Grevillea Prefer?

Grevillea mimosoides tolerates temperatures of 50–80°F. Mimosoides Grevillea prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Mimosoides Grevillea?

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

How Often Should You Fertilize a Mimosoides Grevillea?

Feed Mimosoides Grevillea every 8 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 8 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 Mimosoides Grevillea?

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.

Mimosoides Grevillea 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 Mimosoides Grevillea?

Mimosoides Grevillea 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 Mimosoides Grevillea?

Prune Mimosoides Grevillea 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 Mimosoides Grevillea in Winter?

Mimosoides Grevillea 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 Mimosoides Grevillea?

Mimosoides Grevillea can be propagated through seeds, cuttings. Similar propagation techniques also apply to acacia grevillea plant care, which shares the same genus.

Is the Mimosoides Grevillea Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Mimosoides Grevillea, 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 Mimosoides Grevillea?

Mimosoides Grevillea 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 Mimosoides Grevillea Need?

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

Hardiness Zone

Zone 12a

Keep exploring plants

Mimosoides Grevillea 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 Grevillea genus — compare its care with other Grevillea species on PlantoScan.

Grevillea is part of the Proteaceae plant family — browse all Proteaceae genera and species.

Mimosoides Grevillea thrives in bright light and direct sun — see other bright-light plants.

More Grevillea Species

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

Sources

  • Scientific name & taxonomy: Grevillea mimosoides R.Br., family Proteaceae (first published in Trans. Linn. Soc. London 10: 177 (1810)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Mimosoides Grevillea, 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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