Acidonia microcarpa Plant Care

Acidonia microcarpa (Acidonia microcarpa) belongs to the Proteaceae family within the Acidonia genus. Acidonia microcarpa is native to the south coast of the Southwest Botanic Province of Western Australia.

Acidonia microcarpa displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Acidonia microcarpa produces showy clusters of small, tubular flowers in shades of pink, red, or white.

Leaf size: approximately 6 inches.

Water a young or newly planted Acidonia microcarpa 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.

Acidonia microcarpa thrives in full sun to partial shade.

Acidonia microcarpa tolerates temperatures of 60–80°F. Acidonia microcarpa prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining acidic soil mix with added organic matter like peat moss and pine bark. Good drainage is essential for Acidonia microcarpa to prevent waterlogging, which leads to root rot and fungal issues.

Feed Acidonia microcarpa 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.

The PlantoScan app can remind you when to water and when to fertilize each plant.

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

Acidonia microcarpa is suited to USDA Zone 13a.

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.

Acidonia microcarpa 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.

Prune Acidonia microcarpa 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.

Acidonia microcarpa 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.

Acidonia microcarpa can be propagated through seeds, cuttings.

See all plants toxic to cats and plants toxic to dogs.

Acidonia microcarpa is susceptible to spider mites, scale insects, aphids. 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.

Acidonia microcarpa grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Acidonia microcarpa is native to the south coast of the Southwest Botanic Province of Western Australia. In cooler regions, grow Acidonia microcarpa as a houseplant or bring it indoors before the first frost.