Carpodetus archboldianus Plant Care

Carpodetus archboldianus (Carpodetus archboldianus) belongs to the Rousseaceae family within the Carpodetus genus. Carpodetus archboldianus is native to Papua New Guinea.

Carpodetus archboldianus displays a compact, dense shrub growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Carpodetus archboldianus produces small, white clusters in spring.

Leaf size: approximately 3 inches.

Water a young or newly planted Carpodetus archboldianus 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.

Carpodetus archboldianus thrives in partial shade to full sun.

Carpodetus archboldianus tolerates temperatures of 50–80°F. Carpodetus archboldianus prefers humidity levels of 40–70%.

Well-draining, acidic soil with high organic content. Good drainage is essential for Carpodetus archboldianus to prevent waterlogging, which leads to root rot and fungal issues.

Feed Carpodetus archboldianus 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 partial shade to full sun and well-draining, acidic soil with high organic content. Avoid low spots where water collects after rain.

Carpodetus archboldianus 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.

Carpodetus archboldianus can spread to about 3 ft (0.9 m) and reach about 4 ft (1 m) tall. Space plants about 3 ft (0.9 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 Carpodetus archboldianus 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.

Carpodetus archboldianus 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.

Carpodetus archboldianus can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to marblewood plant care, which shares the same genus.

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

Carpodetus archboldianus is susceptible to aphids, 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.

Carpodetus archboldianus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Carpodetus archboldianus is native to Papua New Guinea. In cooler regions, grow Carpodetus archboldianus as a houseplant or bring it indoors before the first frost.