Renealmia alpinia Plant Care

Renealmia alpinia (Renealmia alpinia) belongs to the Zingiberaceae family within the Renealmia genus. Renealmia alpinia is native to the Americas.

Renealmia alpinia displays a clumping, upright habit growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Renealmia alpinia produces showy, tubular flowers in shades of red, orange, or yellow.

Leaf size: approximately 12 inches.

Water a young or newly planted Renealmia alpinia 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.

Renealmia alpinia thrives in bright indirect light. Avoid placing Renealmia alpinia in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Renealmia alpinia tolerates temperatures of 65–80°F. Renealmia alpinia 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 Renealmia alpinia to prevent waterlogging, which leads to root rot and fungal issues.

Feed Renealmia alpinia 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 bright indirect light and well-draining, acidic soil mix with added organic matter like peat moss and pine bark. Avoid low spots where water collects after rain.

Renealmia alpinia 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.

Renealmia alpinia 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 Renealmia alpinia 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.

Renealmia alpinia 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.

Renealmia alpinia can be propagated through division, offsets.

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

Renealmia alpinia is susceptible to aphids, scale insects, spider mites. 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.

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