Dendrochilum longifolium Plant Care

Dendrochilum longifolium (Dendrochilum longifolium) belongs to the Orchidaceae family within the Dendrochilum genus.

Dendrochilum longifolium displays a tall, slender stems with multiple blooms growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Dendrochilum longifolium produces clusters of small, fragrant flowers in various colors.

Leaf size: approximately 6 inches.

Water a young or newly planted Dendrochilum longifolium 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.

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

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

Loose, well-draining orchid mix with bark and perlite. Good drainage is essential for Dendrochilum longifolium to prevent waterlogging, which leads to root rot and fungal issues.

Feed Dendrochilum longifolium 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 loose, well-draining orchid mix with bark and perlite. Avoid low spots where water collects after rain.

Dendrochilum longifolium 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.

Dendrochilum longifolium can spread to about 1 ft (0.3 m) and reach about 2 ft (1 m) tall. Space plants about 1 ft (0.3 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 Dendrochilum longifolium 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.

Dendrochilum longifolium 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.

Dendrochilum longifolium can be propagated through division, back bulbs, keiki propagation. Similar propagation techniques also apply to dendrochilum anfractum plant care, which shares the same genus.

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

Dendrochilum longifolium 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.

Dendrochilum longifolium grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Dendrochilum longifolium as a houseplant or bring it indoors before the first frost.