Dolichostachys elongata Plant Care

Dolichostachys elongata (Dolichostachys elongata) belongs to the Acanthaceae family within the Dolichostachys genus. Dolichostachys elongata is native to Madagascar.

Dolichostachys elongata displays an upright, bushy shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 2 ft. Dolichostachys elongata produces tubular flowers in shades of purple, pink, or white.

Leaf size: approximately 6 inches.

Water a young or newly planted Dolichostachys elongata 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.

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

Dolichostachys elongata tolerates temperatures of 65–80°F. Dolichostachys elongata prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Rich, well-draining potting mix with added perlite for aeration. Good drainage is essential for Dolichostachys elongata to prevent waterlogging, which leads to root rot and fungal issues.

Feed Dolichostachys elongata every 4 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 rich, well-draining potting mix with added perlite for aeration. Avoid low spots where water collects after rain.

Dolichostachys elongata 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.

Dolichostachys elongata 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 Dolichostachys elongata 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.

Dolichostachys elongata 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.

Dolichostachys elongata can be propagated through stem cuttings, division.

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

Dolichostachys elongata is susceptible to aphids, spider mites, 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.

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