Nothocestrum longifolium Plant Care

Nothocestrum longifolium (Nothocestrum longifolium) belongs to the Solanaceae family within the Nothocestrum genus. Nothocestrum longifolium is native to mesic and wet forests at elevations of 360–1,620 metres (1,180–5,310 ft) on the islands of Maui, Molokaʻi, Lānaʻi, Oʻahu, Kauaʻi.

Nothocestrum longifolium displays a tall, upright shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Nothocestrum longifolium produces small, bell-shaped flowers in clusters.

Leaf size: approximately 4 inches.

Water a young or newly planted Nothocestrum longifolium every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Nothocestrum longifolium thrives in full sun to partial shade.

Nothocestrum longifolium tolerates temperatures of 60–80°F. Nothocestrum longifolium prefers humidity levels of 40–70%.

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Nothocestrum longifolium to prevent waterlogging, which leads to root rot and fungal issues.

Feed Nothocestrum longifolium every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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 loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Nothocestrum longifolium is suited to USDA Zone 13a.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Nothocestrum longifolium can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 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 tree spacing calculator.

Prune Nothocestrum 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 tree in one year.

Nothocestrum 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.

Nothocestrum longifolium can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to nothocestrum breviflorum plant care, which shares the same genus.

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

Nothocestrum longifolium is susceptible to aphids, whiteflies, 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.

Nothocestrum longifolium grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Nothocestrum longifolium is native to mesic and wet forests at elevations of 360–1,620 metres (1,180–5,310 ft) on the islands of Maui, Molokaʻi, Lānaʻi, Oʻahu, Kauaʻi. In cooler regions, grow Nothocestrum longifolium as a houseplant or bring it indoors before the first frost.