Mountain leaf-flower Plant Care

Mountain leaf-flower (Phyllanthus montanus) belongs to the Phyllanthaceae family within the Phyllanthus genus. Mountain leaf-flower is native to Jamaica. Mountain leaf-flower is also known as Mountain leaf-flower plant.

Mountain leaf-flower displays an upright, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Mountain leaf-flower produces small greenish-yellow flowers.

Leaf size: approximately 4 inches.

Water a young or newly planted Mountain leaf-flower 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.

Mountain leaf-flower thrives in bright indirect light. Avoid placing Mountain leaf-flower in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Phyllanthus montanus tolerates temperatures of 65–80°F. Mountain leaf-flower prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining soil mix with added perlite for improved drainage. Good drainage is essential for Mountain leaf-flower to prevent waterlogging, which leads to root rot and fungal issues.

Feed Mountain leaf-flower 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 soil mix with added perlite for improved drainage. Avoid low spots where water collects after rain.

Mountain leaf-flower is suited to USDA Zone 10b – 12b.

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.

Mountain leaf-flower 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 Mountain leaf-flower 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.

Mountain leaf-flower is frost-tender (hardy to USDA zone 10). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Mountain leaf-flower can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to chamber bitter plant care, which shares the same genus.

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

Mountain leaf-flower 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.

Mountain leaf-flower grows outdoors in USDA Zone 10b – 12b. It survives winters down to planting zone 10b. Mountain leaf-flower is native to Jamaica. In cooler regions, grow Mountain leaf-flower as a houseplant or bring it indoors before the first frost.