Jasminum polyanthum Franch.

Species Identity and Growth Form

Jasminum polyanthum Franch. is an evergreen climbing plant that reaches up to 6 metres (20 feet) in height when given support.

Leaf Structure and Coloration

It produces compound leaves that hold 5 to 9 leaflets; the upper leaf surface is dark green, while the underside is a lighter green, and the terminal leaflet is noticeably larger than the other leaflets on each leaf.

Branch Characteristics

Its branches are glabrous, and can be either terete or angular.

Native Distribution Range

This species is native to mountainous regions of Southwest China, specifically Guizhou, Sichuan, and Yunnan, as well as Myanmar.

Natural Habitat and Elevation

It naturally occurs in valleys and forests at elevations ranging from 1,400 to 3,000 m (4,600 to 9,800 ft).

Common Cultivation as Houseplant

Jasminum polyanthum is widely known as a common house plant in the United States and Europe.

Growth and Flowering Traits

It grows quickly and easily, and produces abundant flowers.

Outdoor Cultivation Climate Requirements

It can also be grown outdoors in gardens where climate conditions are suitable, as it cannot tolerate freezing temperatures, and is recommended for USDA hardiness zones 8 through 11.

Outdoor Growing Conditions

In suitable climates, it can be grown outdoors to cover walls and fences, and grows well in full sun or light shade.

Propagation Methods

It can be propagated from both seed and suckers.

Royal Horticultural Society Award

In 1993, the Royal Horticultural Society awarded Jasminum polyanthum the Award of Garden Merit (AGM).

RHS Bicentenary List Recognition

It was also selected for the RHS Bicentenary list of 200 plants, with the description: "This popular houseplant is an easily-grown, evergreen, half-hardy climber with loose panicles in summer of many strongly-fragrant pink-backed, white, trumpet-shaped flowers. It does not suffer pest or disease problems and is simple to propagate."