Jasminum polyanthum (Many-Flowered Jasmine)

Botanical Information

FamilyOleaceae
GenusJasminum
Speciespolyanthum
SynonymsJasminum blinii
CategoryTropicals, Woody
TypeVine
OriginNative to Yunnan, China where it was discovered by the French missionary Jean Delavay in 1883. The national collection of Jasminum is held by Tynings Climbers in Tickenham, Somerset, England. Jasmine gets its name from the Persian word, 'yasmin', meaning fragrant flower.

Details

USDA Hardiness Zone10b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH2
RHS Hardiness Ref.
Temperature (°C)2 - 4
Temperature (°F)35 - 40
HeightUp to 6 m when supported.
Spread1 - 1.5 m
GrowthFast
Flowering PeriodApril, May

Description and Growing Information

General DescriptionJasminum polyanthum or Many-Flowered Jasmine is an evergreen twiner with dark green, pinnate leaves and axillary clusters of fragrant, tubular, white flowers.
LandscapeMakes a low-maintenance climber on a trellis, wall or tree. Also good for containers or in city and courtyard gardens.
PropagationBy semi-hardwood cuttings or layering in autumn.
CultivationGrow in a frost-free, sheltered location, full sun to part shade, in well-drained soil. When growing under glass, use bright, filtered light and compost containing loam. Thin excess growth after flowering.
PestsPossible pests include: aphids, mealybugs and scale insects. No diseases to note.
Notable SpecimensThe Royal Botanical Gardens, Burlington, Ontario, Canada.
Flower/Leaf Bud DescriptionPale pink, narrow, pointed.
Leaf DescriptionPinnate, long and narrow, dark green.
Flower DescriptionVery fragrant, long, tube-shaped, white, five-petalled, star-like, up to 2 cm in diameter, in axillary, loose branching clusters.

Photographs