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Climber Wall Shrub

Trachelospermum jasminoides var. pubescens 'Japonicum'

star jasmine 'Japonicum'

A very vigorous, evergreen, twining, woody climber to about 9m tall or more, with large, glossy, dark green oval leaves to 12cm in length, downy beneath, often turning bronze-purple in winter. Clusters of very fragrant white flowers, 2.5cm in width, are produced in summer

Synonyms

Trachelospermum jasminoides 'Majus'
Trachelospermum majus misapplied
see moreTrachelospermum japonicum hort.

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Plant nurseries
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Ultimate height

8–12 metres

Time to ultimate height

5–10 years

Ultimate spread

4–8 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Apocynaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Climbing
Genus: Trachelospermum are self-twining evergreen climbing shrubs with glossy ovate leaves and jasmine-like, highly fragrant flowers, sometimes followed by bean-like seed-pods
Name status: Accepted

How to grow

Cultivation

Grow in fertile well-drained soil in full sun or partial shade with shelter from cold winds; for conservatory or greenhouse cultivation grow in a container in peat-free, loam-based potting compost in full light with shade from hot sun. See trachelospermum cultivation

Propagation

Propagate by layering in autumn or semi-ripe cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Low Maintenance
Climber and wall shrubs
Hedging and screens
Wall side borders

Pruning

Pruning group 11 in early spring

Pests

May be susceptible to cushion scale; may be susceptible to mealybugs and glasshouse red spider mite under glass

Diseases

May be susceptible to honey fungus

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