Jasminum polyanthum

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many-flowered jasmine

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Synonyms

Jasminum blinii

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Conservatory Greenhouse Climber Wall Shrub
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Very vigorous, tender evergreen twining climber up to 7.5m tall, with dark green leaves, composed of up to 7 lance-shaped leaflets, and bearing masses of very fragrant, long-tubed white flowers 2cm across, opening from pink buds, in panicle-like clusters to 10cm long, from late spring outdoors in frost-free climates, or earlier in the year if grown in a warm greenhouse or conservatory

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

4-8 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1.5-2.5 metres
Max Height
4-8 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–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)
H2

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Oleaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Climbing
Genus
Jasminum are evergreen or deciduous shrubs, many climbing by twining stems bearing usually pinnate leaves, and star-shaped white, pink or yellow flowers, which are sometimes very fragrant. Fruit a black berry
Name Status
Correct
Plant Range
SW China

How to Grow

Cultivation

A tender climber best grown in a container in a conservatory or warm greenhouse in peat-free, loam-based compost in bright filtered light. Can be grown outdoors in frost-free parts of the country in full sun or part shade with shelter, in well-drained soil

Propagation

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

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Coastal
  • Cottage and informal garden
  • Wall side borders
  • Climber and wall shrubs
  • Conservatory and greenhouse

Pruning

Thin overcrowded growth after flowering, may need restrictive pruning under glass

Pests

May be susceptible to aphids, scale insects and mealybugs under glass

Diseases

May be susceptible to honey fungus (rarely)