Jasminum × stephanense Starry Starry Summer Scent ('Ganmin 1701')

RHS Plant Profile
Stephan jasmine [Starry Starry Summer Scent]

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Synonyms

Jasminum × stephanense 'Ganmin 1701'

Climber Wall Shrub
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Vigorous, woody deciduous climber, about 3m tall with twining stems and tapered green leaves, sometimes composed of up to 5 leaflets. Small, sweetly fragrant, creamy flowers to 1cm across flushed pale pink, appear in early and midsummer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1.5-2.5 metres
Max Height
2.5-4 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 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)
H5

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Oleaceae
Native to GB/Ireland
No
Foliage
Deciduous
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
Trade

How to Grow

Cultivation

Grow in any good garden soil that is well-drained, in sun or part shade. See jasmine cultivation for further advice

Propagation

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

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Climber and wall shrubs
  • Wall side borders

Pruning

Thin old, flowered and overcrowded stems after flowering

Pests

May be susceptible to aphids and mealybugs or glasshouse red spider mite

Diseases

May be susceptible to honey fungus (rarely)