Gardenia jasminoides 'Kleim's Hardy'

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Cape jasmine 'Kleim's Hardy'

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Cape jasmine 'Kleim's Hardy' RHS

Synonyms

Gardenia 'Klein's Hardy'
Gardenia augusta 'Kleim's Hardy'

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An evergreen shrub with deep glossy green leaves and very fragrant, single, white, saucer-shaped flowers in summer and autumn

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

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)
H3

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rubiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Gardenia are bushy evergreen shrubs or trees, with attractive glossy leaves and large, fragrant white funnel- or bowl-shaped flowers with from 5 to 11 lobes
Name Status
Accepted

How to Grow

Cultivation

Grow outdoors in a warm, sheltered position in moist but well-drained, acid or neutral soil in partial or light dappled shade. Should tolerate a few degrees of frost. Otherwise grow under glass in lime-free compost in bright, filtered light in high humidity. See gardenia cultivation

Propagation

Propagate by softwood or semi-ripe cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Mediterranean climate plants
  • Flower borders and beds
  • Wall side borders

Pruning

Pruning group 9

Pests

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

Diseases

May be susceptible to botrytis (grey moulds)