Hibiscus syriacus 'Kakapo'

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<em>Hibiscus</em> <em>syriacus</em> 'Kakapo' RHS / Joanna Kossak
Shrubs

A bushy shrub with upright stems bearing double pink flowers shading to red at their centres in late summer and early autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
2.5-4 metres

Growing Conditions

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

Position

Full sun
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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Malvaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Hibiscus can be deciduous or evergreen shrubs, trees, annuals or perennials, with simple or palmately lobed leaves and large, funnel-shaped flowers over a long flowering season
Name Status
Unresolved

How to Grow

Cultivation

Grow in a moist but well-drained soil in full sun in a sheltered position

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Flower borders and beds

Pruning

Pruning group 1

Pests

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

Diseases

May be susceptible to honey fungus (rarely) and powdery mildews