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Hibiscus syriacus 'Diana'
  • RHS AGM

rose of Sharon 'Diana'

'Diana' is a bushy deciduous shrub to 2m or more, with lobed leaves and single, pure white flowers to 12cm wide in late summer and early autumn

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn White Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Malvaceae
Native to the UK
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

Accepted

How to grow

Cultivation

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

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Coastal
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 1

Pests

Aphids, mealybugs and thrips may be a problem

Diseases

Powdery mildews may be a problem

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