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Hibiscus syriacus 'Ardens' (d)

rose of Sharon 'Ardens'

A compact, erect shrub up to 2m high, becoming more spreading with age, with deciduous, three-lobed, green leaves, and double, pale pink-purple flowers with maroon centres, fading to a bluer shade towards the edges, from late summer to mid-autumn

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Purple Green
Autumn Red Purple Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
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

Accepted

How to grow

Cultivation

Grow in neutral, humus-rich, moist but well-drained soil, in a warm position such as a south-facing or west-facing wall in full sun to encourage flowering, and protect roots in winter with an organic mulch

Propagation

Propagate by softwood cuttings in late spring, by semi-ripe cuttings in summer, or by layering in spring or autumn

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

Pruning group 1 (little or no pruning of trees and shrubs)

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

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