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Herbaceous Perennial

Sidalcea 'Rose Queen'
  • RHS Plants for pollinators

A clump-forming deciduous perennial to a height of 1.2m with rounded basal leaves, lobed stem leaves and racemes of deep pink flowers 5cm across, with fringed petals, opening in early and mid summer

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Pink Green
Autumn Green
Winter
Position
  • Partial shade
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Malvaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy, Clump forming
Genus

Sidalcea can be annuals or perennials, forming a clump of rounded or palmately lobed basal leaves, with erect stems bearing more deeply divided leaves and terminal racemes of 5-petalled mallow-like flowers

Name status

Unresolved

How to grow

Cultivation

Grow in full sun, in a moist, but well-drained soil that does not become waterlogged in winter. Plants can be rather short-lived in heavy soils

Propagation

Propagate by seed for species and by division in spring

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

Cut back after flowering to encourage fresh foliage and promote a long flowering season

Pests

Generally pest-free

Diseases

Generally disease-free

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