Sidalcea 'William Smith'
prairie mallow 'William Smith'
An erect herbaceous perennial making a clump to 90cm in height, with rounded basal leaves and deeply lobed stem leaves. Flowers 5cm in width, with five salmon tinted, deep rose-pink petals
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Malvaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- 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
Accepted
How to grow
Cultivation
Best grown in moderately fertile, humus-rich, moist but well-drained, light, sandy, neutral to slightly acid soil in full sun; will tolerate other soils but resents waterlogging. Provide a dry mulch of bracken or straw during cold winters
Propagation
Propagate by division in autumn or spring
Suggested planting locations and garden types
- Cottage and informal garden
- Prairie planting
- Cut flowers
- Flower borders and beds
Pruning
Cut stems back hard after flowering to encourage further flowers and to prevent self-seeding
Pests
Slugs may be a problem
Diseases
May be susceptible to a rust
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