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Annual Biennial
Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Loam
Sand
Moisture
Moist but well–drainedpH
AcidColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Pink | Green | ||
Autumn | ||||
Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Onagraceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Clarkia are slender annuals with simple leaves and showy funnel-shaped or bowl-shaped flowers in lax racemes in summer
- Name status
Unresolved
How to grow
Cultivation
Grows best in poor to moderately fertile, slightly acid, moist but well-drained soil in full sun; avoid hot, humid conditions
Propagation
Propagate by seed sown in-situ in early spring or autumn and avoid transplanting. Protect autumn-sown seedlings over winter with cloches
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Coastal
- Patio and container plants
- Wildlife gardens
- Flower borders and beds
- Cut flowers
Pruning
Cut back after flowering
Pests
Generally pest-free
Diseases
Susceptible to foot rot and stem rot
Get involved
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