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Herbaceous Perennial
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Clay
Loam
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | ||||
|---|---|---|---|---|
| Summer | Purple | Green | ||
| Autumn | Purple | Green | ||
| Winter |
Position
- Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Zingiberaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Roscoea are tuberous perennials with arching, linear or lance-shaped leaves and showy orchid-like flowers in summer or autumn
- Name status
Correct
- Plant range
- Himalaya & Tibet
How to grow
Cultivation
Plant tubers 15cm deep in winter or early spring. Grow on in moderately fertile, humus-rich, leafy, moist but well-drained soil, in a cool, sheltered site in partial shade
Propagation
Propagate by seed by sowing in a cold frame as soon as the seeds are ripe. Divide plants in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Rock garden
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Deadhead after flowering
Pests
Slugs and vine weevils may be a problem
Diseases
Generally disease-free, but may be susceptible to a virus
Get involved
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