Roscoea 'Harvington Raw Silk'
Hume roscoea 'Harvington Raw Silk'
'Harvington Raw Silk' is a perennial growing to about 30cm with fairly broad, upright, yellow-green, stem-clasping leaves. The cream flowers appear in early to midsummer in terminal clusters
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Cream | Green | ||
| Autumn | ||||
| Winter |
Position
- Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Zingiberaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Roscoea are tuberous perennials with arching, linear or lance-shaped leaves and showy orchid-like flowers in summer or autumn
- Name status
Unresolved
How to grow
Cultivation
Grow in humus-rich, moderately fertile, moist but well-drained, preferably neutral soil. A cool, sheltered site in partial shade is ideal; in very cold areas apply a deep winter mulch. If growing from a tuber, plant 15cm deep
Propagation
Propagate by division of tubers in spring when growth is starting
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- Rock garden
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Remove faded flowers, the rest of the plant will die down naturally
Pests
May be susceptible to vine weevils and slugs
Diseases
Generally disease-free but may be subject to a virus
Get involved
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