Roscoea purpurea 'Harvington Imperial'
roscoea
This captivating tuberous perennial, reaching around 40cm (16in) in height, showcases strap-shaped green leaves that elegantly embrace robust, red stems. The highly distinctive brick-red flowers, suffused with purple, bloom in loose clusters from mid-July to August, adding a touch of tropical flair to the garden borders, 'Harvington Imperial' can also grace pots and containers, though some frost protection is advisable during severe frosts.
How to care for Roscoea purpurea Harvington Imperial:
Grow in humus-rich, moderately fertile soil that is moist yet well-drained. Locate in a cool, sheltered spot with partial shade. Prevent summer drought and winter waterlogging. Enhance the soil with organic matter, and introduce mycorrhizal fungi (Rootgrow) during planting. In colder regions, employ a dry winter mulch like bark for added protection.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
0.4m
Eventual spread:
0.5m
Position:
Light shade / shade
Rate of growth:
Average
Soil:
Moderately fertile, moist but well-drained soil, or peat-free general purpose compost
Hardiness:
Borderline hardy (will need protection in winter in colder areas)
-
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
Unavailable
Standard Delivery£5.95
