About
Cannomois grandis is a robust evergreen perennial characterized by its bamboo-like, sturdy clumps that emerge from rhizomatous growth. The foliage is feathery, displaying a range of green to reddish-pink hues that cascade gracefully. Male specimens produce spherical, glossy, plum-brown flowers, while female plants feature prominent flower heads comprised of large, swollen brown spikelets.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Well-drained, Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming, Pendulous weeping
- Foliage
- Evergreen
- Height
- 4-8 metres
- Spread
- 4-8 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Mediterranean climate plants, Patio and container plants
Care notes
- Cultivation
- Will grow well in moist but well-drained soil in a sunny position. Keep moist in dry weather. Mulch in winter to protect it from cold weather.
- Pruning
- Remove dead culms as and when needed. Cut down culms to the ground in autumn to stimulate new growth in tired plants.
- Propagation
- Propagate by seed or by division.
- Pest resistance
- May be susceptible to white fly and red spider mite
- Disease resistance
- Generally disease-free.