About
'Berkheya purpurea 'Silver Spike'' is a perennial that forms a rosette, featuring spiny, lobed leaves that can reach lengths of 45 cm, characterized by their woolly white undersides. The upright stems can grow as tall as 75 cm and produce clusters of daisy-like flowers in a whitish-purple hue during mid-summer.
About the genus
Berkheya consists of shrubs or perennial plants characterized by their spiny, pinnately divided foliage. In the summer months, they produce flower heads that resemble daisies, available in shades of yellow, purple, or white.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Gravel garden
Care notes
- Cultivation
- Grow in a well-drained, fertile soil in full sun. Protect from wet winter conditions
- Pruning
- No pruning required
- Propagation
- Propagate by division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free