About
Centranthus ruber 'Snowcloud' is a short-lived perennial often cultivated as an annual. It features a woody stem and grey-green foliage, producing dense groupings of small, aromatic white blooms from early summer through early autumn.
About the genus
Centranthus can be either annuals or perennials, characterized by typically simple, opposite leaves and clusters of small, trumpet-shaped blooms arranged at the tips of the stems.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial, Annual Biennial
- Habit
- Clump forming, Columnar upright
- Foliage
- Semi evergreen
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
- Suggested uses
- Cottage and informal garden, Gravel garden, Mediterranean climate plants, Wildlife gardens
- Fragrance
- Flower
Care notes
- Cultivation
- Prefers poor to moderately fertile, well drained, chalky or lime soil in full sun. Thrives in stony soil and will not tolerate winter wet. May need support if grown in richer soils, see staking perennials
- Pruning
- Deadhead regularly
- Propagation
- Propagate by seed, sown in early spring for flowers in the first year, or by division in early spring
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free