Overview
Clethra tomentosa 'Cottondale' is a bushy shrubs in the genus Clethra, part of the Clethraceae family, with deciduous foliage. Clethra tomentosa 'Cottondale' grows best in partial shade, and tolerates loam and sand soils and acid pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden and low maintenance.
About
Clethra tomentosa 'Cottondale', known as woolly white alder 'Cottondale', is a bushy, deciduous cultivar of the Clethra genus. These shrubs are noted for their simple leaves and small, fragrant, white bell-shaped flowers arranged in racemes or panicles. 'Cottondale' thrives in partial shade with a sheltered aspect, preferring fertile, moist but well-drained acidic soils such as loam or sand. Hardy to UK zone H5, it is suitable for cottage and informal gardens and is low maintenance, flowering in spring and summer.
About the genus
Clethra is a genus of flowering shrubs or small trees erected as a genus by Linnaeus in 1753.
Wikipedia contributors, "Clethra", CC BY-SA 4.0 — Clethra
Growing conditions
Best soil and position for Clethra
- Sunlight
- Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Clethra tomentosa 'Cottondale' size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Low Maintenance
Care notes
Pruning and caring for Clethra tomentosa 'Cottondale'
- Propagation
- Seed in spring or autumn, Softwood cuttings in early summer
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Clethra tomentosa 'Cottondale'?
Clethra tomentosa 'Cottondale' prefers partial shade. It suits sheltered positions.
What soil does Clethra tomentosa 'Cottondale' need?
Clethra tomentosa 'Cottondale' grows best in loam and sand soil. It prefers acid soil. Aim for soil that stays moist but well-drained.
Is Clethra tomentosa 'Cottondale' hardy in the UK?
Clethra tomentosa 'Cottondale' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Clethra tomentosa 'Cottondale'?
Seed in spring or autumn, Softwood cuttings in early summer.