About
Achillea 'Alabaster' is a semi-evergreen perennial that grows in clumps, reaching up to 75 cm in height. It features delicate, finely cut grey-green leaves and erect stems topped with broad clusters of small, pale yellow blooms that mature to a creamy-white hue over time.
About the genus
Achillea consists of perennial plants that can grow in a mat-forming or upright habit. These mostly herbaceous species feature leaves that may be aromatic, either pinnately divided or simple with serrated edges. The plants produce flattened clusters of small, daisy-like flower heads.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Sand, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained, Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Semi evergreen
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Gravel garden, Prairie planting, Wildlife gardens
Care notes
- Cultivation
- An open sunny position in a moist but well-drained soil is best, but it will tolerate most situations apart from heavy, wet clay in winter
- Pruning
- Cut back untidy foliage in spring
- Propagation
- Propagate by division in spring
- Pest resistance
- May be susceptible to aphids
- Disease resistance
- May be susceptible to powdery mildews