About
Achillea ptarmica 'Perry's White' is a herbaceous perennial that grows to a height of 60-100 cm. It features flexible stems and narrow, dark green leaves that are not divided. From early summer to early autumn, it produces loose clusters of double, pompom-like flowerheads in a bright white hue.
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, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- North-facing, West-facing, East-facing, South-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Prairie planting
Care notes
- Cultivation
- Grows best in moist but well-drained soil in sun or partial shade in an open position; provide support if necessary (see staking perennials)
- Pruning
- No pruning required, but deadheading will prolong the flowering season
- Propagation
- Propagate by division in spring
- Pest resistance
- May be susceptible to aphids
- Disease resistance
- May be susceptible to powdery mildews