About
Achillea ageratum is a perennial that forms clumps, reaching heights of up to 80 cm. Its foliage consists of green, divided or slightly serrated leaves, measuring up to 5 cm in length. During the summer months, the plant produces numerous small flowerheads, each featuring clusters of tiny yellow blooms.
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, Loam, Sand
- 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
- 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, Gravel garden, Prairie planting, Wildlife gardens
- Native to
- Europe, Morocco
Care notes
- Cultivation
- Grow in an open, sunny position in well-drained soil
- Pruning
- Cut back untidy foliage in spring; deadheading may encourage repeat flowering in the summer
- Propagation
- Propagate by division in spring
- Pest resistance
- May be susceptible to aphids
- Disease resistance
- May be susceptible to powdery mildews