About
Achillea 'Schwellenburg' is a spreading perennial that reaches approximately 45 cm in height, characterized by its grey-green, feathery leaves. During the summer months, it produces broad, flat clusters of small, lemon-yellow blossoms that emerge from silvery buds.
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, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden
- Toxicity
- Contact with skin may aggravate skin allergies. Wear gloves and other protective equipment when handling
Care notes
- Cultivation
- Grow in an open, sunny position in well-drained soil
- Pruning
- No pruning required
- Propagation
- Propagate by division in spring
- Pest resistance
- May be susceptible to aphids
- Disease resistance
- May be susceptible to powdery mildews