Achillea ptarmica ‘The Pearl Group’
‘The Pearl’ is a vigorous perennial forming a spreading clump, with narrow dark green leaves and pure white, double flower-heads. Requires a more moist soil than most other achilleas but not waterlogged, does best in partial shade. Makes an excellent cut flower too.
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Chalk/lime, Free draining/sand, Improved clay, Loam
Flat heads comprising of many tiny flowers in a wonderful array of colours. Flowers from late June with a good second flush if deadheaded once they have faded. Grow in full sun and in soils with good drainage. Longevity can be encouraged by regular division. Protect from slugs in the spring.