• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Achillea millefolium 'Kelwayi'

Yarrow 'Kelwayi'

Yarrow 'Kelwayi'

© � RHS

  • Other common names Yarrow 'Kelwayi'

  • Genus Achillea can be mat-forming or upright perennials, mostly herbaceous, with sometimes aromatic, pinnately divided or simple and toothed leaves and flattened clusters of small, daisy-like flower-heads

  • Family Asteraceae / Asteraceae

  • Species 'Kelwayi' is a perennial with finely dissected foliage and flat heads of rich purplish-pink flowers with pale eyes, fading to pale buff-pink

Characteristics

  • Foliage Semi-evergreen

  • Habit Bushy

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing or East-facing

  • Exposure Exposed

Soil

  • Chalk

    Sand

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

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

Propagation Propagate by division in spring

Suggested planting locations and garden types Flower borders and beds Cottage & Informal Garden Prairie Planting

How to care

Pruning Cut back untidy foliage in spring

Pests Can get aphids

Diseases May suffer from powdery mildews

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