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Herbaceous Perennial

Achillea ptarmica 'Peter Cottontail'
  • RHS Plants for pollinators

sneezewort 'Peter Cottontail'

A perennial forming a low mound of glossy, dark green, narrowly lance-shaped leaves topped with white, button-like flowerheads in summer and autumn

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn White Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing or North–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
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

Name status

Unresolved

How to grow

Cultivation

Grows best in moist but well-drained soil in sun or partial shade in an open position

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Prairie planting
  • Cut flowers
  • Flower borders and beds
Pruning

No pruning required, but deadheading will prolong the flowering season

Pests

May be susceptible to aphids

Diseases

May be susceptible to powdery mildews

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