Achillea ptarmica The Pearl Group seed-raised (d)
sneezewort The Pearl Group
The Pearl Group are seed-raised and variable plants with semi-double to fully double white flowers, borne on erect leafy stems to 90cm tall in summer
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Partial shade
Aspect
North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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
Accepted
How to grow
Cultivation
Requires a more moist soil than most other achilleas but not waterlogged, does best in partial shade
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Prairie planting
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
Cut back untidy foliage in spring
Pests
May be susceptible to aphids
Diseases
May be susceptible to powdery mildews
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.