Achillea maritima
cottonweed
An evergreen, silvery, woolly perennial subshrub to around 10–50cm tall, with small, oblong leaves and aromatic yellow flower heads 8–10 mm wide, blooming from June to September. The plant emits a strong, herbal scent, particularly from its foliage, which intensifies when crushed
Other common names
sea cottonweedsea cudweed
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Grey Silver | |||
|---|---|---|---|---|
| Summer | Yellow | Grey Silver | ||
| Autumn | Grey Silver | |||
| Winter | Grey Silver |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- Yes
- Foliage
- Evergreen
- 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
Correct
- Plant range
- Europe, N. Africa
How to grow
Cultivation
Prefers full sun and is well-suited to exposed coastal positions, tolerating salt spray and wind
Propagation
Propagate by seed
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Wildlife gardens
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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