Achillea ptarmica 'Noblessa' (d)
sneezewort 'Noblessa'
A compact perennial to about 50cm, with grey-green, fern-like foliage which carpets the ground before the flowers appear. Upright, branching stems are topped with masses of small, double white flowerheads in the spring and summer, flowering in its first year
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drained, Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | White | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- 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
Accepted
How to grow
Cultivation
Grow in an open, sunny position in well-drained soil
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
Deadhead regularly to prolong flowering
Pests
May be susceptible to aphids
Diseases
May be susceptible to powdery mildews
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