Achillea grandifolia Friv.
large-leaved yarrow
A herbaceous perennial, 40-100cm high, with grey-green stems, woody at the base, leaves covered above and below in fine silvery hairs, giving them a grey-green appearance, flat and lanceolate to broadly ovate in outline, 7–20cm long and 5–10cm wide, deeply pinnatifid to pinnatisect, with 4–6 (sometimes 8) pairs of pinnatifid, cuneate–lanceolate segments, and dense corymbs, 5-20cm across, containing 50-250 flowerheads, each with usually 4-5 white ray florets, in early summer; not to be confused with Tanacetum macrophyllum
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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 Grey Silver | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | Green Grey Silver | White | Green Grey Silver | |
| Autumn | Green Grey Silver | Green Grey Silver | ||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical 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
Correct
- Plant range
- S & C Balkans
How to grow
Cultivation
Grow in moist but well-drained soil in full sun or dappled shade in an open position
Propagation
Propagate by seed, sown in its final position, or by division in spring
Suggested planting locations and garden types
- Prairie planting
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
No pruning required, but deadheading will prolong the flowering season
Pests
Generally pest-free but may be susceptible to aphids
Diseases
Generally disease-free but may be affected by powdery mildews
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