E-Flora BC: Electronic Atlas of the Flora of British Columbia

Achillea alpina L.
Siberian yarrow
Asteraceae (Aster family)

Introduction to Vascular Plants

© Alfred Cook  Email the photographer   (Photo ID #8284)

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Distribution of Achillea alpina
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Species Information

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Perennial, aromatic herb, usually rhizomatous, 30-120 cm tall; stems erect, densely hairy, simple or branched above.
Alternate, linear, 2-15 cm long, incised, the divisions finely toothed, gradually reduced upwards.
Heads few to many, in short, flat or round-topped clusters; involucral bracts with pale to dark margins; ray flowers usually 7-12, 1-3 mm long, white; disk flowers 15-30.
Achenes glabrous, 1-2 mm long; pappus lacking.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist river banks, lakeshores and meadows in the montane zone; frequent in NE BC; N to AK, YT and NT and E to MB, disjunct to Gaspe Peninsula, PQ.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Achillea alpina

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 300 459 594
Slope Gradient (%) 0 0 3
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
180 229 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 5 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: BWBS(6)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Achillea multiflora Hook.
Achillea sibirica Ledeb.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References