Tanacetum vulgare L.
common tansy
Asteraceae (Aster family)

Introduction to Vascular Plants


© Brian Klinkenberg     (Photo ID #14762)


E-Flora BC Static Map

Distribution of Tanacetum vulgare
Click here to view the full interactive map and legend

Species Information

Perennial herb from a stout rhizome; stems erect, solitary, branched, glabrous to sparsely hairy, dotted with glands, 0.4-1.5 m tall.
Basal leaves lacking; stem leaves alternate, 10-20 cm long, 4-8 cm wide, unstalked or short-stalked, pinnately cut, the axis of the inflorescence evidently winged, the ultimate segments again pinnately cut or deeply lobed and toothed.
Heads disciform, numerous, terminal on the branches in a short, flat- to round-topped inflorescence; involucres 2-3 mm tall; involucral bracts lanceolate, in 2-3 series, keeled, firm except for the papery margin, hairy at the base; ray flowers lacking; marginal flowers glandular, 3-lobed; disk flowers yellow, 5-toothed into rounded lobes, sparsely glandular.
Achenes squared off at top, 1 mm long, 5-angled, glandular-dotted; pappus a minute, narrow-toothed crown.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.


Ecological Framework for Tanacetum vulgare

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)
566 10 1900
Slope Gradient (%)
5 0 42

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

249 188 310
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 1 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

BG(1), CWH(6), ESSF(1), IDF(3), SBS(1)

Habitat and Range

Mesic to dry roadsides, fields, and disturbed areas in the lowland and montane zones; common in BC south of 55degreeN; introduced from Europe.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Chrysanthemum vulgare
Tanacetum boreale Fisch. ex DC.
Tanacetum vulgare var. crispum DC.

Taxonomic Notes

This species has become a common invader in southern British Columbia, often forming thick stands along roadsides and railway track verges. It is listed as one of the top fourteen species of concern by the Coastal Invasive Plant Committee, for more information visit their web site.