Common Tansy


Common Tansy (Tanacetum vulgare) Sunflower family

Small infestations found in Fairbanks area - Report immeddiately if found! Call 479-1213

Perennial, spreads by seed and by short rhizomes, forming dense clumps. Flat-topped cluster of button-like yellow flowers lacking petals. Numerous composite flower heads (20 to 200 per plant). Leaves alternate and deeply divided into narrow individual leaflets, giving a feathery appearance.Plants grow to five feet tall. Strong odor.

Mildly toxic to grazing animals. Used commonly in gardens where it tends to spread into other yards and natural areas.This plant can restrict the flow of water along streams.

Grows along roadsides, river and stream banks, and beach meadows.

More information


Fairbanks North Star Borough - Parks & Recreation U.S. Forest Service Department of Transportation and Public Facilities  Northern Region Alaska Department of Fish and Game UAF Cooperative Extension Service USKH Inc.