common tansy USDA PLANTS Symbol: TAVU
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Tanacetum vulgare L.
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Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae
Synonym(s): garden tansy, tansy
Native Range: Europe, Asia ()
Common tansy is an aromatic, perennial herb native to Eurasia. Plants can reach to 5 ft. (1.5 m) in height and can be toxic to people and other animals if ingested in large quantities. Leaves are alternate, sessile or short-stalked, highly divided and glandular dotted. Flowering occurs from August to October, when yellow, button-like flowers develop in flat-topped clusters at the apex of the plant. Fruit are 5-angled achenes with small glands. Plants invade disturbed areas, ditch banks and riparian areas.
Identification, Biology, Control and Management Resources
Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s);
Richard Old, XID Services, Inc., Bugwood.org
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Plant(s);
Michael Shephard, USDA Forest Service, Bugwood.org
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Plant(s);
Steve Dewey, Utah State University, Bugwood.org
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Foliage;
Mary Ellen (Mel) Harte, , Bugwood.org
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Flower(s);
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage
Flower(s);
Michael Shephard, USDA Forest Service, Bugwood.org
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Fruit(s);
Richard Old, XID Services, Inc., Bugwood.org
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Plant(s); in flower
Steve Dewey, Utah State University, Bugwood.org
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Infestation;
Steve Dewey, Utah State University, Bugwood.org
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Infestation;
Michael Shephard, USDA Forest Service, Bugwood.org
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Plant(s); in front of a sunflower field
Jan Samanek, State Phytosanitary Administration, Bugwood.org
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Diagram or Graphic; Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 522.
USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org
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EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org 		 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.
U.S. National Parks where reported invasive:
Antietam National Battlefield (Maryland)
Craters of the Moon National Monument (Idaho)
Yellowstone National Park (Wyoming)


Invasive Listing Sources:
California Invasive Plant Council
California Invasive Plant Council
Faith Campbell, 1998. Plants that Hog the Garden: Invasive Plants in the United States. Fine Gardening Online
Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
Mid-Atlantic Exotic Pest Plant Council, 2005
Pacific Northwest Exotic Pest Plant Council, 1998