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Anemone canadensis (Canadian anemone)
Reveal, James L.

Anemone canadensis

Anemone canadensis L.

Canadian Anemone, Round-leaf Thimbleweed, Canada Anemone, Windflower, Meadow Anemone

Ranunculaceae (Buttercup Family)

Synonym(s): Anemonidium canadense

USDA Symbol: ANCA8

USDA Native Status: L48 (N), CAN (N)

A robust perennial with deeply lobed, basal leaves and an upright, 1 to 2-1/2 ft. stem bearing a single whorl of 3- to 5-parted leaves. A solitary white flower with a golden center springs from the leaf whorl.

Roundleaf Thimbleweed is very adaptable and can become quite aggressive in too favorable conditions. This plant can be aggressive.


From the Image Gallery

65 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Achene
Size Notes: Up to about 30 inches tall.

Bloom Information

Bloom Color: White
Bloom Time: Apr , May , Jun , Jul , Aug


USA: CO , CT , IA , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NY , OH , PA , SD , TN , VA , VT , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT
Native Distribution: E. Que. to B.C., s. to MD, TN, MO & mts. of NM
Native Habitat: Ditches; damp meadows; sandy shores

Growing Conditions

Light Requirement: Part Shade , Shade
Soil Moisture: Moist
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Moderately moist, sandy soils.
Conditions Comments: Canada anemone is very adaptable and can become quite aggressive in too favorable conditions. As clumps become crowded, flowering may decrease. If this occurs, divide the plants in the fall.


Warning: POISONOUS PARTS: All parts when fresh. Toxic only if eaten in large quantities. Symptoms include inflammation and blistering upon contact with fresh sap and irritation of the mouth, vomiting and diarrhea following ingestion. (Poisonous Plants of N.C.)
Conspicuous Flowers: yes

Value to Beneficial Insects

Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.


Description: May be propagated by root cuttings taken in spring or by division in either fall or early spring. Each piece of rhizome should be several inches long and placed a foot apart at a depth of 1/2 in. Anemone propagated by seed will mature and produce flower
Seed Collection: Gather when mature in summer.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Delaware Nature Society - Hockessin, DE
Natural Biodiversity - Johnstown, PA
Native Seed Network - Corvallis, OR
Mt. Cuba Center - Hockessin, DE

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Anemone canadensis in USDA Plants
FNA: Find Anemone canadensis in the Flora of North America (if available)
Google: Search Google for Anemone canadensis


Record Modified: 2022-11-18
Research By: TWC Staff

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