Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Anemone canadensis

Canadian anemone, Round-leaf thimbleweed, Canada anemone, Windflower, Meadow anemone

Ranunculaceae (Buttercup Family)

Anemone canadensis (Canadian anemone)
Bransford, W.D. and Dolphia
A robust perennial with deeply lobed, basal leaves and an upright, 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.

Image Gallery:

15 photo(s) available

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

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


USA: CO , CT , IL , IN , IA , KS , KY , ME , MD , MA , MI , MN , MO , MT , NE , NH , NJ , NM , NY , ND , OH , PA , SD , TN , VT , VA , WV , WI , WY
Canada: AB , BC , MB , NB , NL , NT , NS , 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

Last Update: 2012-10-03