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Geum rivale (Purple avens)
Smith, R.W.

Geum rivale

Geum rivale L.

Purple Avens, Water Avens

Rosaceae (Rose Family)


USDA Symbol: GERI2

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

A hairy perennial with several purple flowers nodding from a 1 ft. high flowering stem. Large basal leaves are divided into three, lobed leaflets. Leaves along the flowering stem are also divided but much smaller.


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Achene , Aggregate
Size Notes: Up to about 2-1/2 feet tall.
Leaf: Green
Fruit: Aggregated achenes.

Bloom Information

Bloom Color: Yellow , Purple
Bloom Time: Apr , May , Jun , Jul , Aug


USA: CO , CT , IL , IN , MA , MD , ME , MI , MN , MT , ND , NH , NJ , NM , NY , OH , PA , RI , SD , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , ON , PE , QC , SK
Native Distribution: Lab. to B.C. & Okanogan Co., WA, s. to n. NJ, WV, n. IL & ND; & in the Rockies to NM
Native Habitat: Swamps; wet meadows; bogs

Growing Conditions

Water Use: High
Light Requirement: Sun
Soil Moisture: Wet
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: Medium
Soil Description: Wet to moist, acid soils.
Conditions Comments: A robust grower.


Conspicuous Flowers: yes


Description: Will grow from seed.
Seed Treatment: Seed needs no pretreatment.
Commercially Avail: yes

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.

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


Record Modified: 2023-02-13
Research By: TWC Staff

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