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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Elodea canadensis

Elodea canadensis Michx.

Canadian Waterweed

Hydrocharitaceae (Tape-Grass Family)

Synonym(s): Anacharis canadensis, Anacharis canadensis var. planchonii, Elodea brandegeeae, Elodea ioensis, Elodea linearis, Elodea planchonii, Philotria canadensis, Philotria linearis

USDA Symbol: ELCA7

USDA Native Status: L48 (N), AK (I), PR (I), CAN (N)

Typically found in calcareous, hard"" water. Useful as oxygenator in garden ponds, and as shelter for small fishes and aquatic invertebrates. Can be cultivated in an aquarium. Very invasive if grown in rich soil.


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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf: Gray-Green

Bloom Information

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


USA: AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NS , ON , QC , SK

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: High
Aquatic: 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.

Additional resources

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


Record Modified: 2020-07-17
Research By: TWC Staff

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