Index / Search / Elodea canadensis

§1 Plant — species · Hydrocharitaceae

Elodea canadensis Michx.

vernacular Canadian waterweed


USDA
ELCA7
GBIF
2865448
Rank
species
Canadian waterweed (Elodea canadensis)
Platephotograph · Vladimir BryukhovCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Monocot
Family
Hydrocharitaceae Juss.
Genus
Elodea
§2a

Native status, by region

  • AK Alaska Introduced
  • CAN Canada Native
  • L48 Lower 48 States Native
  • PR Puerto Rico Introduced

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
None
Shade
High
Moisture use
High
Salinity
None
Anaerobic
High
CaCO₃
High
Hedging
None
§3b

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
160 min.
Precipitation
12–60 in/yr
pH range
4.8–7.8
Root depth
0 in min.
Fertility need
Medium
Soil texture
fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Rapid
Lifespan
Long
Foliage texture
Medium
Foliage colour
Gray-Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
White
Fruit colour
Yellow
Fire resistant
Yes
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Summer
Seed abundance
Low
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
No
Propagation
seed, sprigs
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Palatable, human
No
Lumber
No
Christmas tree
No

§4Montana distribution

Recorded in 5 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/ELCA7 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2865448 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z