Index / Search / Carex aquatilis

§1 Plant

Carex aquatilis Wahlenb.

vernacular water sedge — species · Cyperaceae


USDA
CAAQ
GBIF
2724150
Rank
species
water sedge (Carex aquatilis)
Platephotograph · Шильников Дмитрий СергеевичCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Cyperaceae Juss.
Genus
Carex
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • GL Greenland Native
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 101 counties across 12 states/territories
Legend Native · 101 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
120 min.
Precipitation
15–65 in/yr
pH range
4–7.5
Root depth
14 in min.
Fertility need
Medium
Soil texture
medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Moderate
Lifespan
Long
Mature height
2.9 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Yellow
Fire resistant
Yes
N fixation
None
Toxicity
None
§3d

Reproduction

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

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Graze palatability
Medium
Palatable, human
No
Protein potential
Medium
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 101 counties across 12 states/territories.

Alaska view state ↗ 24 N
Arizona view state ↗ 2 N
District of Columbia view state ↗ 1 N
Maine view state ↗ 5 N
Maryland view state ↗ 1 N
Massachusetts view state ↗ 5 N
Montana view state ↗ 11 N
New Hampshire view state ↗ 1 N
New Jersey view state ↗ 6 N
New York view state ↗ 33 N
Pennsylvania view state ↗ 5 N
Vermont view state ↗ 7 N

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/CAAQ ↗

GBIF Backbone

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

gbif.org/species/2724150 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T05:45:41Z