Index / Search / Eriophorum virginicum

§1 Plant

Eriophorum virginicum L.

vernacular tawny cottongrass — species · Cyperaceae


USDA
ERVI8
GBIF
2730250
Rank
species
tawny cottongrass (Eriophorum virginicum)
Platephotograph · Alex Graeff source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

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

County-level range

· 5 counties across 1 state
Legend Native · 5 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
Medium
Fire
Low
Salinity
None
Anaerobic
Medium
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
110 min.
Precipitation
35–50 in/yr
pH range
3.8–6.5
Root depth
14 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Single Crown
Growth rate
Moderate
Lifespan
Moderate
Mature height
3.9 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Black
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Indeterminate
Seed abundance
Medium
Seed begins
Summer
Seed ends
Fall
Spread rate
Moderate
Stratify
No
Seeds / lb
180,000
Propagation
seed, sprigs
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Browse palatability
Medium
Graze palatability
Medium
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 5 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/ERVI8 ↗

GBIF Backbone

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

gbif.org/species/2730250 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T18:27:19Z