Index / Search / Juncus triglumis

§1 Plant

Juncus triglumis L.

vernacular three-hulled rush — species · Juncaceae


USDA
JUTR4
GBIF
2701939
Rank
species
three-hulled rush (Juncus triglumis)
Platephotograph · andreaszehmCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Juncaceae Juss.
Genus
Juncus
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • GL Greenland Native
  • L48 Lower 48 States Native
§2b

County-level range

· 17 counties across 1 state
Legend Native · 17 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
High
Salinity
None
Anaerobic
High
CaCO₃
Medium
Hedging
None
§3b

Climate & soil

Cold tolerance
-23 °F minimum
Frost-free days
135 min.
Precipitation
12–30 in/yr
pH range
6–7.5
Root depth
8 in min.
Fertility need
Medium
Soil texture
medium
§3c

Form & growth

Growth form
Bunch
Growth rate
Moderate
Lifespan
Moderate
Mature height
0.8 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Porous
Porosity (winter)
Porous
Flower colour
White
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Summer
Seed abundance
Low
Seed begins
Summer
Seed ends
Summer
Spread rate
Moderate
Stratify
No
Propagation
seed, bare root, sprigs
§3e

Use & availability

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

§4Counties, by state

Recorded in 17 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/JUTR4 ↗

GBIF Backbone

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

gbif.org/species/2701939 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T08:39:52Z