Index / Search / Juncus confusus

§1 Plant — species · Juncaceae

Juncus confusus Coville

vernacular Colorado rush


USDA
JUCO2
GBIF
2701202
Rank
species
Colorado rush (Juncus confusus)
Platephotograph · Andrey ZharkikhCC 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

  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
85 min.
Precipitation
10–30 in/yr
pH range
6–8
Root depth
10 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

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

Reproduction

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

Use & availability

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

§4Montana distribution

Recorded in 9 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/JUCO2 ↗

GBIF Backbone

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

gbif.org/species/2701202 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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