Index / Search / Juncus nodosus

§1 Plant — species · Juncaceae

Juncus nodosus L.

vernacular knotted rush


USDA
JUNO2
GBIF
2701592
Rank
species
knotted rush (Juncus nodosus)
Platephotograph · Ed ZaborskiCC 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
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-28 °F minimum
Frost-free days
150 min.
Precipitation
35–50 in/yr
pH range
4–7.5
Root depth
18 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Single Stem
Growth rate
Moderate
Lifespan
Long
Mature height
2 ft
Foliage texture
Coarse
Foliage colour
Dark Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Brown
Fire resistant
Yes
N fixation
None
Toxicity
None
§3d

Reproduction

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

Use & availability

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

§4Montana distribution

Recorded in 12 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/JUNO2 ↗

GBIF Backbone

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

gbif.org/species/2701592 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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