Index / Search / Juncus ensifolius
§1 Plant
Juncus ensifolius Wikstr.
vernacular swordleaf rush — species · Juncaceae
§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
- HI Hawaii Introduced
- L48 Lower 48 States Native
§2b
County-level range
· 190 counties across 14 states/territories§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
- 80 min.
- Precipitation
- 8–40 in/yr
- pH range
- 6–8
- Root depth
- 11 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 2 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Purple
- 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
- 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
§4Counties, by state
Recorded in 190 counties across 14 states/territories.
Alaska view state ↗ 10 N ▾
Arizona view state ↗ 1 N ▾
California view state ↗ 31 N ▾
- Alpine 06003
- Butte 06007
- Colusa 06011
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Glenn 06021
- Humboldt 06023
- Inyo 06027
- Kern 06029
- Lake 06033
- Lassen 06035
- Los Angeles 06037
- Mariposa 06043
- Mendocino 06045
- Modoc 06049
- Mono 06051
- Napa 06055
- Nevada 06057
- Placer 06061
- Plumas 06063
- San Bernardino 06071
- Shasta 06089
- Siskiyou 06093
- Sonoma 06097
- Tehama 06103
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
- Ventura 06111
- Yuba 06115
Colorado view state ↗ 6 N ▾
Hawaii view state ↗ 2 I ▾
Idaho view state ↗ 33 N ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Bear Lake 16007
- Benewah 16009
- Blaine 16013
- Boise 16015
- Bonner 16017
- Bonneville 16019
- Boundary 16021
- Butte 16023
- Caribou 16029
- Cassia 16031
- Clark 16033
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Franklin 16041
- Fremont 16043
- Gooding 16047
- Idaho 16049
- Jefferson 16051
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Owyhee 16073
- Shoshone 16079
- Teton 16081
- Twin Falls 16083
- Valley 16085
Montana view state ↗ 15 N ▾
Nevada view state ↗ 9 N ▾
New York view state ↗ 2 N ▾
Oregon view state ↗ 33 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Lincoln 41041
- Linn 41043
- Malheur 41045
- Marion 41047
- Multnomah 41051
- Polk 41053
- Tillamook 41057
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
- Yamhill 41071
Washington view state ↗ 33 N ▾
- Asotin 53003
- Chelan 53007
- Clallam 53009
- Clark 53011
- Columbia 53013
- Cowlitz 53015
- Ferry 53019
- Garfield 53023
- Grant 53025
- Grays Harbor 53027
- Island 53029
- Jefferson 53031
- King 53033
- Kitsap 53035
- Kittitas 53037
- Klickitat 53039
- Lewis 53041
- Okanogan 53047
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Snohomish 53061
- Spokane 53063
- Stevens 53065
- Thurston 53067
- Wahkiakum 53069
- Walla Walla 53071
- Whatcom 53073
- Whitman 53075
- Yakima 53077
Wisconsin view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUEN ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2701612 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z