Index / Search / Sisyrinchium idahoense
§1 Plant
Sisyrinchium idahoense E.P. Bicknell
vernacular Idaho blue-eyed grass — species · Iridaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Monocot
- Family
- Iridaceae Juss.
- Genus
- Sisyrinchium
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 155 counties across 11 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- Low
- Moisture use
- High
- Fire
- Medium
- Salinity
- None
- Anaerobic
- Medium
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 10–32 in/yr
- pH range
- 6.4–8.2
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 1.7 ft
- Foliage texture
- Fine
- Foliage colour
- Yellow-Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Blue
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 500,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 155 counties across 11 states/territories.
Arizona view state ↗ 1 N ▾
California view state ↗ 17 N ▾
Colorado view state ↗ 7 N ▾
Idaho view state ↗ 26 N ▾
- Bannock 16005
- Bear Lake 16007
- Benewah 16009
- Bingham 16011
- Blaine 16013
- Bonner 16017
- Bonneville 16019
- Boundary 16021
- Butte 16023
- Camas 16025
- Caribou 16029
- Cassia 16031
- Clark 16033
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Fremont 16043
- Idaho 16049
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Owyhee 16073
- Shoshone 16079
- Teton 16081
- Valley 16085
Montana view state ↗ 2 N ▾
Nevada view state ↗ 8 N ▾
New Mexico view state ↗ 4 N ▾
Oregon view state ↗ 28 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Harney 41025
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Linn 41043
- Marion 41047
- Multnomah 41051
- Polk 41053
- Tillamook 41057
- Umatilla 41059
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
- Yamhill 41071
Utah view state ↗ 26 N ▾
- Beaver 49001
- Box Elder 49003
- Cache 49005
- Carbon 49007
- Daggett 49009
- Duchesne 49013
- Emery 49015
- Garfield 49017
- Grand 49019
- Iron 49021
- Juab 49023
- Kane 49025
- Millard 49027
- Piute 49031
- Rich 49033
- Salt Lake 49035
- San Juan 49037
- Sanpete 49039
- Sevier 49041
- Summit 49043
- Tooele 49045
- Uintah 49047
- Utah 49049
- Wasatch 49051
- Wayne 49055
- Weber 49057
Washington view state ↗ 23 N ▾
- Adams 53001
- Chelan 53007
- Clark 53011
- Douglas 53017
- Grant 53025
- Grays Harbor 53027
- Island 53029
- King 53033
- Kittitas 53037
- Klickitat 53039
- Okanogan 53047
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Spokane 53063
- Stevens 53065
- Thurston 53067
- Whatcom 53073
- Whitman 53075
- Yakima 53077
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SIID ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5296079 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z