§1 Plant
Carex geyeri Boott
vernacular Geyer's sedge — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Carex
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 128 counties across 11 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- Medium
- Moisture use
- Low
- Fire
- High
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -28 °F minimum
- Frost-free days
- 130 min.
- Precipitation
- 12–20 in/yr
- pH range
- 6–7.7
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Slow
- Lifespan
- Moderate
- Mature height
- 1.5 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Low
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 91,400
- Propagation
- bare root, sprigs
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 128 counties across 11 states/territories.
California view state ↗ 7 N ▾
Colorado view state ↗ 22 N ▾
- Archuleta 08007
- Boulder 08013
- Dolores 08033
- Douglas 08035
- Eagle 08037
- Garfield 08045
- Gilpin 08047
- Gunnison 08051
- Jackson 08057
- Larimer 08069
- Mesa 08077
- Moffat 08081
- Montezuma 08083
- Montrose 08085
- Ouray 08091
- Park 08093
- Pitkin 08097
- Rio Blanco 08103
- Routt 08107
- Saguache 08109
- San Juan 08111
- Summit 08117
Idaho view state ↗ 26 N ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Benewah 16009
- Blaine 16013
- Boise 16015
- Bonner 16017
- Bonneville 16019
- Boundary 16021
- Caribou 16029
- Cassia 16031
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Fremont 16043
- Idaho 16049
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Nez Perce 16069
- Owyhee 16073
- Shoshone 16079
- Teton 16081
- Valley 16085
- Washington 16087
Montana view state ↗ 9 N ▾
Nevada view state ↗ 1 N ▾
New Mexico view state ↗ 2 N ▾
Oregon view state ↗ 17 N ▾
Pennsylvania view state ↗ 1 N ▾
Utah view state ↗ 19 N ▾
Washington view state ↗ 13 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CAGE2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2729323 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z