Index / Search / Leymus condensatus

§1 Plant

Leymus condensatus (J. Presl) Á. Löve

vernacular giant wildrye — species · Poaceae


USDA
LECO12
GBIF
2706370
Rank
species
giant wildrye (Leymus condensatus)
Platephotograph · Charlie InyoCC BY source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Poaceae Barnhart
Genus
Leymus
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native
§2b

County-level range

· 19 counties across 1 state
Legend Native · 19 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
90 min.
Precipitation
14–25 in/yr
pH range
6.5–7.9
Root depth
18 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Rhizomatous
Growth rate
Moderate
Lifespan
Long
Mature height
8.5 ft
Foliage texture
Coarse
Foliage colour
Dark Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Flower colour
Yellow
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
Slow
Stratify
No
Seeds / lb
166,000
Propagation
seed
§3e

Use & availability

Commercial availability
No Known Source
Nursery stock
No
Browse palatability
High
Graze palatability
High
Palatable, human
No
Protein potential
Medium
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 19 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/LECO12 ↗

GBIF Backbone

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

gbif.org/species/2706370 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z