Beardless Wildrye
Leymus triticoides
- Native to:
- Canada, Mexico, United States
Matt Lavin (www.flickr.com) from Bozeman, Montana, USA






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Leymus
- Species:
- Leymus triticoides
- USDA Symbol:
- LETR5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 120 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rhizomes after fire; historically maintained by periodic burning in California grasslands.
Soil Requirements
- Soil Type:
- fertile, well-drained loamy or sandy soil
- pH:
- 5.5 - 8.0 (slightly acidic to alkaline)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in riparian zones and wetlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Best propagated vegetatively via rhizome divisions; seed germination can be erratic.
The above propagation data sourced from Claude AI
Pre-treatment: None required
Establishment: L. triticiodes is found from Washington east to Montana and south to Texas, New Mexico, Arizona and California and Baja California.
Source: npn.rngr.net