Wiegand's Wildrye

Elymus wiegandii

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Elymus
Species:
Elymus wiegandii
USDA Symbol:
ELWI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug

Host Plant for Caterpillars

Benjaminiola colorada, Burdock Borer (Papaipema cataphracta), Cosmiotes illectella, Elachista leucofrons, Faronta albilinea, Faronta diffusa, Mesapamea stipata, Zabulon Skipper (Poanes zabulon)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from base after fire; typical of cool-season bunchgrasses.

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Cool temperatures preferred for germination. Light may improve germination rates.

The above propagation data sourced from Claude AI