Roughleaf Ricegrass

Oryzopsis asperifolia

Native to:
Canada, Prince Edward I., United States, Virgin Islands

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Oryzopsis
Species:
Oryzopsis asperifolia
USDA Symbol:
ORAS

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
60 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
may,jun

Wildlife Benefits

Butterflies & Moths:
★★☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
moist, well-drained, organic-rich soil
pH:
5.0 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded forest floors

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold moist stratification for 30-60 days to break dormancy.

Where to Buy

Nationwide Seller