Winter Bentgrass

Agrostis hyemalis

Native to:
Aleutian Is., Canada, China, Dominican Republic, Haiti, Mexico, Peru, Puerto Rico, Russia, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Agrostis
Species:
Agrostis hyemalis
USDA Symbol:
AGHY

Growth Characteristics

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

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Fall armyworm (Spodoptera frugiperda), Striped Garden Caterpillar Moth (Trichordestra legitima)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
moist, well-drained sandy loam
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates moderate drainage
Moisture:
consistently moist
Notes:
Commonly found in meadows and open woods

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Requires light for germination; seeds should be surface-sown. Cool-season grass with best germination at 15-20°C.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: The species appears to be distributed throughout the Eastern half of the US and the Great Plains, preferring fairly wet soils. Seeds were collected in Natchez Trace Parkway. It is suggested that seeds probably require light for germination, however, no testing was done to determine this.

Source: npn.rngr.net