Rough Bentgrass

Agrostis scabra

Also known as: Thermal Bent

Native to:
Canada, China, Greenland, Japan, Korea, Kuril Is., Labrador, Mexico, Prince Edward I., Russia, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Agrostis
Species:
Agrostis scabra
USDA Symbol:
AGSC5

Growth Characteristics

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

Wildlife Benefits

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

Host Plant for Caterpillars

Sandhill Skipper (Polites sabuleti)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fall Color:
tan, golden-brown
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts readily after fire from rhizomes and crown. Often increases in abundance in early post-fire succession in open woodlands and grasslands.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 7.5 (acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in disturbed areas and open woods

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily at surface or shallow depth with light exposure. No cold stratification required.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds placed in 32-34°F for 10-day cold stratification treatment and then exposed to 72-77°F.

Establishment: Wildland collection occurs mid August to early September. Fertilizer application is not recommended the first year, as it generally stimulates weed growth and competition.

Source: npn.rngr.net