Elymus hystrix, Bottlebrush Grass

Bottlebrush grass
Elymus hystrix

Hardiness: Zones 2 to 8
Plant type: Grass
Height: 3- 5'
Spread: 1- 2'
Sun: Full to part shade
Water: Dry to medium
Bloom time: September, October
Bloom color: Green, matures to brown
Soil: Moist, organically rich soils, Neutral (≈7), adapts to wide range of soil conditions including heavy clay.

Notes: Self seeds but not aggressive.

More information on this plant here.