Feather Reed Grass plant profile
Calamagrostis x acutiflora
A perennial grass for full sun.
Last updated .
When to plant
When to plant Feather Reed Grass
Feather reed grass is a clumping cool-season perennial grass established by division (a sterile hybrid that sets no viable seed in the ground). NC State directs you to cut the clumps back to the ground in late winter to ensure good spring growth, so set out new plants or divisions as that growth resumes.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Feather Reed Grass in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Spacing
- 12 to 36 in apart
- Hardiness
- Zones 4a to 9bFind my hardiness zone
Next steps
Continue with Feather Reed Grass
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Calamagrostis x acutiflora (Feather Reed Grass)
North Carolina Extension Gardener Plant Toolbox (NC State Extension). Supports general reference. Checked 2026-06-18.