Purple Reedgrass
Calamagrostis purpurascens
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug
Native to
CA, CO, ID, MN and 9 more states
Browse plants for this ecoregion
Purple reedgrass is a native bunch grass that forms attractive clumps with narrow blue-green foliage. It produces delicate purple-tinged flower heads in summer that age to golden tan, adding seasonal interest to drought-tolerant landscapes.
In an HOA neighborhood
Purple Reedgrass is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May look dormant in winter if not evergreen
Wildlife value
This grass provides nesting material and shelter for birds, while its seeds feed various songbirds and small mammals. The flowers attract beneficial insects during the blooming period.
Common questions
- How much sun does Purple Reedgrass need?
- Purple Reedgrass grows best in full sun conditions.
- When does Purple Reedgrass bloom?
- Purple Reedgrass blooms in June, July, and August.
- Where is Purple Reedgrass native?
- Purple Reedgrass (Calamagrostis purpurascens) is native to CA, CO, ID, MN and 9 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Purple Reedgrass HOA-friendly?
- Purple Reedgrass is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Purple Reedgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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