Pacific Reedgrass
Calamagrostis nutkaensis
Last reviewed: July 2026
Light
part sun
Water
medium
Size
24"–60" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
CA, OR, WA
Browse plants for this ecoregion
Pacific reedgrass is a tall, clumping native grass that forms upright tufts of narrow green leaves. It produces attractive feathery seed heads in summer and turns golden-brown in fall before going dormant in winter.
In an HOA neighborhood
Pacific Reedgrass is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: mid zone, street edge.
- Can look untidy when dormant in winter
- May appear too informal for formal front yards
- Requires annual cutting back for neat appearance
Wildlife value
This grass provides nesting material and cover for birds, while its seeds feed songbirds and small mammals. The dense clumps offer shelter for beneficial insects throughout the growing season.
Common questions
- How much sun does Pacific Reedgrass need?
- Pacific Reedgrass grows best in part sun conditions.
- When does Pacific Reedgrass bloom?
- Pacific Reedgrass blooms in June, July, and August.
- Where is Pacific Reedgrass native?
- Pacific Reedgrass (Calamagrostis nutkaensis) is native to CA, OR, WA, per the USDA PLANTS Database and regional native plant society lists.
- Is Pacific Reedgrass HOA-friendly?
- Pacific Reedgrass is generally an HOA-friendly choice in the right placement, with moderate 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 Pacific Reedgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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