Northern Reedgrass
Calamagrostis inexpansa
Last reviewed: June 2026
Light
full sun
Water
medium
Size
24"–48" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AZ, CA, CO, CT and 27 more states
Browse plants for this ecoregion
Northern reedgrass is a fine-textured native grass that forms upright clumps with delicate seed heads in summer. The grass provides good structure in naturalistic plantings. It goes dormant in winter, turning golden brown before new growth emerges in spring.
In an HOA neighborhood
Northern Reedgrass takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Appears weedy and unkempt when dormant
- Fine texture may look messy compared to traditional turf
- Native grass aesthetic often not accepted in formal landscapes
Wildlife value
This native grass provides nesting material and seeds for birds, particularly sparrows and finches. The fine texture offers good cover for small wildlife while supporting native insect communities.
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.
Does Northern Reedgrass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.