Bottlebrush Threeawn
Aristida spiciformis
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–36" H × 6"–12" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, FL, GA, MS and 3 more states
Bottlebrush threeawn is a fine-textured native bunch grass that forms compact clumps with narrow leaves. It produces distinctive bottlebrush-like seed heads from summer through fall that give the plant its common name.
In an HOA neighborhood
Bottlebrush Threeawn 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.
- Very fine texture can appear weedy to untrained eyes
- Seed heads may be perceived as untidy
- Not widely recognized as ornamental
Wildlife value
The seed heads provide food for birds and small mammals. As a native grass, it supports various insects and provides nesting material for birds.
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 Bottlebrush Threeawn fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.