Purple Sandgrass
Triplasis purpurea
Last reviewed: June 2026
Light
full sun
Water
low
Size
6"–24" H × 4"–12" W
Bloom
Jul, Aug, Sep
Native to
AL, AR, CO, CT and 34 more states
Browse plants for this ecoregion
Purple sandgrass is a compact native bunch grass that forms neat clumps with fine-textured foliage. It produces delicate purple-tinged seed heads in summer and fall, adding subtle color and movement to the landscape.
In an HOA neighborhood
Purple Sandgrass is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
This grass provides seeds for birds and serves as habitat for beneficial insects. The fine foliage offers nesting material and shelter for small wildlife.
Common questions
- How much sun does Purple Sandgrass need?
- Purple Sandgrass grows best in full sun conditions.
- When does Purple Sandgrass bloom?
- Purple Sandgrass blooms in July, August, and September.
- Where is Purple Sandgrass native?
- Purple Sandgrass (Triplasis purpurea) is native to AL, AR, CO, CT and 34 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Purple Sandgrass HOA-friendly?
- Purple Sandgrass 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 Sandgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz