Tapered Oniongrass
Melica subulata
Last reviewed: July 2026
The USDA PLANTS Database (opens in new tab) does not flag Tapered Oniongrass as toxic to livestock.
Light
part sun
Water
low
Size
8"–24" H × 4"–12" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT and 5 more states
Browse plants for this ecoregion
Tapered oniongrass is a compact native bunch grass that forms neat clumps with fine-textured foliage. It produces delicate flower spikes in late spring through summer and tolerates drought well once established.
In an HOA neighborhood
Tapered Oniongrass 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 native grass provides seed for birds and nesting material for small wildlife. The flowers attract beneficial insects during the blooming period.
Common questions
- How much sun does Tapered Oniongrass need?
- Tapered Oniongrass grows best in part sun conditions.
- When does Tapered Oniongrass bloom?
- Tapered Oniongrass blooms in May, June, and July.
- Where is Tapered Oniongrass native?
- Tapered Oniongrass (Melica subulata) is native to CA, CO, ID, MT and 5 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Tapered Oniongrass toxic to livestock?
- The USDA PLANTS Database does not flag Tapered Oniongrass as toxic to livestock.
- Is Tapered Oniongrass HOA-friendly?
- Tapered Oniongrass 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 Tapered Oniongrass? 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