Beyrich Threeawn
Aristida beyrichiana
Last reviewed: June 2026

Toxicity unknown
Beyrich Threeawn (Aristida beyrichiana) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
6"–24" H × 4"–12" W
Bloom
Mar, Apr, May, Jun
Native to
AL, FL, GA, MS and 1 more states
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Beyrich threeawn is a compact native bunch grass that forms small, neat clumps reaching up to 2 feet tall. This drought-tolerant perennial produces delicate seed heads from March through June and thrives in sandy soils with minimal water requirements.
In an HOA neighborhood
Beyrich 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.
- Has a wild, unmanicured appearance
- Seed heads can look messy to conventional landscaping standards
- May be perceived as weedy by HOA boards
Wildlife value
This native grass provides seeds for songbirds and small wildlife. The clumping structure offers nesting material and shelter for beneficial insects.
Common questions
- How much sun does Beyrich Threeawn need?
- Beyrich Threeawn grows best in full sun conditions.
- When does Beyrich Threeawn bloom?
- Beyrich Threeawn blooms in March, April, May, and June.
- Where is Beyrich Threeawn native?
- Beyrich Threeawn (Aristida beyrichiana) is native to AL, FL, GA, MS and 1 more states, per vouchered herbarium specimen records and regional native plant society lists.
- Is Beyrich Threeawn HOA-friendly?
- Beyrich Threeawn takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Beyrich Threeawn? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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