Jointed Goat Grass
Aegilops triuncialis
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–24" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
CA, MD, NV, NY and 1 more states
Browse plants for this ecoregion
Jointed goat grass is an invasive annual grass that forms small clumps and produces seed heads in late spring and summer. This non-native species is considered a noxious weed in many western states and can quickly spread to natural areas.
In an HOA neighborhood
Jointed Goat Grass takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
- Classified as invasive/noxious weed
- Can spread aggressively to neighboring properties
- May violate local weed ordinances
Wildlife value
While it may provide some seed for birds, this invasive species offers minimal wildlife value and crowds out beneficial native plants that support local ecosystems.
Common questions
- How much sun does Jointed Goat Grass need?
- Jointed Goat Grass grows best in full sun conditions.
- When does Jointed Goat Grass bloom?
- Jointed Goat Grass blooms in May, June, and July.
- Where is Jointed Goat Grass native?
- Jointed Goat Grass (Aegilops triuncialis) is native to CA, MD, NV, NY and 1 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Jointed Goat Grass HOA-friendly?
- Jointed Goat Grass 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 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 Jointed Goat Grass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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