Spanish Brome
Bromus madritensis
Last reviewed: June 2026
Light
full sun
Water
low
Size
6"–24" H × 4"–12" W
Bloom
Apr, May, Jun
Native to
AZ, CA, CO, ID and 6 more states
Browse plants for this ecoregion
Spanish brome is a short annual grass that grows in clumps and produces seed heads in spring. This non-native species is considered an invasive weed that can quickly spread and outcompete desirable plants.
In an HOA neighborhood
Spanish Brome 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.
- Invasive weed species
- Dies back creating unsightly brown patches
- Can spread aggressively to neighboring properties
Wildlife value
Provides minimal wildlife value and can actually harm native ecosystems by displacing beneficial native plants that support local wildlife.
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 Spanish Brome fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.