Arizona Bristlegrass
Setaria arizonica
- Native to:
- Mexico, United States
Patrick Alexander (www.flickr.com) from Las Cruces, NM







Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Setaria
- Species:
- Setaria arizonica
- USDA Symbol:
- SEAR7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep,oct
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from base after fire; typical of warm-season bunchgrasses in grassland and desert grassland ecosystems.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Warm season grass; germinates readily with warm temperatures and moisture.
The above propagation data sourced from Claude AI