Churchmouse Threeawn
Aristida dichotoma
- Native to:
- United States, Virgin Islands
iNaturalist: © samuelbrinker (iNaturalist #8477331)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Aristida
- Species:
- Aristida dichotoma
- USDA Symbol:
- ARDI4
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Common in dry, sandy, fire-prone habitats; may increase after fire due to reduced competition.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in open, disturbed areas