Asian Crabgrass
Digitaria heterantha
- Native to:
- Bismarck Archipelago, Caroline Is., China, Hainan, Jawa, Lesser Sunda Is., Malaya, Nansei-shoto, New Guinea, Philippines, South China Sea, Taiwan, Thailand, Vietnam
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Digitaria
- Species:
- Digitaria heterantha
- USDA Symbol:
- DIHE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 60 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:
- As a warm-season grass, it resprouts from the base following fire.
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily in warm conditions with adequate moisture.
The above propagation data sourced from Claude AI