Prairie Acacia
Acaciella angustissima
Also known as: prairie acacia
- Native to:
- Argentina, Belize, Bolivia, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panamá, Peru, United States
Eric Hunt





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Acaciella
- Species:
- Acaciella angustissima
- USDA Symbol:
- ACAN11
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 200 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Blanchard's Prominent Moth (Syssphinx blanchardi), Cydia ninana, raspa sphinx moth (Syssphinx raspa), Syssphinx albolineata, Outis Skipper (Cogia outis)
Reported Fauna Sightings
Butterflies:Satyrium alcestis
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds, small mammals
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown after fire or top-kill. Common in fire-maintained grasslands and savannas throughout its range.
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:
- adapted to nutrient-poor soils
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Seed scarification with hot water soak or mechanical scarification significantly improves germination rates. Seeds have hard, impermeable seed coats typical of legumes.
The above propagation data sourced from Claude AI
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Source: Claude AI