Woolly Senna
Senna hirsuta
- Native to:
- Argentina, Belize, Bolivia, Brazil, Cayman Is., Colombia, Costa Rica, Cuba, El Salvador, Honduras, Leeward Is., Mexico, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, United States, Uruguay, Virgin Islands, Windward Is.
Vinayaraj






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Senna
- Species:
- Senna hirsuta
- USDA Symbol:
- SEHI2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub , Tree
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Sleepy Orange (Eurema nicippe)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; common in fire-maintained disturbed habitats.
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:
- native to open, disturbed areas; tolerates poor soils
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Seeds have hard coat requiring scarification (hot water treatment or mechanical). Germinates readily after treatment.
The above propagation data sourced from Claude AI