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.
Dinesh Valke (www.flickr.com) from Thane, India





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
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:
- 7–30 days
- Notes:
- Seeds require scarification (nicking or hot water treatment) to break physical dormancy.