Lanceleaf Rattlebox
Crotalaria lanceolata
- Native to:
- Eswatini, Ethiopia, Kenya, Madagascar, Malawi, Mozambique, South Africa, Sudan-South Sudan, Tanzania, Uganda, Zambia, Zimbabwe
Harry Rose (www.flickr.com) from South West Rocks, Australia






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Crotalaria
- Species:
- Crotalaria lanceolata
- USDA Symbol:
- CRLA7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- yellow
Host Plant for Caterpillars
Pulse pod borer (Etiella zinckenella)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire. Common in fire-maintained sandhills and pine flatwoods.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Common in open, sunny areas; tolerates poor soil fertility
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Hard seed coat requires scarification for optimal germination. Seeds germinate readily after treatment.
The above propagation data sourced from Claude AI