Golden Trumpet
Allamanda cathartica
Also known as: Allamanda hendersonii
- Native to:
- Bolivia, Brazil, French Guiana, Guam, Guyana, Palau, Suriname
Prabhupuducherry





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apocynaceae
- Genus:
- Allamanda
- Species:
- Allamanda cathartica
- USDA Symbol:
- ALCA7
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Vine
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug,sep,oct,nov
- Bloom Colors:
- yellow, golden-yellow
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, hummingbirds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers fertile soils with good organic content
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in warm conditions (24-27°C). Fresh seed germinates better than stored seed.
The above propagation data sourced from Claude AI