- **Type**: Evergreen shrub or vine (in warm climates); tender perennial in cooler zones

- **Height**: 4 to 6 feet (1.2 to 1.8 meters) as a bush; up to 10-20 feet (3-6 meters) if trained as a vine

- **Width**: 3 to 6 feet (0.9 to 1.8 meters)

- **Growth Habit**: Upright, bushy when pruned; naturally sprawling or vining without support

- **Foliage**:

- Glossy, dark green, lance-shaped leaves, 4 to 6 inches long (10 to 15 cm)

- Whorled arrangement (typically in groups of 4), evergreen in frost-free areas

- **Flowers**:

- Large, trumpet-shaped, bright yellow blooms

- 3 to 5 inches across (7.5 to 12.5 cm)

- Bloom season: Spring to fall (April to November), year-round in tropical climates

- Mildly fragrant, attracts butterflies and hummingbirds

- **Fruit**:

- Spiky, round capsules, 1 to 2 inches (2.5 to 5 cm), rarely seen in cultivation

- Not ornamentally significant; toxic if ingested

- **Light**: Full sun (6+ hours daily) for best flowering; tolerates partial shade (reduces blooms)

- **Soil**:

- Well-drained, fertile; prefers rich, loamy soil with organic matter

- Slightly acidic to neutral (pH 6.0 to 7.0)

- **Watering**: Moderate; keep soil consistently moist but not waterlogged, especially during dry spells

- **Hardiness**: USDA Zones 9 to 11 (20°F or -6°C; may regrow from roots in Zone 9 with protection)

- **Wildlife**: Attracts butterflies and hummingbirds; not deer-resistant; toxic to pets and humans (sap and all parts)

- **Care**:

- Prune heavily in late winter or early spring to maintain bushy shape and encourage flowering

- Fertilize monthly with a balanced mix (e.g., 10-10-10) during growing season

- Wear gloves when pruning (sap can irritate skin and eyes)

- **Pests/Diseases**:

- May attract spider mites, scale, or whiteflies

- Susceptible to root rot in soggy soil; leaf spot in humid, poorly ventilated conditions

- **Uses**: Accent bush, hedge, container plant, trellis or wall cover if trained, tropical garden feature

- **Growth Rate**: Fast; can grow 2 to 5 feet per year with good conditions

- **Special Features**:

- Native to South America; named after Dr. Frederich Allamand

- Heat and humidity tolerant, ideal for tropical or subtropical settings

- Sap is a known purgative (cathartic), historically used medicinally

The Yellow Allamanda Regular Bush’s bold golden trumpets and glossy foliage bring a tropical burst of sunshine to gardens or patios, thriving in full sun with regular care. Let me know if you’d like more growing tips or ideas for pairing it with other plants!