Allamanda Cathartica Apr 2026

: Feed every 2–4 weeks during spring and summer with a balanced or high-phosphorus fertilizer to encourage flowers.

: Hardy in USDA Zones 10–11 . It is sensitive to frost and should be brought indoors or into a greenhouse if temperatures drop below 60°F (15°C). Propagation and Maintenance allamanda cathartica

: Needs at least 6 hours of direct sunlight daily for maximum blooming. Soil : Prefers rich, well-draining, slightly acidic soil. : Feed every 2–4 weeks during spring and

Golden Trumpet, Allamanda cathartica - Wisconsin Horticulture slightly acidic soil. Golden Trumpet

To thrive, Allamanda cathartica requires conditions that mimic its native tropical habitat: