Allamanda Cathartica May 2026

Golden Trumpet, Allamanda cathartica - Wisconsin Horticulture

: Keep the soil consistently moist during the growing season but never waterlogged, as it is susceptible to root rot. allamanda cathartica

: While naturally a sprawling woody climber that can reach 15–20 feet in length, it can be pruned into a compact shrub or hedge. It lacks tendrils or aerial roots, so it must be physically tied to supports like trellises or fences. Essential Care Guide slightly acidic soil.

: Needs at least 6 hours of direct sunlight daily for maximum blooming. Soil : Prefers rich, well-draining, slightly acidic soil. allamanda cathartica