Allamanda Cathartica (2025)

: 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

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

: The leaves are glossy, leathery, and dark green, typically arranged in whorls of 3 or 4 along the stems. : While naturally a sprawling woody climber that

: Keep the soil consistently moist during the growing season but never waterlogged, as it is susceptible to root rot. : The leaves are glossy, leathery, and dark

: 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