Allamanda Cathartica Link

Golden Trumpet, Allamanda cathartica - Wisconsin Horticulture

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

: Produces trumpet-shaped, bright yellow blossoms that can reach up to 5 inches (12.5 cm) in diameter. Some varieties, like 'Hendersonii', feature reddish-brown buds. allamanda cathartica

: The leaves are glossy, leathery, and dark green, typically arranged in whorls of 3 or 4 along the stems.

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

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

: 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 It lacks tendrils or aerial roots, so it

: 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