Allamanda Cathartica -
: The leaves are glossy, leathery, and dark green, typically arranged in whorls of 3 or 4 along the stems.
Golden Trumpet, Allamanda cathartica - Wisconsin Horticulture
Allamanda cathartica , most commonly known as the , is a vigorous evergreen tropical vine or shrub prized for its large, flamboyant yellow flowers. Native to South America, it has become a staple in tropical landscapes worldwide due to its rapid growth and year-round blooming in warm climates. Physical Characteristics allamanda cathartica
To thrive, Allamanda cathartica requires conditions that mimic its native tropical habitat:
: Needs at least 6 hours of direct sunlight daily for maximum blooming. Soil : Prefers rich, well-draining, slightly acidic soil. : 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
: 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. It is sensitive to frost and should be
: 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
