This perennial twiner has purplish woody stem that requires support or it may form a low shrubby habit. It has leathery glossy green oblong leaves and the golden yellow trumpet-shape flowers appear in a cluster throughout summer.

Hardiness zones 11 to 12

Allamanda cathartica is naturally found in tropical America growing in well drained fertile moist organic rich sandy soils in an open sunny position and is frost and drought tender. 

The Golden Trumpet Vine is grown for its large flowers and dense foliage. It is grown over a pergola for shade or along fences for screening and used for colour in tropical gardens. It is also grown as a prostrate shrub and can be trimmed to form an informal hedge. It establishes in 2 to 3 years and is suitable for coastal regions requiring little care. ID 309

Allamanda (ăl-a-MĂN-da)  cathartica (ka-THAR-ti-ka)

Apocynaceae (a-pos-ih-NAY-see-ee)