Allamanda Flower Colors. Call now to order. Vigorous and fast-growing Allamanda blanchetii Purple Allamanda is an evergreen tropical shrubby climber boasting ravishing rose-purple trumpet flowers 3-4 in.
Allamanda or Golden trumpet scientific nameAllamanda cathartica is a tropical vine and half-hardy evergreen shrub of allamanda genus of the department Apocynaceae native to Guyana of South America. It contains milky sap. The clusters of golden trumpet-shaped blossoms appear on and off most of the year - more during warmer weather.
Allamanda plant is a Perennial plant and grows in habitat.
The leafy orange-like fruits are shown and made with a spear. Allamanda flower season is summer to autumn some cultivars can be in the spring the flowers color can be red pink but mostly yellow. 12112018 Photo by Matthew Gaston. They are the basic sources of food for all living beings on earth.