Yellow Allamanda, Common Trumpetvine, Allamanda
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Originating in the jungles of Brazil, Allamanda, widely known as Golden Trumpet is propagated from stem cuttings. As a vine and a shrub, it flourishes in warm and moist climates. Growing thickly, it gets covered in yellow bell-shaped flowers, making it a lovely option for a hedge screen. Be cautious when growing or handling Allamanda, as they secrete a white sap when damaged, which can be harmful. This vigorous tropical vine is a popular conservatory plant, producing clusters of striking yellow flowers contrasting with shiny dark green leaves.
As a prolific flowering vine and shrub, the flowers can be picked throughout spring and summer, but they do not last long.
Plant cuttings in Spring or Summer. Dig a 50 mm hole and insert a stem cutting which should have 2 or more buds on it in the hole and at least two buds for new leaves above soil level.
Allamanda is fast, tall growing plant with bright flowers and can be trained up a trellis or pruned to stay a certain height.
Allamanda is a medium feeder. Feed with a good blooming plant food in spring through summer every two to three weeks to encourage good growth and flowers .
South and Central America, Brazil
Warm, moist climate
Soil PH preference
Best grown as an indoor plant in the UK. It may be grown outside in wall side borders or pots of subtropical patio/courtyards providing it is frost free.
Allamanda may be bothered by spider mites and whiteflies. Spray the plant with a strong burst of water to remove the pests and follow with daily applications of horticultural soap or a Neem spray.