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A picture of a Golden Trumpet

Golden Trumpet

Allamanda cathartica

Also known as

Yellow Allamanda, Common Trumpetvine, Allamanda, Yellow bells, Buttercup flower, Golden trumpet vine

Allamanda cathartica 1 by Franz Xaver (CC-BY-SA-3.0)

Full Sun
Easy care
Moderate watering
Tender

H1b

RHS hardiness

10°C

Minimum temperature

Expected size

Height
Spread

8m

Max

1m

1m

Min

50cm

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

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A photo of Golden Trumpet
A photo of Golden Trumpet
A photo of Golden Trumpet
A photo of Golden Trumpet
A photo of Golden Trumpet

Golden Trumpet Overview

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.

Common problems with Golden Trumpet

Allamanda may be bothered by Spider Mites and Whiteflies. Both can cause leaf discolouration and loss of vigour.

How to harvest Golden Trumpet

As a prolific flowering vine and shrub, the flowers can be picked throughout spring and summer, but they do not last long.

How to propagate Golden Trumpet

Cuttings

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.

Seed

Special features of Golden Trumpet

Hedge plant

Allamanda is fast, tall growing plant with bright flowers and can be trained up a trellis or pruned to stay a certain height.

Attractive flowers

Crop rotation

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 .

Other uses of Golden Trumpet

Ornamental

Ornamental

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.

Yellow Flowering Summer Plants

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