Allamanda cathartica ‘Indonesia Sunset’ is a cultivar of the Allamanda, which is native to tropical South America. To be more precise it is native to Brazil. It is part of the Apocynaceae family of plants.
Allamanda cathartica ‘Indonesia Sunset’ is sometimes called Allamanda ‘Indonesia Sunset’, Golden Trumpet, Common Trumpet Vine, or Allamanda cathartica ‘Jamaican Sunset‘. It is a perennial climber. It is tropical. And it is evergreen. It has orange-colored trumpet flowers.
Allamanda is named after Frédéric-Louis Allamand (1736-1809). He was a Swiss botanist. Karl Friedrich Philipp von Martius (1794-1868) published it in Flora Brasiliensis. He was a German botanist and explorer. Together with John Baptist von Spix, he traveled to Brazil supported by the King of Bavaria, Maximillian I Joseph.
Allamanda cathartica ‘Indonesia Sunset’ can grow to about 6m or 20ft. The foliage is leathery, elliptic. It is bright green.
The flowers are trumpet-shaped. The color is peach. The flower has five petals, and it has five-lobed sepals. The flowers are about 10cm o 4in. After flowering, Allamanda cathartica ‘Indonesia Sunset’ produces seed pods.
How to grow Allamanda cathartica ‘Indonesia Sunset’:
Grow Allamanda cathartica ‘Indonesia Sunset’ in the sun or partial shade. Plant it in humus-rich and well-drained soil. It does not like to be water-logged. But it requires moisture and humidity.
Prune it to shape. Allamanda cathartica ‘Indonesia Sunset’ is poisonous. When cut it produces latex that can irritate the skin. It is generally disease-free. Watch out for mealybugs.