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Golden trumpet

The Allamanda cathartica  is native of South America (French Guyana, Guyana, Brazil, Surinam, Venezuela), where it lives preferably in sunny locations, at the borders of the forests, and on the banks of the rivers.

Sarmentose, evergreen, vigorous shrub, which can reach the 6 metres of height, with oblong lanceolate leaves, of a glossy pale green colour, long up to 15 cm; the inflorescences are terminal and axillar with bright yellow flowers of about 8 cm of diameter, produced for a good part of the year. Plant of great ornamental value for the tropical, and marginally subtropical, climates, is to be cultivated in full sun and in sandy soils, humid, preferably acid or neutral. Elsewhere it can be cultivated as annual, seen its fast growth, or in pot in order to be sheltered in winter in luminous space with temperatures which are better not to lower under the +15°C. 

  • Category Indoor plants
  • Genus Allamanda
  • Species cathartica
  • Families Apocynaceae
  • Habit Shrub-climber
  • Climatic Zones Tropical USDA 11
  • Leaves Semi-evergreen
  • Flower Simple flower
  • Geographical Area of Origin South America
  • Flowering and Fruiting Period October / September / August / July
  • Form Pyramid
  • Colore Fiori Giallo
  • Colore Foglie Verde
  • Colore Frutti Marrone
  • Parfumed yes
  • Favorite soil Sub-acid / medium acid / Middle-Dough / Medium soil
  • Water needs Medium
  • Light Exposure Full light / Full sun / Medium shade / Half shade
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