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Wisconsin's Tropical Gardens

Plant Profile Series


ALLAMANDA - Golden Trumpet

alt Allamanda Allamandas originate in South America, mainly in Brazil. It is a robust, shrubby tropical plant with long, whorled, waxy, leaves. The flowers are beautiful yellow, funnel-shaped trumpets.

LIGHT:The Allamanda does best as an outdoor or patio plant. Bring plant indoors over the winter. It is a most successful bloomer in a bright sunny location with at least 4 hours of direct sunlight per day.

TEMPERATURE: Allamandas like warm temperatures of no less than 60 degrees at night and daytime temperatures of 70° or higher.

WATER: Keep the soil moist and fertilize every two weeks during the growing season, less or no food the rest of the year.  Water moderately during the growing season and sparingly in the winter.

Take stem cuttings to propagate in early spring.  Use a rooting hormone and provide bottom heat. Prune the branches back in the early spring to keep growth tight and thick.

A seasonal spring and summer plant, this is most often seen in 6" and 10" pots.