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Golden Trumpet

Allamanda cathartica

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Golden Trumpet (Allamanda cathartica) at Glenwild Garden Center

Golden Trumpet flowers

Golden Trumpet flowers

(Photo courtesy of NetPS Plant Finder)

Height:  7 feet

Spread:  24 inches

Sunlight:  full sun  partial shade 

Other Names:  Yellow Allamanda, Yellow Bell, Buttercup Flower


This attractive vine produces volumes of fragrant yellow trumpet flowers nearly all year long; does not twine and requires a trellis for support; perfect for cascading over containers; can also be maintained as a low cover

Features & Attributes

Golden Trumpet features showy clusters of fragrant yellow trumpet-shaped flowers with gold throats along the branches from early spring to late fall. Its attractive glossy pointy leaves remain dark green in color throughout the year.

This is a multi-stemmed evergreen houseplant with a spreading, ground-hugging habit of growth. This plant may benefit from an occasional pruning to look its best.

Planting & Growing

When grown indoors, Golden Trumpet can be expected to grow to be about 7 feet tall at maturity, with a spread of 24 inches. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. This houseplant will do well in a location that gets either direct or indirect sunlight, although it will usually require a more brightly-lit environment than what artificial indoor lighting alone can provide. It prefers to grow in average to moist soil. The surface of the soil shouldn't be allowed to dry out completely, and so you should expect to water this plant once and possibly even twice each week. Be aware that your particular watering schedule may vary depending on its location in the room, the pot size, plant size and other conditions; if in doubt, ask one of our experts in the store for advice. It is not particular as to soil type or pH; an average potting soil should work just fine.

There are many factors that will affect the ultimate height, spread and overall performance of a plant when grown indoors; among them, the size of the pot it's growing in, the amount of light it receives, watering frequency, the pruning regimen and repotting schedule. Use the information described here as a guideline only; individual performance can and will vary. Please contact the store to speak with one of our experts if you are interested in further details concerning recommendations on pot size, watering, pruning, repotting, etc.


Hardiness Zone Plant Height Minimum Sunlight
Accent  Screening  Container 
Flowers  Foliage Color  Attracts Wildlife 
Ornamental Features