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Allamanda cathartica/Allamanda

Allamanda cathartica / Allamanda cathartica
Vine growing on garden support structure
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Vine growing on garden support structure

Close-up of flowers, flower buds and foliage

Flowers and foliage of a plant growing in the conservatory at the Birmingham Botanical Garden

Bright yellow funnel-shaped flowers


White, cream, orange and pink are other colors of cultivated varieties

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Scientific Name: Allamanda cathartica
Common Name: Allamanda
Plant Type: Evergreen
Leaf Type: Broadleaf
Hardiness Zone: 10, 11 Determine Your Zone
Height: 5-8 feet
Spread: 3 -5 feet
Bloom time: Spring, Summer, Fall
Flower color: Yellow
Light Exposure: Sun
Drainage: Well drained, Moist, Dry
Rate of Growth: Moderate
Water Requirement: Medium
Maintenance Level: Low
Susceptible to insects
and diseases:
Landscape Categories: Tropical, Exotic, and Indoor Plants
Comments: This tropical has large yellow flowers most of the year in its zones of hardiness and during the warm months elsewhere. Has white milky sap that quickly oozes from broken surfaces. This plant can be trained as a vine or as a shrub-like specimen. Well suited for growing on arbors, lattice panels,pergolas and other garden structures. Also does well in container plantings. Cannot tolerate freezes.