Allamanda

Allamanda cathartica

Allamanda (Allamanda cathartica) is a fast-growing shrub, hardy in USDA zones 10-11, that matures to about 10-20 ft × 3-6 ft. It does best in full sun with medium water needs in well-drained and occasionally-wet soil. Expect yellow blooms in fall and summer. It attracts butterflies, grows happily in containers.

USDA zones

10-11

Sun

Full sun

Water

Medium

Mature size

10-20 ft × 3-6 ft

Growth rate

Fast

Maintenance

Medium

Soil

Well-drained, Occasionally-wet

Foliage

Green

Bloom color

Yellow

Bloom season

Fall, Summer

Attracts

Butterflies

Watch out for

Poisonous to humans

Native to

Central and South America