Allamanda cathartica 'Williamsii'

Also Known As

Williamsii Golden Trumpet

Plant type

vine

size

H: 3'-12'
W: 3'-12'

planting zones

10a-12

More Options

Allamanda cathartica 'Williamsii' plant details

Allamanda cathartica 'Williamsii' is a broadleaf evergreen vine with green foliage. In fall, spring and summer yellow flowers emerge. Attracts butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and regular - occasional water. Does well in average and well-drained soil. A good option if you're seeking something heat tolerant and humidity tolerant.

CHARACTERISTICS OF Allamanda cathartica 'Williamsii'

Plant type: vine
Plant family: apocynaceae
Foliage: evergreen green
Mature size: 3 FT - 12 FT - wide, 3 FT - 12 FT - tall
Flowers: yellow blooms in fall, spring and summer
Uses: container plant, fragrant, houseplant, tropical-looking, year round interest

GROWING CONDITIONS for Allamanda cathartica 'Williamsii'

USDA Zones: 10a - 12
Sun exposure: sun - mostly sun
Watering frequency: regular - occasional
Resistant to: heat and humidity
Soil needs: average and well-drained

Nursery contributed plant descriptions

Almost year-round evening fragrance from the multitude of flowers makes this allamanda one of the finest plants in cultivation. The rich, dark green leaves nicely complement its 4" wide jonquil-yellow trumpets.