Allamanda Species, Common Trumpetvine, Brown Bud Allamanda, Golden Trumpet, Yellow Allamanda
Allamandacathartica

Family: Apocynaceae (a-pos-ih-NAY-see-ee)
Genus: Allamanda (al-uh-MAN-da)
Species: cathartica (kat-AR-tik-uh)

Category

Vines and Climbers

Water Requirements

Requires consistently moist soil; do not let dry out between waterings

Sun Exposure

Sun to Partial Shade

Foliage

Evergreen
Shiny/Glossy

Foliage Color

Unknown

Height

10-12 ft. (3-3.6 m)

Spacing

4-6 ft. (1.2-1.8 m)

Hardiness

USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Unknown

Danger

All parts of plant are poisonous if ingested

Bloom Color

Bright Yellow

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Mid Summer
Late Summer/Early Fall

Other details

Unknown

Soil pH requirements

5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)

Patent Information

Non-patented

Propagation Methods

From softwood cuttings
From hardwood cuttings

Seed Collecting

Allow seedheads to dry on plants; remove and collect seeds