Golden Trumpet, Yellow Allamanda, Brown Bud Allamanda 'Hendersonii'

Allamandacathartica

Family
Apocynaceae (a-pos-ih-NAY-see-ee)
Genus
Allamanda (al-uh-MAN-da)
Species
cathartica (kat-AR-tik-uh)
Synonym
Allamanda cathartica var. hendersonii
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Shiny/Glossy
Height
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Vines and Climbers
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
Patent Information
Propagation Methods
From softwood cuttings
From hardwood cuttings
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Dothan, Alabama

Fort Myers, Florida

Lake Worth, Florida

Longwood, Florida

Ocklawaha, Florida

Port Charlotte, Florida

Port Orange, Florida

Safety Harbor, Florida

New Orleans, Louisiana

La Porte, Texas

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Gardener's Notes:

2
positives
0
neutral
0
negative
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B
Zephyrhills, FL (Zone 9b) | April 2006 | positive

Gorgeous when I was in Puerto Rico .. this plant / bush is all over the place in the top end resorts, pool side etc in the landscape. In ...Read More

M
Gainesville, FL | May 2005 | positive

My original Allamanda came from cuttings from a plant which was over 12 feet tall. I kept mine trimmed to bush size, in full sun. It ne...Read More

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