Allamanda schottii (Bush Allamanda)


Botanical Information

FamilyApocynaceae
GenusAllamanda
Speciesschottii
SynonymsA. nerifolia, A. cathartica var. schottii
CategoryTropicals
TypeShrub (evergreen)
OriginSouth America. Genus named after Frederich Allamand (1735 - c1795), a Swiss botanist and physician.
Ethnobotanical Uses
Disclaimer
Stems exude a toxic milky sap.

Details

USDA Hardiness Zone10 - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H1c
RHS Hardiness Ref.
Temperature (°C)-1 - 10
Temperature (°F)30 - 50
Height90 - 120 cm
Spread90 - 120 cm
Flowering PeriodMay, June, July, August, September, October

Description and Growing Information

General DescriptionA tropical evergreen shrub with clusters of yellow, trumpet-shaped flowers.
ShapeShrubby habit.
LandscapeGrown as a hedge in tropical areas, or as a container plant (although can be difficult, due to it's large size).
PropagationPropagate by soft stem tip cuttings.
CultivationGrow in full sun in a rich, well-drained soil. Removing spent flowers will promote greater bloom.
PestsScale, mealy bugs and leaf spot may occur, and red spider mites and whitefly can cause problems for indoor specimens.
Notable SpecimensVilla St. Lucia, Tagaytay, Phillippines.
Leaf DescriptionLeathery, dull green leaves, to 10 cm in length, appearing in whorls of 3-5 along the stem.
Flower DescriptionYellow, trumpet-shaped flowers with orange-red throat stripes. Freely blooms throughout summer to first frost.
Fruit DescriptionFruit is prickly and burlike, which is sometimes used in floral arrangements.

Photographs