Rhododendron edgeworthii (Edgeworth rhododendron)


Botanical Information

FamilyEricaceae
GenusRhododendron
Speciesedgeworthii
SynonymsRhododendron bullatum
OriginHimalaya, W China. Introduced by Joseph Hooker in 1849.

Details

USDA Hardiness Zone8b - 9b
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H3
RHS Hardiness Ref.
Temperature (°C)-9.4 - (- 3.8
Height1.2-1.8 m
Spread1.8-2.4 m

Description and Growing Information

Notable SpecimensTrebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Flower/Leaf Bud DescriptionRose-colored flower buds
Flower DescriptionFragrant white, white flushed pink or pink flowers, sometimes with a yellow blotch near the base of the tube. Each inflorescence typically contains 2-3 flowers with the individual funnel-campanulate corollas up to 10 cm in length and up to 12 cm in diameter. The large and often deeply lobed calyx ranges in colour from pink to green flushed with red. It is usually covered with a more or less dense indumentum of silky hairs.

Photographs