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Woody > Rhododendron > Rhododendron edgeworthii > Rhododendron edgeworthii

Rhododendron edgeworthii


Edgeworth Rhododendron




Origin:  Himalaya's (Western China), introduced into cultivation by Joseph Hooker in 1849.
Family
Ericaceae
Genus
Rhododendron
Species
edgeworthii
Category
Woody
Type
Shrub (evergreen)
Synonyms
Rhododendron bullatum
USDA Hardiness Zone
8b - 9b
Canadian Hardiness Zone
9
RHS Hardiness Zone
H4 - H3
Temperature (°C)
-9.4 - (- 3.8)
Temperature (°F)
15 - 25
Height
1.2-5 m
Spread
1.8-2.4 m
Photographs
Description and Growing Information
Flowering Period
AprilMay
General Description
A spreading shrub with very dense foliage, growing up to 5 m in height.
Landscape
Informal hedge. Will provide a beautiful display of white flushed pink or pink flowers which are very appealing.
Cultivation
Prefers a humus rich friable sandy loam in a sunny position or in light shade
Shape
Low growing dome.
Growth
Fast
Pests
Suffers from vine weevils, white fly, scale insects, caterpillars, aphids and honey fungus.
Habitat
Mild, wet, richly acidic soil regions, lightly wooded and open meadow areas at lower elevations.
Bark/Stem Description
Dark brown-grey, mild fissures can be found on older growth.
Flower/Leaf Bud Description
Rose-colored flower buds
Leaf Description
Thick, glabrous, simple leaves in a lanceolate-elliptical shape, leathery texture, 6-18 cm long and 2-5 cm wide, growing in a whorled pattern. Dark green above, light green underneath.
Flower Description
Fragrant 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.
Fruit Description
The fruit is a dry capsule 1.5-2.5 cm in length, filled with many seeds.
Colour Description
Dark green glabrous foliage, white flushed pink or pink flowers with green, yellow or orange spots. The bark is a brownish-grey.
Texture Description
Medium-coarse.
Notable Specimens
Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Propagation
Seeds germinate easily without any special treatment to break dormancy. Cuttings should be treated with alcohol for 5 seconds, placed in a well drained media and misted.
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