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Woody > Rhododendron > Rhododendron williamsianum > Rhododendron williamsianum

Rhododendron williamsianum


Williams Rhododendron




Origin:  Southwest China.
Family
Ericaceae
Genus
Rhododendron
Species
williamsianum
Category
Woody
Type
Shrub (evergreen)
USDA Hardiness Zone
7b - 8a
RHS Hardiness Zone
H5
Temperature (°C)
-15
Temperature (°F)
-5
Height
1 m - 1.5 m
Spread
1 m - 1.5 m
Photographs
Description and Growing Information
Flowering Period
AprilMay
General Description
A compact, small-spreading large shrub or small tree.
Landscape
City and urban courtyards and gardens, as a groundcover and in informal gardens.
Cultivation
Grow under partial shade in moist but well-drained, humus-rich acidic soil. Plant shallowly as deep planting may prove fatal over time.
Shape
Compact.
Growth
Medium
Pests
Caterpillars, aphids, vine weevil, leafhoppers, lacebugs and scales. May be susceptible to rhododendron petal blight, rhododendron bud blast, powdery mildews and silver leaf.
Flower/Leaf Bud Description
Small buds with 2 - 3 scales.
Leaf Description
Round-ovate simple leaves with a slight spade-shape and defined venation.
Flower Description
Tubular funnel-shaped flowers that either grow solitarily or in short racemes.
Colour Description
Reddish-brown branches and bark. Bright green foliage with pastel green venation. Light blush pink inflorescences. Reddish-brown buds.
Notable Specimens
University of British Columbia Botanical Garden, Vancouver, British Columbia, Canada. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Propagation
By seed, semi-hardwood cuttings, layering or grafting.
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