Rhododendron
'Cynthia'
Cynthia Rhododendron
Family |
Ericaceae |
Genus |
Rhododendron |
Cultivar |
'Cynthia' |
Category |
Woody |
Type |
Shrub (evergreen) |
USDA Hardiness Zone |
5 - 8 |
Canadian Hardiness Zone |
6 |
RHS Hardiness Zone |
H5 - H7 |
Temperature (°C) |
-15 - (-20) |
Temperature (°F) |
5 - (-4) |
Height |
4 - 8 m |
Spread |
2 - 5 m |
Landscape |
Hedges, screens, architectural cottage and informal gardens. |
Cultivation |
Prefers full sun and partial-shade. Plant in moist but well-drained, leafy, humus-rich, slightly acidic soil. |
Shape |
Bushy and dome-shaped. |
Growth |
Medium |
Pests |
Vine weevil, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids may be a problem. Powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus may occur. |
Habitat |
Horticultural origin. |
Leaf Description |
Large oblong leaves. |
Flower Description |
Conical trusses of funnel-shaped flowers that are 8 cm wide and bloom in late spring. |
Colour Description |
The leaves are green. The flowers are deep pink. |
Notable Specimens |
Westonbirt, The National Arboretum, Tetbury, Gloucestershire, England. |
Propagation |
Grafting. |