Rhododendron 'Earl of Athlone' (Earl of Athlone Rhododendron)
Botanical Information
Family | Ericaceae |
Genus | Rhododendron |
Cultivar | 'Earl of Athlone' |
Category | Woody |
Type | Shrub (evergreen) |
Origin | A cross between R. Queen Wilhelmina x R. Stanley Davis. Cultivated by C.B. van Ness. |
Details
USDA Hardiness Zone | 7 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 8 |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5-H6 |
RHS Hardiness Ref. | |
Temperature (°C) | -17.8-(-12.2) |
Temperature (°F) | 0-10 |
Height | 1.5-2 m |
Spread | 1.5-2 m |
Growth | Medium |
Flowering Period | April, May, June |
Description and Growing Information
Propagation | Propagated by stem cuttings. |
Cultivation | Consistently moist, well drained, acidic soils. |
Notable Specimens | National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. |
Leaf Description | The long, narrow leaves are dark green. |
Flower Description | The dome-shaped flowers are bright red and features 15-20 petals. They grow 10-15 cm across. |
Photographs
![Rhododendron 'Earl of Athlone', form. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. Rhododendron 'Earl of Athlone', form. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Rhododendron-Earl-of-Athlone-tre-frm.jpg)
Rhododendron 'Earl of Athlone', form. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
![Rhododendron 'Earl of Athlone', flower. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. Rhododendron 'Earl of Athlone', flower. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Rhododendron-Earl-of-Athlone-tre-flw.jpg)
Rhododendron 'Earl of Athlone', flower. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
![Rhododendron 'Earl of Athlone', bud. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. Rhododendron 'Earl of Athlone', bud. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.](photos/Rhododendron-Earl-of-Athlone-tre-bd.jpg)
Rhododendron 'Earl of Athlone', bud. National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.