Rhododendron 'Queen of Hearts' (Queen of Hearts Rhododendron)
Botanical Information
Family | Ericaceae |
Genus | Rhododendron |
Cultivar | 'Queen of Hearts' |
Category | Woody |
Type | Shrub (evergreen) |
Origin | Hybridized by Rothschild (1949). Parentage (Seed Parent x Pollen Parent): meddianum x Moser's Maroon |
Details
USDA Hardiness Zone | 6b |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 7 |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H6 |
RHS Hardiness Ref. | |
Temperature (°C) | -21 |
Temperature (°F) | - 5 |
Height | 2 m |
Growth | Medium |
Flowering Period | April, May |
Description and Growing Information
General Description | Dark red buds open to black-red flowers forming a well rounded truss. The large leaves are bright green with a prominent yellow midrib. |
Landscape | Best suited to larger gardens with mixed larger trees to provide the dappled shade it prefers. |
Propagation | Propagate by semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter. |
Cultivation | Grow in moist but well-drained, leafy, humus-rich acid soil in a sheltered position in part shade. |
Pests | Vine weevil, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars, aphids, powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus |
Notable Specimens | National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. |
Habitat | Horticultural origin. |
Flower/Leaf Bud Description | Dark red buds. |
Leaf Description | Elliptic-lanceolate, 15 cm long, medium green above, brown indumentum below. Compact, upright habit. |
Flower Description | Campanulate, 10 cm across, dark crimson with black spots on the upper lobes. Dome-shaped trusses of 16 flowers. |
Photographs
Rhododendron 'Queen of Hearts', form, National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Rhododendron 'Queen of Hearts', leaf, National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Rhododendron 'Queen of Hearts', flower, National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Rhododendron 'Queen of Hearts', flower, National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.
Rhododendron 'Queen of Hearts', bark, National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom.