Woody > Rhododendron > Rhododendron macabeanum × sinogrande > Rhododendron macabeanum × sinogrande
Rhododendron macabeanum × sinogrande
Origin: Northeastern India. Introduced into United kingdom by Frank Kingdon-Ward (1885-1958) in 1928.
| Family |
| Ericaceae |
| Genus |
| Rhododendron |
| Species |
| macabeanum × sinogrande |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| USDA Hardiness Zone |
| 8b - 9a |
| Canadian Hardiness Zone |
| 8 |
| RHS Hardiness Zone |
| H4 |
| Temperature (°C) |
| -10 - (-5) |
| Temperature (°F) |
| 14 - 23 |
| Height |
| 15 m |
| Spread |
| 6 m |
Photographs
Cultivars
click to expand
Description and Growing Information
Flowering Period
| Landscape |
| Low maintenance architectural cottage and informal gardens. |
| Cultivation |
| Prefers partial-shade. Plant in moist but well-drained and slightly acidic soil. |
| Growth |
| Medium |
| Pests |
| Vine weevils, scale insects, honey fungus, powdery mildew, and bud blast. |
| Leaf Description |
| Evergreen, heavily-veined leaves to 30 cm long, dark green above and felted grey-white beneath. |
| Flower Description |
| Large trusses of up to 30 trumpets. |
| Notable Specimens |
| Trengwainton Garden, Madron, near Penzance, Cornwall, United Kingdom. |
| Propagation |
| Semi-ripe cuttings in late summer, layering in autumn and grafting in late summer or winter. |
top