Clethra alnifolia 'Hummingbird' (Hummingbird Sweet Pepperbush)
Michael's Opinion
A dense mounding plant with dark green, glossy foliage turning yellow in autumn.
Botanical Information
| Family | Clethraceae |
| Genus | Clethra |
| Species | alnifolia |
| Cultivar | 'Hummingbird' |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | Discovered at Callaway Gardens, Columbus, Georgia, United States of America. Awarded a gold medal by the Pennsylvania Horticulture Society. |
Details
| USDA Hardiness Zone | 4 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 5 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -15 to -10 |
| Height | 0.5 -1 m |
| Spread | 0.5 m |
| Growth | Slow |
| Flowering Period | June |
Description and Growing Information
| General Description | Compact, slow spreading deciduous shrub with spicy clove-scented, creamy white spikes of flowers. A very elegant cultivar, giving attraction for 3 seasons. |
| ID Characteristic | Serrated dark green leaves. Small white flower spikes that have the unique ability to bloom in shady locations. |
| Landscape | Lawns and shrub borders. |
| Cultivation | Very wet to moist, well drained soil in full sun to partial shade. |
| Pests | No major issues. |
| Notable Specimens | The Gardens of Fanshawe College, London, Ontario, Canada. |
| Habitat | Horticultural origin. |
| Leaf Description | Oval, glossy, dark green turning a soft yellow in autumn |
| Flower Description | Spikes of off-white aromatic flowers. |
Photographs
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