Ilex crenata 'William Jackson' (William Jackson Japanese Holly, William Jackson Box-Leaved Holly)
Botanical Information
| Family | Aquifoliaceae |
| Genus | Ilex |
| Species | crenata |
| Cultivar | 'William Jackson' |
| Category | Woody |
| Type | Shrub (evergreen) |
Details
| USDA Hardiness Zone | 5 - 8 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4a - 8a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -29 - (-7) |
| Temperature (°F) | -20 - 20 |
| Height | 1.5 - 3 m |
| Spread | 1.5 - 3 m |
| Growth | Slow |
| Flowering Period | April, May |
Description and Growing Information
| General Description | Ilex crenata 'William Jackson' is an evergreen shrub of the holly family with glossy green, curving leaves. |
| Shape | Rounded. |
| Landscape | Can be used as a hedge, screen or border planting. |
| Cultivation | Grow in full sun to part shade, in moist, well-drained soil. |
| Notable Specimens | RHS Garden Rosemoor, North Devon, England. |
| Habitat | Horticultural origin. |
| Leaf Description | Curving, glossy green with serrate margins (teeth pointing forward), apex mucronate (ending in a sharp point). |
Photographs
