Quercus x jackiana 'Jefmir' (Admiration® Hybrid Oak)
Botanical Information
| Family | Fagaceae |
| Genus | Quercus |
| Species | x jackiana |
| Cultivar | 'Jefmir' |
| Registered Name | Admiration® |
| Category | Woody |
| Type | Tree (deciduous) |
| Origin | Introduced by Jeffries Nurseries it is a hybrid oak (Q. alba x Q. bicolor) found in Saskatoon, Saskatchewan, by Dr. Philip Ronald. |
Details
| USDA Hardiness Zone | 2 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 0 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -46 - (-40) |
| Temperature (°F) | -50 - (-40) |
| Height | 12 m |
| Spread | 9 m |
| Growth | Fast |
Description and Growing Information
| General Description | A hybrid oak with shaggy bark and glossy, dark green foliage that turns golden yellow in in the autumn with the leaves retained into the winter months. |
| Shape | Pyramidal form. |
| Landscape | Excellent specimen tree. |
| Cultivation | Grow in full sun in a well-drained, medium-textured, moist soil. |
| Pests | No notable pest or disease problems. |
| Habitat | Horticultural origin. |
| Bark/Stem Description | Shaggy bark. |
| Leaf Description | Leaves are a dark glossy green, turning gold in autumn and remain throughout the winter. |