Woody > Quercus > Quercus glaucoides > Quercus glaucoides
Quercus glaucoides
Lacey Oak, Texas Blue Oak, Canyon Oak, Smoky Oak, Rock Oak
Origin: Native to southern and southwestern parts of the Edwards Plateau in Texas and in the Mexican states of Coahuila, Durango, Nuevo Leon, and Tamaulipas.
| Family |
| Fagaceae |
| Genus |
| Quercus |
| Species |
| glaucoides |
| Category |
| Woody |
| Type |
| Tree (deciduous), Shrub (deciduous) |
| Synonyms |
| Quercus laceyi |
| USDA Hardiness Zone |
| 7a - 7b |
| Canadian Hardiness Zone |
| Requires cold season protection under glass. |
| RHS Hardiness Zone |
| H6 - H5 |
| Temperature (°C) |
| (-17.7) - (-14.9) |
| Temperature (°F) |
| 0 - 5 |
| Height |
| Up to 18 metres |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| Landscape |
| Provides food and cover for deer, small mammals, and birds. |
| Cultivation |
| Grow in rich, medium moisture, well-drained soils in full part shade. |
| Shape |
| Slightly pyramidal when young, round when mature. |
| ID Characteristic |
| A medium-sized tree on good sites or a shrub on poor sites. |
| Habitat |
| Often found associated with limestone outcrops, woodland, and riparian zones with mixed stands of ash, basswood and other oaks, a component of the pine-juniper-madrone-oak forest type of northern Mexico |
| Bark/Stem Description |
| Multiple trunks or single trunk with erect, spreading branches that are light grey in colour with shallow furrows and scaly ridges. Young twigs are grey and pubescent, mature limbs become smooth and reddish-brown. |
| Flower/Leaf Bud Description |
| Smooth, brown ovoid buds. |
| Leaf Description |
| Deciduous, thick and oblong with a few shallow lobes. foliage is coloured in spring and autumn; dark-blue or grayish-green in summer. |
| Flower Description |
| Yellow |
| Fruit Description |
| 1 - 3 acorns on a short peduncle up to 10 mm in length, saucer- shaped cup with pubescent scales, covers up to 1/3 of the nut; oblong or barrel-shaped, usually blunt at both ends, up to 19 mm long. |
| Colour Description |
| Summer foliage takes on a smokey appearance. |
| Notable Specimens |
| Harry P. Leu Gardens, Orlando, Florida, United States of America. |
| Propagation |
| Propagated from seed. |
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