Carya ovata
Shagbark Hickory
Family |
Juglandaceae |
Genus |
Carya |
Species |
ovata |
Category |
Woody |
Type |
Tree (deciduous) |
Pronunciation |
USDA Hardiness Zone |
4 - 8 |
Canadian Hardiness Zone |
2a - 7a |
RHS Hardiness Zone |
H5 - H7 |
Temperature (°C) |
-15 - (-20) |
Temperature (°F) |
5 - (-4) |
Height |
21 - 27 m |
Spread |
15 - 21 m |
Landscape |
Ornamental use. |
Cultivation |
Full sun and partial-shade. Moist, well-drained, rich, humusy loam soils. |
Shape |
Large, tall and irregular. |
Growth |
Slow |
Pests |
Hickory bark bettle, pecan weevil and twig girdler cam be a problem. Anthracnose and leaf spot are occasional diseases. |
Habitat |
Climax forests, dry upland wooded slopes, hills, valleys and lowland woods. |
Bark/Stem Description |
Trunks mature to 60 - 90 cm in diameter. Young trees bark exfoliates as it ages. The exfoliation is more recurved and pronounced. |
Flower/Leaf Bud Description |
Imbricate, terminal 1-2.5 cm long, broadly ovate, blunt pointed with 2-4 ridges. |
Leaf Description |
Odd-pinnate, compound leaves, each having 5 finely-toothed, broadly lance-shaped and pointed leaflets. 7 - 17 cm long. |
Flower Description |
Non-sowy, monoecious flowers appear in April-May. Male flowers are in pendulous catkins that are 7 - 12 cm long while the female flowers are short spikes. |
Fruit Description |
Female flowers give way to an edible, oval-rounded nut. Enclosed in a hick husk that splits open in four sections when it ripens in autumn. |
Colour Description |
The leaves are a medium yellowish-green and turn a yellowish-golden brown in autumn. The flowers are greenish-yellow. The bark is grey in colour. |
Texture Description |
The bark on young trees are smooth. |
Notable Specimens |
The Vineland Research and Innovation Centre, Vineland, Ontario, Canada. Westonbirt, The National Arboretum, Tetbury, Gloucestershire, England. Parkhill Conservation Area, Parkhill, Ontario, Canada. |
Propagation |
Nuts, soaked in water at room temperature for 2 - 4 days with water changes 1 - 2 times per day. Stratify in a moist medium at 4°C for 30 - 150 days. Plant in containers, cover with a screen and place outside over winter. Germination in the spring. Produces a pronounced tap root with minimal shoot growth in the first year. Cultivars are budded or grafted on seedling understocks. |
Ethnobotanical Uses (Disclaimer) |
Nuts were an important food source to Native Americans and early settlers. Are commercially sold today. Hickory wood is used to cure/smoke meats. Also an excellent firewood/fuel. The wood is used to make a variety of products including tool handles, ladders, gun stocks and furniture. |