Quercus rubra (Red Oak)
Also known as: synonym Q. borealis Michx. f.
Native: The eastern half of North America from central Florida and Texas to northern Canada.
This is the best growing oak introduced from North America to Europe; young trees may grow at the rate of 2.5m per year.
Leaves are 10-22.5cm long. They are a lovely bright yellow for the first three weeks; the autumn colour is deep red to brown.
The bark is rich is tannin and used in tanning leather.
Flowers appear in May, the red females can be seen in axils of the new leaves.
Acorns 1.8cm long, take two years to mature and fall in October.