English Oak
Quercus robur f. fastigiata 'Koster'
Fagaceae
Other names
Truffle Oak, Pedunculate Oak
Growth habit
Tree
Perennation
Perennial
Location
Source of plant
Fantastic Plants
Description
Resistant to mildew, leaves are more blue green and the trees are faster growing than 'Fastigata'. Grows into a narrow column, 10-15' in ten years. Trees may mature at 50-60' and be only 10-15' wide.
USDA Hardiness Zone
4