Quercus ilex is a large majestic tree. Its leathery leaves are dark glossy green above, and greyish downy beneath. A tree that takes pruning, and will also grow in a shady area. A salt tolerant tree. Quercus ilex is used a lot for screening.
Quercus robur is a slow growing broad-headed tree with rugged branches. Quercus robur is a tree to admire as a specimen. Quercus robur is renowed as a British stately tree. The oak wood is good for furniture making and building.
Quercus rubra is a fast growing broad-headed large tree. It has large green leaves turning ruby-red then brown in autumn.
Quercus suber is a rounded, evergreen tree with a thick corky bark. The dark green leaves are hairy-grey underneath. Produces acorns. Has flowers from May-June. Is a frost hardy tree, but needs protecting from cold, drying winds.