Cork oak. The commercial source for high quality cork comes from this evergreen mediterranean native. A large growing tree with a rounded crown. To 35′ tall and half as wide. As the trunk grows (expands) it develops the corky bark very quickly. Harvest correctly and it does not harm the tree. In mid-spring golden tassels eventually become acorns- loved by wild life. Frequently planted as a street tree in the city of Portland. Very, very drought tolerant, in fact it really should not see any water during the summer. Eventually casts a good amount of dark shade. Beautiful tree that is amazingly adaptable to freezing rain and snow. Grows about 2′- 4′ per year when established. Very climate adapted.
Quercus suber
Family: Fagaceae Genus: Quercus
Plant type: Tree
Biomes/Growing conditions: Hot Aspects, Low Water/No Water
Sun exposure: Full Sun
USDA Hardiness zone: Zn7a 5º to 0ºF
Foliage color: Dark Green
Foliage season: Evergreen