Quercus robur
English Oak, Truffle Oak, Pedunculate Oak
Europe, northern Africa, western Asia
Broadly rounded open-headed form. Fast growth rate, up to 3 feet per year.
Well-drained soil with full sun; pH tolerant.
Good large shade tree tolerant of city conditions. English Oak is too large for most residential landscapes, but becomes a dramatic tree for a large park or cemetary.
Dark green in summer. Alternate, simple, 2 to 5 inch long with rounded lobes; obovate, auriculate leaf base with short petiole.
Buds are imbricately scaled, plump, about .25 inches long. Chestnut- brown.
Dark-brown to almost black, ridged and furrowed.
Insignificant, yellow-green, blooms in April.
Nut (acorn), elongated to 2 inch long, involucre (cup covering one-third of nut,borne singly or in clusters on a 2 to 5 inch peduncle.
Cultivars are grafted onto seedling understock
'Asplenifolia' - Leaves deeply cut and fernlike. Fine texture.
'Fastigiata' - Upright and columnar.
