English Oak (Quercus robur)


Quick Facts

  • The leaf of the English oak is the national symbol of Croatia
  • During the English Civil War, King Charles II climbed up an English Oak to hide from the parliamentarian soldiers.


English oaks are large deciduous trees. Their leaves are an olive green color, lobed, short-stalked leaves 7-14 cm long. The leaves are arranged alternately and have an ear-shaped (auriculate) leaf base. English oaks flower in spring and their fruit, the acorn, is ripe by fall. The acorns are positioned on a peduncle (acorn stalk) with 1-4 acorns on each peduncle. The bark is ridged grey. The largest English oak in New York State is located in Nassau county and stands at 88 feet.