Quercus robur

• BOTANICAL NAME: Quercus robur
• PRONUNCIATION: KWER-kus RO-ber
• COMMON NAME: English Oak
• FAMILY: Fagaceae
• NATIVITY: Europe, northern Africa, western Asia
• GROWTH HABIT: Broadly rounded open-headed form; 40'-60' (100') tall. Fast growth rate, up to 3' per year.
• HARDINESS: Zone 4-8
• CULTURE: Well-drained soil with full sun; pH tolerant.
• LANDSCAPE USE: Good large shade tree tolerant of city conditions.
• FOLIAGE: Alternate, simple, 2"-5" long with rounded lobes; obovate, auriculate leaf base with short petiole.
• BUDS: Imbricately scaled, plump, about 1/4" long. Chestnut- brown.
• BARK: Dark-brown to almost black, ridged and furrowed.
• FRUIT: Nut (acorn), elongated to 2" long, involucre (cup covering 1/3 of nut,borne singly or in clusters on a 2"- 5" peduncle.
• PROPAGATION: Seed; grafted cultivars.
• PESTS: Mildew, Gypsy Moth
• CULTIVARS:
  • 'Asplenifolia' - Leaves deeply cut and fernlike. Fine texture.
  • 'Fastigiata' - Upright and columnar.