Quercus phellosQuercus phellos

  • BOTANICAL NAME: Quercus phellos
  • PRONUNCIATION: KWER-kus FEL-os
  • COMMON NAME: Willow Oak
  • FAMILY: Fagaceae
  • NATIVITY: Mid-Atlantic coast to southern and western U.S.
  • GROWTH HABIT: Gracefully pyramidal becoming broadly oval; 40'-60' (100') tall. Medium to fast growth rate.
  • HARDINESS: Zone 5-9; damage noted at -10oF.
  • CULTURE: Moist, well-drained, acid soils in full sun or light shade.
  • SUCCESSIONAL STATUS:  Climax
  • FACULTATIVE STATUS:  Facultative
  • LANDSCAPE USE: A good street tree with an easily transplanted fibrous root system.
  • FOLIAGE: Alternate, simple, lance-shaped, without lobes or teeth; 2"-5 ½" long x ¼" - 1" wide. No autumn color.
  • BUDS: Pinlike twigs with sharp buds, chestnut-brown color.
  • BARK: Shallowly ridged and furrowed bark, gray-brown color.
  • FRUIT: Nut (acorn) ½" long or less, involucre (cup) small and saucerlike.
  • PROPAGATION: Seed.
  • PESTS: None serious.
  • CULTIVARS:

 

University of Delaware

University of Delaware Botanic GardensNewark, DE 19716Phone: 302 831-0153