Quercus macrocarpa

Quercus macrocarpa

  • BOTANICAL NAME: Quercus macrocarpa
  • PRONUNCIATION: KWER-kus ma-kro-CAR-pa
  • COMMON NAME: Bur or Mossy-cup Oak
  • FAMILY: Fagaceae
  • NATIVITY: Canada and upper Midwest to Texas (in higher elevations).
  • GROWTH HABIT: Somewhat pyramidal to oval in youth becoming broad-crowned with age. Can be irregular and shrubby. Slow growth rate, 70'-80' (100') tall.
  • HARDINESS: Zone 2-8
  • CULTURE: Rich, deep, well-drained soils in full sun. Adaptable to many different soils.
  • SUCCESSIONAL STATUS:  Climax
  • FACULTATIVE STATUS:  Facultative Upland
  • LANDSCAPE USE: Taprooted and difficult to transplant; drought- resistant.
  • FOLIAGE: Alternate, simple, 4"-10" long, obovate, base wedge-shaped, leaf shaped like a fiddle. There are 2-3 rounded lobes on upper half of leaf and 5-7 additional lobes on lower half of leaf. Yellow-brown blotchy fall color.
  • BUDS: 1/8" - 1/4".
  • BARK: Thick, rugged, ridged, dark gray.
  • FRUIT: Nut (acorn) ¾" to 1 ½" long. Involucre (cup) covers ½ to ¾ of nut and is fringed. Acorn matures first year.
  • PROPAGATION: Seed.
  • PESTS: Numerous.
  • CULTIVARS:

 

University of Delaware

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