Acer_griseumAcer griseum

  • BOTANICAL NAME: Acer griseum
  • PRONUNCIATION: A-ser GRIS-e-um
  • COMMON NAME: Paperbark Maple
  • FAMILY: Aceraceae
  • NATIVITY: Western China
  • GROWTH HABIT: Open, rounded; 20'x30' tall. Slow growth rate, 6"-12" per year.
  • HARDINESS: Zone 4-8
  • CULTURE: Sun to light shade.
  • LANDSCAPE USE: Outstanding winter bark character.
  • FOLIAGE: Opposite, compound, trifoliolate, 3"-6" long. Pubescent petiole and lower surface. Leaflets more or less uniformly serrate (see A. triflorum). Foliage emerges bronze and may turn a good red in fall.
  • BUDS: Sharply pointed, black, 1/16" - 1/8" long.
  • BARK: Copper-colored, exfoliating, very attractive.
  • FRUIT: Samara, approximately 1 ½" with wings borne at a 60o to 90o angle. Fruits pubescent and woody.
  • PROPAGATION: Seed or cuttings, difficult. Less than 5% of the seeds on most plants are viable.
  • PESTS: None serious.
  • CULTIVARS:
    • A. nikoense - Beautiful tree for fall color and bark, although the bark is inferior to the other trifoliate maples. Rare in the trade. Leaf and petiole more pubescent than A. griseum.
    • A. mandshuricum - Similar to A. nikoense and more difficult to find.

 

University of Delaware

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