Tsuga seiboldiiTsuga seiboldii

  • BOTANICAL NAME: Tsuga sieboldii
  • PRONUNCIATION: SU-ga see-BOL-d-i
  • COMMON NAME: Southern Japanese Hemlock
  • FAMILY: Pinaceae
  • NATIVITY: Japan, in moist mountain sites.
  • GROWTH HABIT: Irregular, conical, small tree, with a stiffer habit than Canada Hemlock.
  • SIZE: 15 - 45' in cultivation, to 90' in its native habitat.
  • HARDINESS: Zone 5 - 8.
  • CULTURE: Sun to light shade and moist well drained soil.
  • LANDSCAPE USE: Small specimen tree.
  • FOLIAGE: Alternate, loosely arranged on the stem. 1/4 - 1" long with an emarginate apex. Glaucous bands not distinct on back of leaves.
  • BUDS: Small, ovate, yellow-brown.
  • BARK: Young twigs glabrous.
  • FRUIT: Cone 3/4 - 1" long, individual scales cupped not opening to 90o to the central axis.
  • PESTS: Scales, mites, wooly adelgid, but less prone to these than Tsuga caroliniana.
    • T. diversifolia - differs in the presence of pronounced white bands
      on the reverse side of the foliage and pubescent young stems.




University of Delaware

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