Tsuga 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.
• PROPAGATION: Seed.
• PESTS: Scales, mites, wooly adelgid, but less prone to these than Tsuga caroliniana.
• RELATED SPECIES:
  • T. diversifolia - differs in the presence of pronounced white bands
    on the reverse side of the foliage and pubescent young stems.