Abies homolepis

Nikko Fir

Pinaceae

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Habitat

  • native to Japan
  • zone 5

Habit and Form

  • evergreen tree
  • 30' to 50' tall and somewhat narrow; can grow to 100' or more
  • tree is densely covered in branches from base to top
  • pyramidal in shape even in old age
  • medium texture

Summer Foliage

  • roughly 1" long
  • entire margins
  • glossy, dark green
  • 2 broad stomatal bands on underside
  • needle apex is notched
  • needles densely cover stem, denser than most firs
  • needles held horizontally on branch are longer than those held vertical.

Autumn Foliage

  • no fall color (evergreen)

Flowers

  • no ornamental value
  • monoecious

Fruit

  • light brown cones
  • 4" long
  • cylindrical in shape
  • hidden bracts

Bark

  • new stems are yellow with an indented diamond pattern
  • new stems are glabrous
  • older bark is rough and scaly
  • brown in color
  • young bark is smooth with resin blisters

Culture

  • prefers moist, well-drained loam
  • full sun
  • prefers cooler climates
  • fairly wind tolerant, except for drying winter winds

Landscape Uses

  • nice accent tree
  • park tree
  • screen
  • massing

Liabilities

  • often damaged by deer
  • dislikes high pH
  • hard to locate plants

ID Features

  • needles have notched tip
  • very evident grooves in new stems
  • very dense needles
  • circular leaf scars
  • buds are conical and resinous
  • needle length shortens towards tip of stem, giving a tapered appearance
  • yellowish new stem color

Propagation

  • by seed

Cultivars/Varieties

None commonly available, but dwarf and spreading forms are known, such as 'Prostrata'.

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.