Tsuga diversifolia

northern Japanese hemlock

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  • © Richie Steffen / Great Plant Picks

Outstanding Qualities

Pendulous branches bear richly elegant foliage of glossy dark evergreen needles with bright white undersides and a notch at the tip. Northern Japanese hemlock has a conical habit and may have multiple trunks. The trunk and older branches develop orange-brown bark. This handsome conifer is quite harmonious for the Pacific Northwest landscape and typically does not grow as large as the native western hemlock (Tsuga heterophylla).

Quick Facts

Plant Type: pyramidal conifer

Foliage Type: evergreen

Plant Height: 10 ft. 0 in. (3.05 meters)

Plant Width/Spread: 6 ft. 0 in. (1.83 meters)

Plant Height-Mature: 40 ft. 0 in. (12.19 meters)

Plant Width-Mature: 20 ft. 0 in. (6.10 meters)

Hardiness: USDA Zones 5 to 9

Sun/Light Exposure: light to dappled shade

Water Requirements: regular watering

Seasonal Interest: year-round coniferous evergreen foliage

Colors & Combos

Great Color Contrasts: silver, burgundy, gold

Great Color Partners: dark green, chartreuse, blue

Culture Notes
Tsuga diversifolia grows best in well-drained soil with regular watering during the dry season. It resents hot, full-sun sites and should be grown in shaded to partially shaded conditions. It is resistant to hemlock woolly adelgid and is relatively pest and disease free.