Alnus japonica

Also Known As

Japanese Alder

Plant type

tree

size

H: 50'-80'
W: 25'-45'

planting zones

5a-9b

Alnus japonica plant details

Alnus japonica is a broadleaf deciduous tree with green foliage. In spring chartreuse and green flowers emerge followed by brown fruit. Attracts birds. Grows well with sun - dappled shade and even moisture - regular water. Adapts to various soil conditions. Does well in acidic, average, clay, gritty, lean, rich and well-drained soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Alnus japonica

Plant type: tree
Plant family: betulaceae
Foliage: deciduous green
Mature size: 25 FT - 45 FT - wide, 50 FT - 80 FT - tall
Flowers: chartreuse and green blooms in spring

GROWING CONDITIONS for Alnus japonica

USDA Zones: 5a - 9b
Sun exposure: sun - dappled shade
Watering frequency: even moisture - regular
Resistant to: humidity and verticillium wilt
Soil needs: acidic, average, clay, gritty, lean, rich and well-drained

Nursery contributed plant descriptions

"A striking species" (Hillier) this med-large (50-80') pyramidal tree is unique because of its glossy foliage, tapered at both ends, and its clusters of upright 2-3" male catkins in spring. S/M-W

By: Forestfarm

Garden photo gallery of Alnus japonica

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By: Forestfarm

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Gardening facts about Alnus japonica plant

How to Grow Alnus japonica

Sun Exposure
- sun - dappled shade
Water Needs
- even moisture - regular
Soil Needs
- clay
- acidic
- adaptable
- average
- lean
- well-drained
- rich
- gritty
Special Situation
- humidity tolerant
- verticillium wilt resistant