Japan and Korea are home to the Japanese Alder tree. It reaches a height of 40-60 feet and a width of 30-50 feet. In Northeast Asia and Japan, the Japanese Alder tree may be found along streambanks, marshes, and roadside. From February through March, it blooms. In Japan, this is an important source of firewood. Strong winds are tolerated.
Botanical Name : Alnus japonica
Common Name : Japanese Alder
Height : 40 – 60 ft
Spread : 30- 50 ft
Germination Info : Seed requires 60-90 days cold stratification
Hardiness zone : 5-8
Average seed per ounce : Approx. 20,000