Alnus japonica (Japanese Alder)

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$6.00
Alnus japonica (Japanese Alder) is a deciduous tree species belonging to the Betulaceae family. It is native to Japan, Korea, and parts of eastern China. The Japanese Alder is valued for its ornamental attributes and its ability to thrive in wet or poorly drained soils. The Japanese Alder is a medium-sized...
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Alnus japonica (Japanese Alder) is a deciduous tree species belonging to the Betulaceae family. It is native to Japan, Korea, and parts of eastern China. The Japanese Alder is valued for its ornamental attributes and its ability to thrive in wet or poorly drained soils.

The Japanese Alder is a medium-sized tree that typically reaches heights of 40 to 60 feet (12 to 18 meters). It has a broadly conical or rounded crown and a straight trunk. The leaves are oval-shaped with a serrated margin, and they are dark green in color. In autumn, the foliage may turn yellow before dropping.

One of the notable features of the Japanese Alder is its ability to tolerate wet or poorly drained soils. It is often found in riparian areas, swamps, and wetlands. The tree's adaptability to these environments makes it valuable for stabilizing soil and preventing erosion. Additionally, the Japanese Alder has a symbiotic relationship with nitrogen-fixing bacteria, allowing it to enrich the soil with nitrogen.

The Japanese Alder is appreciated for its attractive bark, which is smooth and grayish when young, gradually developing shallow furrows and fissures as it matures. The bark adds visual interest to the tree, especially during the winter months when the leaves have fallen.

While the Japanese Alder is primarily planted for its ornamental value and its ability to thrive in wet areas, it is less commonly used for commercial purposes or in landscaping. However, it can be a suitable choice for wetland restoration projects, streamside plantings, or areas with poorly drained soils where other tree species may struggle to grow.

If you are considering planting trees or engaging in any landscaping projects, it is advisable to consult with local horticultural experts or native plant specialists to ensure the selection of suitable species for your specific location and ecosystem.

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 

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