Japanese Maple
Acer palmatum

Description

Acer palmatum, or Japanese maple, is a non-native species originating from Japan, Taiwan, Korea, and eastern China. It thrives in well-drained fertile loam enriched with organic matter, and between a pH of 6.0-7.0. This species makes for an excellent small tree for home gardens or maintained garden beds with part shade in late afternoon. Avoid planting in areas that are hot and dry. They are commonly found in the nursery industry as being popular choices for ornamental gardens, understory trees, and bonsai. It is advisable to prune in the late spring (June), as cutting may cause sap to leak from the wounds. While this can impact the tree's appearance, it does not harm the tree. It can be transplanted with some ease.
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Planting Site and Native Range

Planting Site
Parks, Residential

Management Notes

Management Notes
Cold hardiness varies by cultivar Young foliage can be damaged in full sun and strong winds Recommended to plant in protected sites

Tree Characteristics

Growth Rate
Slow (less than 30cm per year)
Width
5 - 8m
Height
5 - 8m
Soil Quantity
0 - 10 m
Leaves
Deciduous

Insects and Diseases

Insects and Diseases
No serious or common issues in the urban environment. Verticillium wilt can be an issue, which can cause branch/ limb death and severe cases can cause tree mortality.

Tree Tolerances

Soil Salt Tolerance
Moderate
Salt Spray Tolerance
Sensitive
Flooding Tolerance
Low
Drought Tolerance
Moderate
pH Tolerance
Tolerant of acid to slightly alkaline soil (pH 5.0 to 7.5)
Shade Tolerance
Full Sun Part Shade Full Shade
Plant Hardiness Zone
Zone 5 (a/b) | Zone 6 (a/b)
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