Three-flowered Maple
Acer triflorum

Description

Acer triflorum, or the three flowered maple, is a non-native species originating from northeastern China and Korea. It prefers acidic soil and is salt tolerant, but is intolerant of alkaline soils, soil compaction, and wet soils. It prefers sun to partial shade, and does best in moist, but well-drained soils. This species is not commonly available in nurseries due to its complex seed dormancy and limited success with cuttings, but may become popular in the future due to its aesthetic features. It is one of the few trees to develop good fall colour in shade.
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Planting Site and Native Range

Planting Site
Parks, Highway, Residential, Wide Median

Management Notes

Management Notes
Limited availability in Ontario.

Tree Characteristics

Growth Rate
Slow (less than 30cm per year)
Width
6 - 9m
Height
6 - 9m
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
Tolerant
Salt Spray Tolerance
Tolerant
Flooding Tolerance
Low
Drought Tolerance
High
pH Tolerance
Tolerant of acid to alkaline soil (5.0 to 8.0)
Shade Tolerance
Full Sun Part Shade
Plant Hardiness Zone
Zone 5 (a/b) | Zone 6 (a/b)
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