Smooth Alder

Alnus serrulata



The tree grows with multiple trunks and up to 36 feet tall with an average spread of 11.5 feet. Trees are found in sunny areas of wetlands. Male flowers are a brownish-yellow and female flowers are red and appear in the spring. The fruit is dark brown and cone like and mature during the fall.

Plant Overview:

Other Common Names:Hazel Alder, Brookside Alder
Plant Family:Betulaceae
Plant Duration:Perennial
Plant Type:Trees
Attracts Pollinators and Wildlife:Birds
Bloom Time:Early March to mid April
Fruit Timing:August to October
Global and State Rank:G5, S5
Commercially available landscape plant?No
Soil Characteristics:
Soil Moisture:Wet
Soil pH:Acidic, Slightly Acidic
Light Needs:
Opitmal Light:Sun
Light Range:Sun
Water Needs of Plant:
Soil Moisture:Wet

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