Plant Profile: Alnus serrulata

Tag Alder is a modest-sized deciduous tree, typically reaching heights of 10 to 15 feet. It thrives in naturally moist environments such as streambanks and bogs. The leaves are arranged alternately, featuring a wavy edge and a hairy underside. Its bark is smooth, displaying a gray-brown hue with a fluted texture. In late winter, the tree produces slender green male flowers alongside vibrant red female flowers. By fall, it generates seeds that remain through the winter months.

**Fire Risk:** This species is rated low in flammability.

**Insects, Diseases, or Other Plant Issues:** Tag Alder is particularly vulnerable to canker, which can be quite severe. Additionally, it may experience issues with powdery mildew and leaf curl. Keep an eye out for pests such as aphids, leaf miners, tent caterpillars, lace bugs, and flea beetles. Chlorosis can occur in soils with high pH levels. Furthermore, this plant is highly prone to damage from deer.