Alnus rubra features a slender, pyramidal form and produces red buds that reveal red-green catkins in the spring. Its green leaves have a blue-green underside and the inner bark is orange-red, adding a lovely touch of color to any outdoor space. It is a hardy plant that is capable of tolerating moist soils. During the early to mid-spring months, it produces catkins that serve as a source of pollen for bees. Additionally, Alnus rubra can fix nitrogen in the soil, which is beneficial for improving soil conditions for other plants. Alnus rubra is deciduous and native to western North America. Learn more about Alnus rubra.