Cusick’s Serviceberry

Amelanchier alnifolia var. cusickii, commonly known as Cusick’s Serviceberry, is a deciduous shrub or small tree native to the northwestern United States and southwestern Canada. Its range extends from eastern Washington and Oregon to parts of Idaho and Montana, often found in moist, well-drained soils in open woodlands, grasslands, and along stream banks. This variety typically grows to a height of 1 to 5 meters (3 to 16 feet) and exhibits a multi-stemmed growth habit, forming a dense, rounded crown that can provide excellent cover for wildlife.

The leaves of Cusick’s Serviceberry are oval to elliptic in shape, measuring 3 to 8 centimeters long, with a finely serrated margin and a smooth, glossy surface that turns a vibrant yellow to orange in the fall. The plant produces showy clusters of white flowers in early spring, each flower consisting of five petals that attract various pollinators, including bees and butterflies. Following flowering, the plant bears small, round, edible fruits that ripen in mid-summer, typically ranging from red to purple in color. These berries are not only palatable to humans but also serve as an important food source for birds and other wildlife.

Ecologically, Cusick’s Serviceberry plays a significant role in its native habitat by providing food and shelter for various species. The berries are rich in nutrients and are often harvested for jams, jellies, and other culinary uses. Additionally, the plant is valued for its ornamental qualities, making it a popular choice in landscaping for its attractive flowers and fall foliage. Adaptations such as its ability to thrive in a range of soil types and its resilience to drought conditions contribute to its success in diverse environments. Furthermore, its early flowering period allows it to take advantage of the limited availability of pollinators in spring, enhancing its reproductive success in its native range.