Black Hawthorn vs Sitka Alder

Sitka Alder is a native deciduous shrub or small tree that often forms dense thickets. Its extensive root system stabilizes slopes and streambanks. Nitrogen-fixing capabilities and nutrient-rich leaf litter improve soil fertility, creating better growing conditions for surrounding plants. These qualities make it especially effective in disturbed or erosion-prone sites.
Often found in moist, high-elevation mountain environments, Sitka Alder also enhances habitat by providing cover and structure in both riparian and upland areas. Birds and small mammals utilize it for nesting, and its seeds serve as a food source.
Note: We use Sitka Alder for Alnus alnobetula subsp. sinuata. This species is also known by many other common names, including Mountain Alder, Green Alder, and others. Please confirm the scientific name to ensure you are ordering the correct plant.

Black Hawthorn is a versatile plant that is native to wetlands and other areas with moist soils, but can also tolerate dry soils. This plant can be grown as a short shrub, or a tree reaching 30 feet tall.

Black Hawthorn is valued for erosion control and attracting pollinators. It also makes an attractive flowering ornamental that can be planted as a specimen or pruned as a hedge. It is commonly used in shelterbelts.

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