American Plum

Prunus americana

Rosaceae

• Full sun to partial shade
• 15–25' tall × 15–25' wide as a tree; often colonizes as a multi-stemmed suckering shrub to 8–10'
• Drought Tolerant: Moderate — tolerates short dry spells once established; prefers average moisture; less drought-tolerant than regional natives
• Evergreen: No
• Flower Color: White, fragrant, 5-petaled flowers in flat-topped clusters before leaf emergence (April–May)
• Wildlife Benefits: Major wildlife food plant; fruit consumed by over 40 bird species and numerous mammals; larval host plant for Coral Hairstreak, Eastern Tiger Swallowtail, and Spring Azure butterflies; dense thickets provide nesting and escape cover; browse for deer

American Plum is one of the most ecologically significant fruiting shrubs or small trees of the Great Plains and central North America, found naturally along stream banks, woodland edges, fence rows, roadsides, and open grasslands from Saskatchewan and Idaho east to the Atlantic coast. While it reaches the western edge of its native range in Idaho, it is not a naturally occurring species in the Spokane area or Washington State; gardeners seeking a native Prunus for the region should consider Prunus emarginata (Oregon Cherry) or Prunus virginiana (Chokecherry), both of which are native to the Spokane area and listed in regional guides. American Plum is nonetheless a resilient, adaptable, and highly productive plant where grown. It tolerates a wide range of soil types — from sandy to loamy — and moderate drought, though it performs best with average soil moisture and good drainage. It can sucker freely to form dense thickets, which is a significant consideration in managed landscapes.

American Plum offers genuine multi-season appeal. In mid-spring, before leaves emerge, the bare branches are blanketed with clusters of small, fragrant, white five-petaled flowers — one of the most striking early-spring floral displays of any large shrub. The flowers are often described as sweetly almond-scented and create a cloud-like effect that draws attention from a distance. The dark green summer foliage (leaves 2–4" long, oval, sharply toothed) provides a clean backdrop for the developing fruit. By midsummer, round, 1-inch drupes ripen from green through red to yellow, offering weeks of color. In fall, foliage turns yellow to reddish before dropping. The thorny, spreading branch structure gives the plant architectural character in winter. Left to sucker, American Plum forms a dense, impenetrable thicket; managed as a single-trunk tree with regular removal of root sprouts, it develops a more refined small-tree form.

Few plants provide as concentrated a wildlife resource as American Plum. The fragrant spring flowers are an important early nectar and pollen source for native bees and honeybees before many other plants have leafed out. The abundant mid-summer fruit is consumed by an exceptionally wide array of wildlife: wild turkeys, black bears, white-tailed deer, foxes, raccoons, skunks, and more than 40 species of birds including grosbeaks, robins, bluebirds, mockingbirds, and quail. The dense suckering thicket provides nesting habitat and protective cover for songbirds and small mammals. It is a larval host plant for the Coral Hairstreak, Eastern Tiger Swallowtail, and Spring Azure butterflies. Ethnobotanically, American Plum was one of the most important food plants of Plains Indigenous peoples — Lakota, Cheyenne, Arapaho, Omaha, and many others harvested the fruit fresh, dried it for winter storage, and made it into pemmican. The Cheyenne also used the branches ceremonially in the Sun Dance, and the Navajo used roots to make red dye.

American Plum is best suited to naturalized settings, wildlife gardens, edible landscapes, windbreaks, and revegetation projects where its suckering habit is an asset rather than a liability. It is an excellent choice for orchard borders, rural hedgerows, and erosion-prone slopes. Gardeners who want the ornamental and wildlife benefits without the thicket-forming tendency should plan to remove suckers consistently during summer once new growth flushes. For a regionally appropriate Prunus alternative, Chokecherry (P. virginiana) or Oregon Cherry (P. emarginata) both offer similar wildlife value with native provenance. If planted, pair American Plum with other fruiting shrubs to extend the wildlife food season: Sambucus nigra cerulea (Blue Elderberry), Ribes aureum (Golden Currant), and Rosa woodsii (Wood's Rose) create a productive, multi-layered wildlife hedge. For butterfly support, add Asclepias speciosa and Echinacea species as understory perennials.