Also called wild plum.

Part of almond / apricot / 🍒︎ cherry / 🍊︎ nectarine / 🍑︎ peach / plum  genus Prunus in 🌹︎ rose  family Rosaceae in 🍎︎ apple / 🍇︎ berry / buckthorn / elm / hemp / 🌹︎ rose  order Rosales.

Native to 🇨🇦 Canada and 🇺🇸 USA, east of the 🗻︎ Rocky Mountains.  And according to the 🇺🇸 NRCS link below, Washington State.  ▭ 🌎︎ Map by county (🇺🇸 USA-48), ▭ 🌎︎ map (North America, Central America),  Adobe Acrobat Reader file ▭ 🌎︎ map (eastern 🇺🇸 USA).

Uses by native peoples
(Ethnobotany database)

Prunus hosts caterpillars of 456 species
of butterflies and moths, in some areas.
  This plant is also known to be a host for (in areas where invasive) 🐝︎ spotted lanternfly (SLF)  Lycorma delicatula.

Bloom dates (NE Illinois).  Adobe Acrobat Reader file  (🔒︎ Wild Ones members only)

Learn more about American plum Prunus americana

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Missouri Botanical Garden Missouri Plants Flora of North America NRCS PLANTS db USFS Wikipedia