Latin: Sorbus americana Other common names: mountain ash, small-fruited mountain-ash Mature Height: 30 ft Soil / Climate: Grows in dry rocky areas, to moist rich woods.  Prefers full sun. Zones 3-7 Notes: Grayish, yellow-brown smooth bark.  Long, compound leaves with sharp toothed edges.  Leaves turn orange-red in autumn.  Flowers are white or pink.  Berries are orange-red and 1/4 inch in diameter.  Buds are shiny, in contrast with the European version's pubescent buds. Wildlife: Fruit is a favorite food of the ruffed grouse.  Also highly prized by the red-headed woodpecker, gray catbird, robin, bluebird, and oriole.   Cold Stream Farm supplies American Mountain Ash trees which are grown as bare root seedlings and transplants and sold both wholesale and retail with no minimum order.   Additional information on Sorbus americana can be found on the link: USDA / NRCS PLANTS Database.