Prunus avium 'Rainier' (Semi-dwarf Cherry)

Rainier (semi-dwarf) is yellow-blushed-rose 'Rainier' on a semi-dwarf rootstock (Gisela 5 or similar) keeps the same WSU-bred 1952 Bing x Van fruit at a backyard-friendly 12 to 15 ft. Sweet, honey-flavored blonde flesh. Prunus avium is the cultivated sweet cherry, originating in Europe, western Asia, North Africa and grown for centuries for its fruit. It is not native to North America.

Bloom and harvest in the PNW. Bloom is mid-season, with fruit ripening late June in Oregon and Washington orchards. Site in full sun with good air drainage to reduce disease pressure.

Pollination. Rainier (semi-dwarf) is NOT self-fertile and requires a compatible second cultivar to set fruit. Recommended pollenizers: Bing, Van, Sam, Black Republican, Lapins, Stella.

PNW disease and care. Semi-dwarf rootstock improves precocity and reduces ladder work. Rainier is incompatible with Royal Ann/Napoleon. Net heavily against birds. The species-level disease pressures to plan for are brown rot (Monilinia laxa), bacterial canker, cherry leaf spot, and powdery mildew. Cherry fruit fly and spotted wing drosophila are the major insect pressures. Net trees against birds at color change.

Native fruiting alternatives: If you also want to support PNW birds and pollinators with regionally native fruit, consider Amelanchier alnifolia (Saskatoon serviceberry), Vaccinium ovatum (evergreen huckleberry), Malus fusca (Pacific crabapple), or Prunus virginiana (chokecherry). These provide bird food, pollinator support, and Indigenous food heritage in your landscape alongside your orchard fruit.