This is Rosa rugosa Alba, also known as Japanese rose, and White Rose. Considered an edible ornamental this shrub is used as a windbreak or hedge, and it also provides edible fruit, seeds, and flowers. This fragrant flower likes to live in full sun to partial shade. This shrub can grow to about 6 feet tall and blooms repeatedly from late Spring until early Fall. Rosa in general are larval host plants for the Columbia silkmoth, Western sheepmoth, and the Grizzled Skipper, Coral Hairstreak, and the Two-banded Checkered-Skipper butterflies. They are also a food source for the Baltimore Checkerspot, and Appalachian Tiger Swallowtail butterflies. USDA Hardiness Zones 2 to 9.