Rubus parviflorus var. parviflorus

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USDA Hardiness zone: Zn4a -25º to -30ºF

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Rubus parviflorus var. parviflorus

Western Thimble berry is a widespread relative of raspberries that grows in many biomes and is especially abundant west of the Cascades. The 5 petal pure white  flowers that arrive in spring are among the largest of any Rubus. Thimble berry also does not have thorns. YAY.  It forms imposing patches spreading by a creeping rhizome. The large maple shaped leaves can be up to 10 cm wide To 4′ tall and spreading – give it room and plan ahead. The sweet edible red berries appear in mid-late summer. They may be detached from a core on the end of the stem. It leaves a concave hollow berry- shaped like a thimble. Its fairly high in water content which means it does not ship well and its not big as a commercial crop. Nice looking large, opulent shrub for wild areas. Water to establish then none necessary in subsequent years. Thimble berry has a very long lifespan but it is also a seral species populating disturbed sites from fire, logging, roadsides. Full sun to quite a bit of shade with good air circulation- prone to powdery mildew in wet springs. It seldom causes permanent damage to the plant. Fall color is yellow to russet and lingers. Not bothered by deer  but birds will predate the fruit and then poop out a whole new colony. Wild areas, margins of forests.

Oregon native plant

Rubus parviflorus ssp. parviflorus Photo: Jennifer Wagner Clark

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