Hosackia pinnata

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USDA Hardiness zone: Zn5b -10º to -15ºF

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Hosackia pinnata

Bog deer vetch is a beautiful native perennial found in wet to seasonally wet sites throughout Oregon, but primarily Western Oregon. This rhizomatous perennial erupts from the ground in early spring with pinnate leaves that are deep purple. As the plant extends it changes to dark green and begins to bloom in crowns of pea flowers that are yellow and white. Very pretty. The symmetry of the flowers is especially attractive. To 2′ tall x 3′ wide.  Blooms April to June. Lovely native perennial for boggy sites. Amenable to average culture in  rich soil with regular H20 in summer. Easy to grow long lived perennial for meadows,  swales, vernally wet sites.  Excellent perennial for a rain garden. Takes dry conditions when established and goes deciduous with summer heat.  Competes well with invasive grasses. Possibly deer resistant. Often seen along streams in NW Oregon. Riparian perennial. Oregon native plant.

New growth of Hosackia pinnata is dark purple.

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