Drive your garden up a wall with Clematis ‘Rooguchi’. An adept climber, this loosely weaving, six- to eight-foot- long vine produces rafts of fluted, violet-hued flowers from May to September. The elegant displays come with minimal effort: ‘Rooguchi’ requires little more than an occasional drink to thrive. Come winter, a quick trim down to the plant’s base ensures this easygoing perennial will return for many lazy summer days to come.

Get it: Joy Creek Nursery; 20300 NW Watson Rd, Scappoose; 503-543-7474; joycreek.com

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Read more at Kate’s blog, Plantwise.