ARTICLE BY: KATE McMILLAN Kate McMillan is a HPSO Board member and owner of Cultiverity, a garden design company in Portland. When she’s not working on her own or someone else’s garden, she’s running her web design studio, Outbox Online. She can often be found posting to the HPSO Facebook page, Instagram and Twitter feeds, and coordinating this blog. *** The story of native plants in our gardens is, oddly, a story of adversity. There’s a pervasive idea that somehow a garden of native plants is less beautiful, less interesting, or less elegant because of its regional origins. But that…