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. *** I think it’s fair to say that most everyone would like their garden to contain beautiful plants, with lovely color and texture, that can withstand drought, that play well with others, and that don’t require much maintenance. Whether your garden…