Learn to grow colorful, dazzling dahlias in Oregon Updated Apr 05, 2021; Posted Apr 05, 2021 Julie Moore, owner of Julie's Dahlias, digs in her dahlia bed. Photo by Hal Moore.Courtesy of OSU Extension Service Facebook Share CORVALLIS — Dahlias are addictive, at least for Julie Huynh Moore, an Oregon State University master gardener, who plans to grow 2,000 by the end of May. That’s quite an accomplishment for anyone, but considerably more for Moore, who lost her home and all 1,200 of her dahlias in the Labor Day wildfires. When she was allowed to return after nine days, the ground was e...