Coneflowers with aster yellows disease: Keep healthy plants, but pull diseased ones

by Connie Oswald Stofko Here’s a question from a reader: Hi Connie, Last summer we were warned about aster yellows destroying coneflowers. My coneflowers were all infected but I didn’t remove the plants from my garden. Now I’m watching them sprout and I’m wondering if I should be worried. Should I take them out now? Thanks, Eileen Welborn Buffalo Yes, if you saw symptoms of aster yellows disease last year on your coneflowers and you didn’t pull out and carefully…