Roses face plenty of thorns


Yet peril lurks on the horizon, and without vigilance, the bloom may soon be off the rose. At the American Rose Society’s annual spring convention, three noted experts – Whitney Cranshaw, professor of entomology at Colorado State University; Baldo Villegas, entomologist; and R. Kenneth Horst, professor emeritus of plant pathology at Cornell University – shared their wisdom on spotting and controlling the villains in the rose bed.