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.

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