Siberian iris ‘Colonel Mustard’. Photo courtesy David Baehre The Western New York Iris Society will hold its annual Iris and Perennial Show from 1 to 4 p.m. Saturday, June 1 at the Julia B. Reinstein Library, 1030 Losson Rd., Cheektowaga. Not only can you attend to view the irises and perennials, but you can submit an entry as well. Members will assist you. The entries will be judged by accredited judges. All blue winners will be acknowledged and receive ribbons and…