Mark your calendar for the Iris Society of Minnesota's sale, outdoors from 9 a.m.-5 p.m. Saturday, Aug. 1 and Sunday, Aug. 2 at the Ordway Picnic Shelter. See the dig in progress on Saturday, Aug. 1 and learn how to divide irises and even join in! Purchase freshly dug iris rhizomes and ask questions both Saturday, Aug. 1 and Sunday, Aug. 2. Learn more about the Arboretum's Iris Collection.