The Delaware Valley Iris Society (DVIS) will be having two events at the Arboretum again this year. There will be a show with both stalks of colorful irises and flower arrangements containing irises on display. This will be on Monday, May 28. All types of irises may be there, yet the majority will be Tall Bearded irises such as the one pictured. DVIS welcomes anyone who is interested to come and exhibit at the show. …