They were bought from Brecks. They had been growing in their clump fer 3-4 years and had bloomed beautifully and mutliplied. Then suddenly this past summer after this cold hard winter this happens, and it might have happened anyway, may have had nothing to do with our harsh cold winter. I was just very concerned with the bunches of small holes in the bottoms of the rhizomes, like a. It or something had bored into the bulbs. I've grown iris all my gardening life, never seen this.