Nice looking divisions!
Larry, I doubt the parent plants are stunted much (if at all), especially this early in the season. I dug up three clumps and pulled a few divisions today. The divisions were an afterthought. I'd noticed some soil compaction and just wanted to take an early opportunity aerate and amend the soil a little to give the new roots plenty of wiggle room. Not something I do for every plant in the garden but I feel it benefits the daylilies. Perhaps not? I do it anyway, lol.