Iris Flower Transplant. 01072021 When to Transplant Iris The best time when to transplant iris is in the summer after the iris have finished blooming up until fall. Biggest Seeds Catalog Online.
Trim the leaves back to 8 inches before transplanting iris. Irises flower in spring sometime between April and June depending on the cultivar and their foliage does not begin to die back until July. Transplanting Iris Timing Because you need to cut away the foliage when transplanting rhizomes the spring is a bad time to transplant iris.
Iris loves the heat and drier weather of summer and the summer dividing will reduce the incidence of bacterial soft rot.
Steps for Dividing Iris Plants To divide your iris start by lifting the clump of iris plants out of the ground with a spade or fork. Division and transplanting allows the clump to rejuvenate and also provides a way to multiply your iris. 15092009 Transplantation can be done any time between when the soil warms in the spring and the first frost of the winter. Video Toronto Master Gardeners Dorothy and Patrick Smyth show us how to transplant bearded iris.