Bearded Irises – Transplanting
We are at present dividing our irises, around 100+, and now have them all out of the ground. We are racing against the clock, as we are going on holiday for 6 weeks and wondered if they could stay out of the ground until we return at the end of March.
Certified GKH Gardening Expert
As long as you keep them dry and in a dark location, the rhizomes should be fine until you can get them in the ground. These articles will help with that: https://www.gardeningknowhow.com/ornamental/bulbs/iris/storing-iris-rhizomes.htm, https://www.gardeningknowhow.com/ornamental/bulbs/iris/dividing-transplanting-iris.htm