4 months ago Transplanting and dividing in August Q&A Is it too late in the season to divide and transplant Thanks - Nancy - Comments Dennis Patton 4 months ago It is the perfect time to transplant and divide iris. In fact just wait and my weekly column is on the topic of dividing iris. Dennis - Johnson County Extension Sign in with Facebook to comment. Copyright 2013 The Kansas City Star. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.