If your bearded irises bloomed less enthusiastically this spring than they did a couple years ago, or if the clump has turned into a solid mat of rhizomes fighting each other for real estate, this is your sign. Late summer, right about now, is the single best window to dig them up and divide them.…
September Is Prime Time to Divide Your Overgrown Bearded Irises — Here's How Not to Mess It Up
If your bearded irises bloomed sparse and sad this past spring, or if the clump looks like a tangled mess…