What Can I do to Prevent My Autumn Joy Sedum From Flopping Over

11_07_15 Sedum - Copy1.) Place a grow ring or peony ring over them before they start to grow in the spring (for support), or 2.) Cut them in half in early June. This delays flowering by a couple weeks, but keeps them shorter, stockier, and less apt to flop over. This works quite nicely. Also look at some of the newer selections that have been developed to be shorter and less floppy.