How to Cut Back Sedum Spring, after the last frost, is the most important time to cut back sedum. Prune the sedum again in early summer and clean it up a final time in the fall. Rake out debris ...

Sedum, rudbeckia, echinacea ... lavender and alyssum after flowering combines deadheading with light pruning. It will prevent leggy growth, keep plants compact and produce an abundance of flowers ...