Good for flower bed- Lay down a thick layer of CARDBOARD in your raised garden beds to kill the grass. It is perfectly safe to use and will fully decompose, but not before killing any grass below it. They’ll also provide compost and food for worms.
Happy New Year and may 2016 bring all the gardening successes you desire. A big part of successful gardening is timing: doing the right thing at the right time. Whether you're an avid gardener or a homeowner just trying to.