Beginner Gardening: Pre-emergent Crabgrass Killer, 1 by meezersfive

meezersfive wrote:
Absolutely agree. Almost any kind of material will make good mulch, old carpet, cardboard, newspapers, grass clippings, leaves. We use up everything, even shredded paper around new plants. The pre-emergent only works once anyway, and the surrounding area will still have roots that will spread to the garden again as soon as the poison is weakened by time. Here's a chunk of crab grass that had a root over six feet long, nothing stops that stuff from spreading except lack of light.