359 Tree Surrounds, Cardboard Mulch Pros-Cons. Winter Tomatoes

They’re known as tree rings, or tree surrounds. Basically, it’s a demilitarized zone for your trees, where the trunk and roots are safe from weed whackers and lawn mowers as well as competing plants (especially lawns). It might be a short term solution for a newly planted tree. But leave it in place longer than that, and problems can ensue. Debbie Flower, America’s Favorite Retired College Horticulture Professor, tells us about those issues.Is using cardboard for mulch in a garden a good idea...