Leave them for winter wildlife if you can. A mass of coneflowers (Echinacea purpurea) adds a pop of color to a sunny garden from summer and well into fall. With stems that can grow from 18 inches to 4 ...

Cut back perennials in fall if they’re disease-prone or pest-damaged. Wait until spring cleanup to give plants winter protection and wildlife value. Use sharp tools and clean, angled cuts for strong, ...

Some flowers are more thuggish than others. A neighbor's flowers can grow right through—or under—the fence and pop out on the other side, stampeding over your carefully curated garden. Digging and ...

Prune Knockout roses heavily in late winter or early spring as new growth begins. Lightly deadhead and shape in late summer, stopping two months before frost. For annual pruning, cut back one-third of ...