1. Prune away dead and damaged branches. Where tree or shrub branches have been damaged by cold, snow, and wind, prune back to live stems.
2. Cut back and divide perennials as needed. Prune flowering perennials to a height of 4–5 inches and ornamental grasses to 2–3 inches to allow new growth to shoot up.
3. Clean Up Around Plants. Rake out fallen le...