Pruning is one of the garden tasks that requires the most skill, timing and labor in the garden. Proper pruning affects the health and vigor of plants, and can take a garden from “good” to “great.” Learn when and how to prune your perennials and see examples of good and bad pruning done right before your eyes.

Patricia Evans, owner of Natural Landscape Design, is a graduate of the Foothill College Ornamental Horticulture program. Previously, she served on the boards of directors of Gamble Garden and the Association of Professional Landscape Designers. She has also taught Garden Design for Homeowners for Palo Alto Adult Education. She specializes in native plants and sustainable landscaping.