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Fall Perennial Cleanup: Leave Green Foliage Until Frost

Rule: if it’s green, it’s good. Leave green leaves until frost kills them; remove only brown flower stems. Ensure perennial beds drain well—soggy winter soil kills more plants than cold. If drainage is doubtful, lift plants, amend with gritty sand, and replant.

About Gardening: Mysterious Root-Like Clumps in Garden Soil: Fungal Mycelium or Something Else?; When Bedding Plants Fail but Shrubs Thrive: Diagnosing a Decomposed Organic Layer and Root Disease; Custom Potting Soil Recipes for Different Plant Types; Improving Garden Soil with Humus and Managing Fertilizer Frequency; Persistent White Mold on Houseplant Soil: Control, Not Cure; Troubleshooting Exotic Angel Plants from Home Depot; Spring Planting of Perennials in Zone 6 Michigan: Hardening Off and Soil Preparation; Finding Hardy Perennials for Zone 5b: Resources and Soil Recipe; Perennials: The Gift That Keeps Blooming; Pruning Yucca: Cut Back Flopping Stems Safely

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