When to Cut Back Lilies: Leave Green Foliage Until Frost

Snip off brown leaves anytime, but keep all green foliage until frost kills it—green leaves feed the bulb for next year.

About Gardening: Rose Bush Pruning: Dealing with Black Stems and Preventing Black Spot; Sunburn vs. Mildew: Diagnosing Leaf Discoloration After Spring Pruning; Pruning Sarracenia and Flytrap Dormancy Emergence: Timing and Technique; Pruning Dead Leaves on Drosophyllum: Necessary or Optional?; Pruning a Giant Monstera or Philodendron Selloum?; Bougainvillea Pruning and Soil Correction for Indoor/Outdoor Growth; When and How to Prune Pepper Plants for Bushier Growth; Pruning Palms: The Expert Guide to Healthy, Beautiful Trees; Pruning Tattered Liriope in Late Spring; Pruning Overwintered Hibiscus Before Moving Outdoors

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