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Reusing Container Potting Soil: Refresh Drainage, Limit to Two Cycles

Old potting soil breaks down (poor drainage) and may harbor pathogens. If last year's plants were healthy, refresh by mixing 4:1 with pine bark fines or perlite. Don't reuse more than twice.

About Gardening: The Ideal Potting Mix for Container Plants: Peat, Soil, and Ratios Explained; Repotting a Money Tree: Soil, Drainage, and Depth; Container Organic Veggies: Soil Mix, Light, and Fertilizer; Choosing the Right Potting Soil for Container Vegetables; Container Vegetable Gardening: Seeds, Soil, and Success Strategies; Essential Container Gardening Tips for Beginners; Container Gardening: Complete Guide to Growing in Pots; Can Potting Soil Spontaneously Combust?; Reusing Container Potting Soil: When It's Necessary and How to Refresh It; Reusing Potting Soil: A Simple Refresh for Winter Plantings

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