Can You Reuse Old Potting Soil? (Yes, But Read This First)
Last updated: 07.07.2026. Every time I repot something, I end up staring at a pile of old soil and the same question: do I throw this out or can I use it again? Bags of mix are not free, and dumping perfectly good-looking soil feels wasteful. So can you reuse old potting soil? Short answer:…