Don’t just throw away those plastic pots your plants came in. Here are our favorite ways to reuse and recycle plant pots. Plant halo: Take an old plastic pot and cut off the bottom. Push it partway into the soil, and then plant your tomato inside. When you water the plant, the pot will retain the moisture and let it gradually soak into the soil at the roots. Planting guide: When repotting a plant into a larger container, place an empty plastic plant pot the same size as the smaller, original one into the middle of the container, and then continue to fill around it. DIY bug hotel: Stuff a pot with short lengths of bamboo cane, hollow stems, twigs, or corrugated cardboard, and then site the DIY bug hotel on its side in a safe, sheltered spot. Read more here.