2pk Miracle-Gro Potting Mix $10

This 2-Pack of Miracle-Gro 8-Quart Seed-Starting Potting Mix drops from $11.58 to $10.38 at Amazon. This potting mix is considered the best option for growing your plants inside from seeds before transplating them outside. Shipping is free with Prime or when you spend $35. Otherwise it adds $6.99. This matches the best deal we found from any major retailer. Shipping is free with Prime or when you spend $35. Otherwise, it adds $6.99.