It's best to mix old potting soil with new soil to maintain a balanced nutrient profile.When potting a new plant, aim for a 50/50 mix of old and new soil. This helps provide essential nutrients ...

However, our expert warns that there is a risk of spreading diseases to your new plants and neglecting their nutrient needs if you don't prep the soil first. Sure, you can compost old soil ...

Over time, potting soil loses its nutrients and becomes compacted, making it less effective at supporting healthy plant ...

Potting soil does not go bad after one use. The unused half-bags of potting soil will work the same manner as potting soil ...