I always end up with too much potting soil! I guess I like to have more of the stuff on hand, so I don’t need to return to the nursery and buy more… But this leads to the thorny question of how to store potting mix properly. Can you just leave it and forget it?…

You suspect something is wrong. That bag of potting soil doesn’t look like it did when you bought it. Or is it just your overactive imagination? Surely it gets better with age. Or is there the possibility that potting mix can go bad and no longer provide any benefit to your plants?Or even worse! It…