Most seeds are grown in seed trays or blocks, but at some point, these seedlings will outgrow their cell or block and require more soil for their roots to grow. In some cases, the weather aligns and ...

Use your old potting soil in the garden to help plants establish and to replenish your beds.

Once you've opened a bag of potting mix, it makes sense that it will lose efficacy if not used right away. But how long is too long left opened and unused?