Photo source: Martha Stewart
"When dumping out last season’s container plants, the old soil doesn't have to go into the trash. In fact, it’s better for the environment (and your wallet) if you find new and innovative ways to repurpose used soil." Comment from Martha Stewart.com
While I never throw old potting soil away, I really don't follow any rules except to just use it again. It will be nice to learn the proper way to use it.
Click here to go the Martha Stewart.com article.
