Add Yahoo as a preferred source to see more of our stories on Google. (Rocio Egio / For The Times) To worm or not to worm? When it comes to composting, that's the question many savvy gardeners are ...

We may receive a commission on purchases made from links. It may be hard to wrap your head around the garden value of worm castings — the waste produced by lowly earthworms. They're collected from ...