Raise Your Own Earthworms Fresh Earthworms Make Your Plants Grow Larger, Catch Bigger Fish, Healthier Pet Food, and Put Cash in Your Pocket. Raise Earthworms for FUN and PROFITS. Raising earthworms is a great way to go green. And one of the easiest ways is by reducing the garbage going into landfills and down the disposal. Think about how many scraps you throw away or put down your garbage disposal, you can feed this to your worms. If you are a gardener and enjoy gardening your worms will produce fertilizer for life