I'm trying to get rid of some large established cacti so we can plant something different. We've dug down 2 ft. to try to rid ground of all roots. They still keep coming back. Help!

Cactus Control

Scraping the cactus into piles, adding some molasses and allowing to break down makes a wonderful compost. Dry or liquid molasses should be used at 2 cups per cubic yard or greater. Keeping the cactus from returning is done by improving the health of the soil with compost, rock minerals and general biodiversity including the establishment of multi-species grasses and forbs.