: Best for convenience and small projects. Retailers like Home Depot , Lowe's , and Ace Hardware carry a wide variety of bagged options.
: Look for STA Certified (U.S. Composting Council) or OMRI Listed labels to ensure the product has been tested for safety and nutrient content.
: Many cities have composting programs that convert yard waste into compost. These are often the most affordable (and sometimes free) options, though quality can vary.