Urban Worm Company Worm Castings - Approved for Organic Use

**Free shipping to the lower 48****Available in 5, 10, 15, and 40lb sizes!** Now approved for organic use! Add life back to your soil with Urban Worm Castings! These castings have a balanced fungal:bacterial ratio and if you can keep them out of UV light, their quality will persist for 6 months or more. Recent analysis shows high humic content and nitrogen cycling microbes. Urban Worm Castings are shown to: boost plant growth speed up germination increase yield by 20-80% suppress pests and pathogens improve water retention Do you need bulk worm castings of more than 50lbs? Either e-mail us or check out our 2000lb SuperSack option.