Inch by Inch Worm Castings

We are INCH BY INCH — a Tucson, Arizona-based and locally owned business whose mission is to produce and sell the highest quality soil supplements made of earthworm castings and liquid leachate. We grow worms and worm by-products under carefully controlled conditions to assure highest quality, and add no synthetic products to our soil supplements. We believe the soil in which we grow food and plan  ...