Fertilizers & Amendments

New Product! Make your roots grow longer and stronger with Urban Worm Myco, an endomycorrhizal inoculant with over 4000 propagules per oz. A little...

Add intense microbe and nutrient storage capacity to your soil. Urban Worm Biochar is produced in Maine from wood waste through a high-temperature,...

Urban Worm Coco Coir is a proven, eco-friendly worm bedding and soil amendment made from coconut husks. 2 of our 1.4-lb coco coir bricks is the per...

Want lots of coco coir? This 5kg (11lb) block expands to 2.25 cubic feet or nearly 17 gallons when moistened. Perfect for larger worm bins and soil...

Limited Offer: Look for a Buy One Get One 50% Off Deal at Checkout! Amend & monitor your potting soil or worm bin with ease! Mix 1  brick of Ur...

A $72 value for more than 30% off! With the Premium Soil Amendment Bundle, you get: 10 lbs of OMRI-listed microbe-richworm castings (a $37 value) ...