Back to Earth Organics Worm Castings

Back to Earth Organics Worm Castings are a 100% natural, nutrient-rich soil amendment packed with organic matter, beneficial microbes and minerals in a form readily available for plant absorption.

Gentle and safe, as well as pH neutral, Worm Castings won't burn plants like synthetic fertilizers, and help to balance soil pH naturally.

Worm Castings enrich soil, improve soil structure, boost plant growth, and increase resilience to pests and diseases.

Use as directed.

Formerly sold as Soil Mender Worm Castings.

As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. The ‘Plant Information’ section describes how that item will ship.

Perennial, flower bulb and seed orders will arrive separately from hard goods. If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (802) 227-7200 or contact us by email.