Lowest Prices Guaranteed! The Country's Largest Supplier of Pure Worm Castings!


To purchase worm castings, or to ask a question, fill out this form!

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

You can expect a response in 1 business day.

Organix / KastingKing

120 E Birch Street Suite 9 Walla Walla, WA 99362 USA

(509) 527-0526

Business Hours

Open today

08:00 am – 05:00 pm