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Home  >  Horticultural Crops  >   Potting Mixes for Certified Organic Production (Summary)

Potting Mixes for Certified Organic Production


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By George Kuepper and Kevin Everett

Published 2004

Updated 2010



20 pages

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Organic production of seedlings, transplants, and potted plants requires the use of media that meet the requirements of the National Organic Standard. This publication lists commercial sources and provides formulas and guidance for on-farm preparation of approved media.

Table of Contents

Commercial Blends
Making Your Own
Ingredients Allowed in Organic Potting Media
Compost and Manure Rules
Appendix 1: Sources of Organic Potting Media, Untreated Peat Moss, Coir, and Other Approved Ingredients
Appendix 2: Recommended Guides for Learning to Make Potting Media
Appendix 3: Recipes for Growing Media

Note: Digital downloads are in full color. Printed, mailed copies are only available in black & white.


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This page was last updated on: February 2, 2015