Open Source Seed and the Seed System

Writings on the subject of open source seed and related topics



 Organic Seed Alliance

State of Organic Seed Report, 2016

“[The State of Organic Seed Report] monitors the status of organic seed in the US and provides a roadmap for increasing the diversity, quality, and integrity of organic seed available.”

Webinar Series from the 6th Organic Seed Growers Conference (2012)

Webinar Series from the 7th Organic Seed Growers Conference (2014)

Webinar Series from the 8th Organic Seed Growers Conference (2016)

Plant Breeding and Growing Seed

Want to learn more about how to breed plants and grow your own seed? There are lots of great resources for getting started.



Deppe, Carol. Breed Your Own Vegetable Varieties: the Gardener’s and Farmer’s Guide to Plant Breeding and Seed Saving. Chelsea Green Publishing. 2000.

Navazio, John. The Organic Seed Grower: a Farmers Guide to Vegetable Seed Production. Chelsea Green Publishing. 2017.

Ashworth, Suzanne. Seed to Seed: Seed Saving and Growing Techniques for Vegetable Gardeners, 2nd Edition. Chelsea Green Publishing. 2002.

Maynard, Donald and George Hochmuth. Knott’s Handbook for Vegetable Growers. Fifth Edition. Free pdf available. 2012.  

         Has a section on producing vegetable seed, including predicted yields, germination testing, storage, etc. 

Reports, Guides and More

Organic Seed Alliance Publications

          OSA’s publication page has a wealth of resources on on-farm breeding, seed production, variety      trialing and more.

Seed Saver’s Exchange

          Seed Saving Guide – Crop by crop chart with isolation distances, population info etc.

          Seed ExchangeFind and share seeds you might not find anywhere else. Searchable database.

University and USDA:

Vegetable Seed Production

Vegetable Seed Production—Dry Seeds

Vegetable Seed Production

Onion Seed Production in California

Cucurbit Seed Production in California

Carrot Seed Production

Crop Profile for Table Beet Seed in Washington

Crop Profile for Cabbage Seed in Washington

Crop Profile for Spinach Seed in Washington

Seed Production and Seed Sources of Organic Vegetables

Investigation of Organic Seed Treatments for Spinach Disease Control

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