Putting the power of seed into the hands of growers
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Celebrate OSA: Support the Annual Appeal Today!
Celebrate OSA: Support the Annual Appeal Today!
Weaving Power Into the Hands of Growers Together! Help us reach our Annual Appeal goal of $150,000! These funds empower growers in every research plot, summit gathering, and policy win. Together, with partners across the nation and around the world, OSA builds more sustainable and equitable food and fiber systems. Advocacy Work protects seed sovereignty at the local, regional, and national levels. Research and Education Programs connect organic seed resources with growers and plant breeders. » Read more about: Celebrate OSA: Support the Annual Appeal Today! »
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Putting the power of seed into the hands of growers
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Recent News
OSPREY: Wrapping Up Year One
OSPREY: Wrapping Up Year One
Wrapping up Year 1 of OSPREY (Organic Seed Production Research on Economics and Yield). Trials, data, webinars, and 2026 plans.
Meet our New Board Members
Meet our New Board Members
OSA welcomes Jim Myers and Mary Saunders Bulan to the OSA Board of Directors.
Welcoming Executive Director Dr. Cathleen McCluskey
Welcoming Executive Director Dr. Cathleen McCluskey
We're excited to announce Dr. Cathleen (Cat) McCluskey as our new Executive Director, brining over 20 years of invaluable experience.
Palestine Heirloom Seed Library Update
Palestine Heirloom Seed Library Update
The Palestine Heirloom Seed Library (PHSL) and Wild Dreams Farm partnered to complete a collective harvest of banadura baladiyya, a Palestinian heirloom tomato. This initiative honors lives lost and safeguards Palestinian heirlooms for future generations. PHSL is expanding its Seed Protector Project, stewarding 35 heirloom varieties across 37 farms in the U.S. to ensure their preservation.
Fall OSPREY Updates
Fall OSPREY Updates
Discover the OSPREY project’s impact on organic seed production with multi-location trials, grower collaborations, and seed yield research.
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Upcoming Events
All Upcoming Events
All Upcoming Events
OSA Quarterly Calls & Advocacy Office Hours
OSA Quarterly Calls & Advocacy Office Hours
We’re excited to invite you to the Organic Seed Alliance’s (OSA) Quarterly Calls! These open-sourced calls bring together farmers, seed
Organic Seed Community Virtual Open House on 12/17
Organic Seed Community Virtual Open House on 12/17
This event will center peer-to-peer learning, where experienced organic farmers can share their perspectives and knowledge with each other
California Organic Seed Summit on Feb 20-22, 2026
California Organic Seed Summit on Feb 20-22, 2026
The Summit is a gathering for California-based people working with seed to network, exchange knowledge, and develop collective actions to build equitable, abundant, and resilient seed systems in the state. Learn more
Resources
All Resources: Free Publications, How-To Guides, and more
All Resources: Free Publications, How-To Guides, and more
OSA regularly publishes and distributes resources free of charge. Our publications include manuals on how to conduct plant breeding, seed production, and variety trials; record keeping materials; proceedings from our Organic Seed Growers Conference; and policy reports, webinars, and more. Your donation at any level supports our ability to release new resources. If you use OSA’s resource library or are looking for seed education resources that you didn’t find in it, » Read more about: Publications »
Online Seed Production Course
Online Seed Production Course
Course Description Organic Seed Alliance is pleased to offer our Asynchronous Organic Seed Production Course! This interactive, self-paced course will explore the biological, technical, economic, and socio-political aspects of organic seed production. As a participant in this course, you can expect to come away with new knowledge, perspectives, and connections. This Organic Seed Production course is designed for farmers who are: 1) interested in transitioning to certified organic production or maintaining their certification, » Read more about: OSA’s Asynchronous Seed Production Course »
Seed Cleaning Toolkit / Manual para la Limpieza de Semillas
Seed Cleaning Toolkit / Manual para la Limpieza de Semillas
This resource is also available in Spanish This is a practical, “how to” guide, for beginning seed growers as well as for experienced growers wishing to increase their scale and efficiency of production to medium-large scale seed growing operations. This resource was supported by the Washington State Department of Agriculture Specialty Crop Block Grant.Have a method or tool you like to use for seed cleaning that you don’t see here? » Read more about: Seed Cleaning Toolkit »
Organic Seed Producers & Farm Directory
Organic Seed Producers & Farm Directory
Welcome to the Organic Seed Producers & Intern Host Farm Directory. This site is here to connect seed companies and wholesale seed buyers to organic seed producers, and seed growers with each other and prospective seed farm interns. There are a few ways that you can use this directory. If you have general questions about the directory and its functionality, please email Jared Zystro. If you are an organic seed producer, » Read more about: Organic Seed Producers & Intern Host Farm Directory »
Policy Platform for Seed
Policy Platform for Seed
Organic Seed Alliance's (OSA) Policy Platform for Seed calls on policy makers to #LeadWithSeed in the next Farm Bill.
State of Organic Seed, 2022
State of Organic Seed, 2022
🌻 Organic Seed Commons, a community of seed people
🌻 Organic Seed Commons, a community of seed people
Intellectual Property Rights on Seed: Resources & Tools
Intellectual Property Rights on Seed: Resources & Tools
In the U.S., navigating intellectual property rights that are commonly used on seed can be confusing and complicated. Over the years OSA has developed tools and organized learning events to help growers working with seed, plant breeders, and seed advocates learn and support alternative models. We’ve gathered the resources below as a one-stop-shop for understanding some of the many aspects of intellectual property rights used on seed. Table of Contents A Guide to Seed Intellectual Property Rights Reference Table for Intellectual Property Rights on Seed Seed Patent Watch USDA Fair and Competitive Seed Report Event Recordings A Guide to Seed Intellectual Property Rights A Guide to Seed Intellectual Property Rights was written by Paulina Jenney and adapted from her professional paper, » Read more about: Intellectual Property Rights on Seed: Resources & Tools »
Watch Recordings of the 2025 Organic Seed Growers Conference
Watch Recordings of the 2025 Organic Seed Growers Conference
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