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Organic Seed Alliance

Putting the power of seed into the hands of growers

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Region: International

Colorful seed pattern background

OSA Quarterly Call May 2nd, 2025: Participatory Plant Breeding


Upcoming Calls I Suggest a Topic Speakers: Almendra Cremaschi (Bioleft, University of San Martin), Solveig Hanson (Cornell University / …

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Conference Guide · June 13, 2025

The Seeds We Plant: Celebrating the Impact of OSGC 2025


What happens when nearly 700 seed growers, plant breeders, researchers, and advocates come together from across North America and beyond? …

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Recently transplanted Dark Star Zucchini at the CR Shively Farm in Humboldt County, California. Photo courtesy of Molly Travis (OSA)

Field Notes · June 11, 2025

Updates from the Field: OSPREY


The Organic Seed Production Research on Economics and Yield (OSPREY) project is off to a great start during our first growing season, with …

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Colorful seed pattern background

Open House Quarterly Call Series


As we look toward the Organic Seed Growers Conference 2027, we're nurturing something a little different... For the upcoming Quarterly …

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Organic Seed Growers Conference


A biennial gathering by and for agroecological seed communities in the U.S. and across the world The Organic Seed Growers Conference …

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Colorful seeds - Our Seeds Our Future

April 2, 2025

Our Seeds, Our Future: Protecting Biodiversity and Farmers’ Rights

April 23, 2025
6 AM Pacific | Virtual

Organic Seed Alliance is pleased to be participating in IFOAM Organics International's upcoming event, Our Seeds, Our Future: Protecting …

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2025 Organic Seed Growers Conference


2025 Conference Photos Photos by Shawn Linehan, visit the gallery with full photo captions on Shawn's website here. …

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2025 Organic Seed Growers Conference


2025 Conference Photos Photos by Trav Williams of Broken Banjo Photography …

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2025 Organic Seed Growers Conference


2025 Conference Photos Photos by Matthew R. Stover of Delta Creative Agency …

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Conference Guide, Events · November 14, 2024

OSGC 2025: Weaving Visions of Organic Seed Communities


As the 2025 Organic Seed Growers Conference approaches, we are excited to unveil this year's theme: "Weaving Visions of Organic Seed …

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Events, Seed Ethics, Seed Policy, Seed Stories · September 23, 2024

Registration Now Open for the 12th Organic Seed Growers Conference!


Hello, seed enthusiasts! OSA is thrilled to announce that registration is now open for the 12th Organic Seed Growers Conference, taking …

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Protected: 2025 Organic Seed Growers Conference


This content is password-protected. To view it, please enter the password below. Password: …

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Organic Seed Alliance is a 501(c)(3) nonprofit organization. EIN 51-0175667.

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Request for Proposals are LIVE!

In 2027, we will have separate In-person (March 26th & 27th) and Virtual (March 30th & 31st) components, providing an interactive agenda of workshops, demonstrations, farm tours, lightning talks, art, seed swaps, affinity spaces, keynote presentations, and of course – celebration!

RFP due July 1st, 2026
Submit a proposal