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Region: California

May 18, 2026

2026 California Organic Seed Summit (Virtual)

June 27, 2026 - June 28, 2026
Zoom I 10 am - 1 pm Pacific both days

The virtual 2026 California Organic Seed Summit will be held Sat June 27 and Sun June 28 from 10 a.m. - 1 p.m PST both days. The Summit is a …

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Colorful seed pattern background

March 18, 2026

Virtual Open House Quarterly Call

May 21, 2026
4 pm PST I Virtual

Virtual Open House Quarterly Call: OSA's OSPREY Research Project At this event, you'll hear the latest findings from trials on lettuce, …

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Organic seed field trial with harvested crops drying on tarps at research farm

Field Notes · March 13, 2026

OSPREY: Spring Cleaning


We’re busy behind the scenes preparing for the upcoming growing season as we transition from winter into spring. As we build upon our …

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February 20, 2026

Exploring Seed Cooperative Businesses as Potential Viable Models: Principles and Experiences

March 4, 2026
4:00 - 5:30 PM Pacific I Virtual

This webinar is for organic farmers who plan to open a commercial operation and want to learn about the principles, strengths ,and …

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collage of squash seed harvest and cleaning

Field Notes · December 15, 2025

OSPREY: Wrapping Up Year One


Organic Seed Alliance (OSA) and our research partners are wrapping up the first year of the Organic Seed Production Research on Economics …

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October 20, 2025

POSTPONED! 2025 California Organic Seed Summit

February 20, 2026 - February 22, 2026
Nevada City, CA

Due to a major storm rolling in we are postponing this event until further notice. Reach out to Jared Zystro jared@seedalliance.org if you …

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October 15, 2025

eOrganic OSPREY Seed Cleaning Webinar

November 4, 2025
11 am Pacific I Virtual

The Organic Research Production on Economics and Yield (OSPREY) project will co-deliver four webinars on seed production between 2025 and …

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August 15, 2025

Seed Saving Workshop with the Humboldt Permaculture Guild & OSA

September 14, 2025
12:30 - 3:00 pm Pacific

Seed Saving Workshop with the Humboldt Permaculture Guild & OSA Calling all backyard gardeners and seed growers! Come learn the …

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July 15, 2025

California Field Day at the CR Shively Farm

September 10, 2025

Local and regional seed growers will showcase several organic vegetable research and plant breeding projects.  Date: Weds, Sept 10th …

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Events, Seed Stories · December 17, 2024

Collective Dreams for the Future of Seed


On the weekend of November 15 - 17, 2024, seed enthusiasts gathered in Mt. Baldy for the California Organic Seed Summit. The weekend was …

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Field Notes · September 23, 2024

Sorghum and Mung Beans for Community Plant Breeding


Dozens of varieties of sorghum and mung beans are growing at OSA’s California Research Field at the College of the Redwoods Organic Farm in …

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June 10, 2024

California Organic Seed Summit

November 15, 2024 - November 17, 2024
Mt. Baldy, CA

We’re excited to announce that the next California Organic Seed Summit will be held November 15-17, 2024 in Mt. Baldy, California! …

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