• Skip to primary navigation
  • Skip to main content
  • Skip to footer

Organic Seed Alliance

Putting the power of seed into the hands of growers

  • News
  • Programs
    • Education
      • 2026 Organic Seed Production Online Course
      • 2026 On-Farm Plant Breeding for Resilient Organic Systems | Online Course
    • Research
      • The OSPREY Project
    • Advocacy
    • Outreach
  • Publications
    • Recent Publications
    • How-to Guides
    • Reports
    • Webinars
    • Worksheets & Record-keeping
    • Conference Proceedings
    • All Publications
  • Resources
    • Courses
      • Organic Seed Production
      • On-Farm Plant Breeding for Resilient Organic Systems
      • Asynchronous Organic Seed Production
      • Midwest Organic Seed Production
    • Online Toolkits
      • Variety Trial Tool
      • Seed Economics Toolkit
      • Seed Cleaning Toolkit
    • Organic Seed Producers & Farm Directory
    • Seed Policy Platform
    • State of Organic Seed
    • Organic Seed Commons
    • Intellectual Property Rights on Seed
    • OSA’s YouTube Channel
  • Events
    • Upcoming Events
    • Open House Quarterly Call Series
    • Organic Seed Growers Conference
  • About
    • About OSA
    • Impact
    • Staff & Board
      • Employment Opportunities
    • Press & Media
    • Seed FAQ
    • Contact Us
  • Give

Crop: Tomatoes

Field Notes · June 10, 2026

Join the OSPREY Participatory Seed Yield Trials: Building Knowledge for Organic Seed Systems


Are you interested in being paid to conduct seed yield trials while contributing to vital research that will benefit seed producers across …

Continue Reading

Team News · May 22, 2026

2026 OSPREY Field Research Trials 


OSPREY (Organic Seed Production Research on Economics and Yield) is a multi-year project funded by the Organic Research and Extension …

Continue Reading

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 …

Continue Reading

February 27, 2026

eOrganic TOMI Webinar: Challenges in Breeding Tomatoes for Both Flavor and Disease Resistance

March 24, 2026
Virtual I 11 am PST

Join eOrganic for a webinar on challenges in breeding tomatoes with the ideal combination of great flavor and disease resistance! …

Continue Reading

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 …

Continue Reading

A headshot of Vivien Sansour, the founder of the Palestine Heirloom Seed Library and a 2025 Organic Seed Growers Conference Keynote Speaker. She is wearing a black lace-patterned dress and large, beaded earrings, and is holding a necklace with a round pendant. The background is a park with blurry trees and people. The photo was taken by Matthew Stover of Delta Creative Agency.

Seed Stories · September 24, 2025

Palestine Heirloom Seed Library Update


In collaboration with Jen Williams of Wild Dreams Farm and participants of the 2025 Organic Seed Growers Conference, the Palestine Heirloom …

Continue Reading

July 15, 2025

Washington Field Day at the Chimacum Research Farm

September 13, 2025 - September 14, 2025
OSA's research farm at Finnriver Farm & Cidery, Chimacum, WA 

Save the date: Visit Organic Seed Alliance's Chimacum Research Farm during the 2025 Washington Field Day. Coinciding with the …

Continue Reading

September 23, 2024

Major New Organic Seed Research Project Launched to Strengthen Organic Seed Systems


Port Townsend, Washington - September 12th - Organic Seed Alliance (OSA) and a consortium of research partners are pleased to announce the …

Continue Reading

August 6, 2024

Washington Field Day and Buckwheat Festival

August 26, 2024
10:00 a.m. to 12:00 noon; and 2:00 -  6:00 p.m. | OSA's research farm at Finnriver Farm & Cidery, Chimacum, WA 

Farm Tour Field Day - 10:00 am - 12:00 noon. All are invited to join the OSA NW Research and Education team for a field walk and tasting to …

Continue Reading

Events · September 21, 2023

Highlights from the 2023 Midwest Regional Seed and Plant Breeding Field Day


On a bright and beautiful day in the middle of August, Organic Seed Alliance and partners hosted a field day at Nature and Nurture Farm …

Continue Reading

August 22, 2023

OSA’s Washington Community Field Day

September 11, 2023
4:00 – 6:00 P.M. | OSA'S RESEARCH FARM AT FINNRIVER FARM & CIDERY | 124 CENTER ROAD | CHIMACUM, WASHINGTON

RSVP today to join the Organic Seed Alliance team for our annual Washington Community Field Day on Monday, September 11, 2023. We’ll …

Continue Reading

June 20, 2023

Midwest Regional Seed and Plant Breeding Field Day

August 19, 2023
11:00 a.m. – 2:00 p.m. Eastern | Nature and Nurture Seeds Farm | 7100 Marshall Road | Dexter, Michigan

RSVP today to join OSA and University of Wisconsin-Madison's Seed to Kitchen Collaborative for the Midwest Regional Seed and Plant Breeding …

Continue Reading

Next Page »

Footer

Seed Alliance logo

Putting the power of seed into the hands of growers

  • Email
  • Facebook
  • Instagram
  • LinkedIn
  • YouTube
Subscribe to Our Newsletter

Copyright © 2026 Organic Seed Alliance · All Rights Reserved · Website by Tomatillo Design

Putting the power of seed into the hands of growers

PO Box 772
Port Townsend, WA 98368

  • Facebook
  • Instagram
  • LinkedIn
  • YouTube

About
About OSA
Staff & Board
Impact
Careers
Contact Us

Programs
Research
Education
Advocacy
Outreach

Organic Seed Commons
State of Organic Seed

Get Involved
Advocate
Donate
Participate

Subscribe

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

© 2026 Organic Seed Alliance. All Rights Reserved.

Privacy Policy

Charitable Disclosure

OSGC Request for Proposals are LIVE!

In 2027, Organic Seed Growers Conference 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 15th, 2026
Submit a proposal