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Crop: Purple sprouting broccoli

Field Notes · December 19, 2017

OSA Announces New Organic Seed Research


Organic Seed Alliance recently received a number of grants to support organic seed research and education throughout the country. From …

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Support Organic Seed · May 23, 2017

Business Member Spotlight: Organically Grown Company


OSA invites companies in the organic sector to support our work through our recently launched business membership program. Today we’re proud …

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Field Notes · May 4, 2017

Spring Days at the OSA Research Farm


Here at the OSA research farm in Chimacum, Washington, the days are getting longer, the soil is slowly drying out, greenhouse starts are …

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Pacific Northwest


The Pacific Northwest has some of the best seed producing areas in the world. For example, Brassica vegetable seed crops produced in …

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Resources · December 13, 2016

New Report Helps Organic Farmers Extend Their Vegetable Season


Organic Seed Alliance (OSA) released a report today that details variety trial results for storage cabbages, storage onions, overwintering …

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November 11, 2016

Vegetable Crops for Season Extension in the Pacific Northwest: 2014 – 2016 Trial Results


This report includes results from variety trials conducted on organic farms from 2014 to 2016 in multiple locations on the northern Olympic …

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Field Notes · April 25, 2016

Purple Sprouting Broccoli Now in Season!


In March, when another serving of kale fails to inspire, purple sprouting broccoli (PSB) pushes from its overwintering state to produce …

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Resources · July 6, 2015

New Purple Sprouting Broccoli Variety Trial Report


Organic Seed Alliance (OSA) released a report today that details variety trial results for purple sprouting broccoli grown in Oregon and …

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June 1, 2015

Purple Sprouting Broccoli 2014-2015 Trial Results


This report includes data from purple sprouting broccoli variety trials conducted in 2014 and 2015. Trials were located in Washington and …

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Field Notes · April 8, 2013

Purple is the New Green: Winter Sprouting Broccoli


Winter fields in Port Townsend, and the rest of the Pacific Northwest, generally offer little to eat. Organic Seed Alliance's variety trial …

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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