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Washington State University

Our office is moving in July!

NOTE: June 30, 2022 will be the last day we will be open so we can pack and move.

Research projects and community programs scheduled outside of our physical office will continue as planned. If you need to reach us, email us ( or leave us a message on our voicemail, (360) 778-5806, so we can respond to you as soon as possible.

We will open at our new location on July 18th at: 600 Dupont Street, Bellingham, WA

Cool Season Cover Crops

As part of this trial period, these presentations are made available for FREE, but we ask that you register, then fill out an eight question survey upon completion.


Please register here to view these Winter Cover Crop Classes.

100-Level Background on Cool Season Cover Crops

Cool Season Cover Crop Overview

Chris Benedict, WSU Extension


Cover Crops and Nitrogen Management

Craig Cogger WSU Puyallup R&E Center


Soil quality, fertility, and cover crops

Doug Collins, Small Farms Educator

200-Level Cool Season Cover Crops and Their Use

Cover Crop Types and Blends

Craig Cogger, WSU Puyallup


Cover Crop Choice and Rotational Integration

Chris Benedict, WSU Extension


Cool Season Cover Crops and Nitrogen Management

Andrew Lawson, Graduate Student Crops and Soil Science Department


Interseeded Cool Season Cover Crops

Andy Bary, WSU Puyallup R&E Center


Within Season Nitrogen Management on Organic Vegetable Farms

Nick Andrews, OSU Small-Farms Extension


Using the OSU Organic Fertilizer and Cover Crop Calculator

Nick Andrews, OSU Small-Farms Extension