Green starts here

Registration re-opens August 17, 2026

WSU Extension > WA Green School > Registration

Green School

Pacific Northwest horticulture courses from WSU Extension

If you are currently enrolled in the 2025-2026 Washington Gardener Certificate, log in here until October 4, 2026.

The garden gate is open—register today!

Registration is now live for the 2026-2027 Washington Gardener Certificate course—join the movement to cultivate sustainability, grow community, and dig deep into research-based horticultural education. Your journey starts here.

Tip: Read this guide first for registration help. Registration Guide-WA Gardener Certificate | WA Green School | Washington State University

If you are currently a new trainee, intern, certified or emeritus WSU Extension Master Gardener or a WSU employee, please see instructions below.

WSU Employee Registration Discount

If you’re currently employed by WSU and wish to use the employee discount to register for Green School, simply check the box below to access the request form.

Are you an employee of Washington State University?(Required)

Yes

If you are not a WSU employee, please register using the general registration link.

Your Name(Required)

First Last

In which Washington State County do you reside?(Required)

Your WSU Email Address(Required)

Email Address Confirm Email Address

Please tell us how we can help you.(Required)

WSU Extension Master Gardener volunteers, interns, and trainees

If you are currently a new trainee, intern, certified or emeritus WSU Extension Master Gardener volunteer, please contact your county Program Coordinator for specific registration instructions in 2026.

Find your county program

Frequently Asked Questions

Green starts here

Green School

The garden gate is open—register today!

WSU Employee Registration Discount

WSU Extension Master Gardener volunteers, interns, and trainees

Still have questions?