Washington Green School Now Enrolling through September 30!

Love gardening but find it challenging in Washington’s unique climates?

Earning a Washington Gardener Certificate can help! Learn research-based techniques to create a thriving garden that also benefits our environment. From water conservation to supporting local ecosystems, discover how your gardening choices make a difference. Gain the knowledge and skills to garden responsibly in our changing climate. Learn practical techniques, connect with experts, and discover how your actions contribute to a healthier future for all.

Earn a Washington Gardener Certificate in this fully online course offered once a year. Complete the same curriculum required of WSU Master Gardener volunteers—covering soil health, plant care, pest management, sustainable practices, and more—without the volunteer commitment.

Ideal for: Home gardeners, educators, and landscape professionals seeking expert knowledge and eco-friendly gardening skills.

Registration is open until September 30, 2026. Classes start October 5, 2026 and run through February 28, 2027.