2025 – 2026 Recertification Courses
- C&T Webinars are now open for registration – please visit our registration site here
- * In 2026, the second day of our In-Person Recertification Events will include the presentation of the
“Certification & Training (C&T) Course”.- This course will meet WSDA’s requirements for most applicators to comply with C&T changes.
- The Certification and Training (C&T) Internet Course will also be available beginning January 1, 2026.
- This internet course will meet WSDA’s requirements for most applicators to comply with the C&T changes.
For more information visit – WSDA Certification and Training (C&T) Rule Changes
In-Person Recertification
- Early bird registrations receive a discounted registration fee of $60.00 per day.
- Regular registration fees increase to $90.00 per day, 2 weeks prior to the event.
- Continuing education credits (CEUs) under the International Society of Arboriculture Certification Program will also be offered for Western Washington recertification events.
- In 2026, the second day of our In-Person Recertification Events will include the presentation of the
“Certification & Training (C&T) Course”.- This course will meet WSDA’s requirements for most applicators to comply with C&T changes.
Eastern Washington
| Date | Location | Registration |
|---|---|---|
| November 19-20, 2025 | Benton County Fairgrounds Kennewick, WA | Registration is closed |
| January 28-29*, 2026 | Yakima Convention Center Yakima, WA | Registration is closed |
| February 11-12*, 2026 | Mirabeau Park Hotel & Convention Center Spokane, WA | Registration is closed |
| February 18-19*, 2026 | Benton County Fairgrounds Kennewick, WA | Registration is closed |
| February 23-24*, 2026 | Courtyard by Marriott – Pullman Pullman, WA | Register for Pullman Recertification |
This course will meet WSDA’s requirements for most applicators to comply with C&T changes.
Western Washington
| Date | Location | Registration |
|---|---|---|
| December 10-11, 2025 | Lynnwood Event Center Lynnwood, WA | Registration is closed |
| January 21-22*, 2026 | Pacific Lutheran University Anderson University Center Tacoma, WA | Registration is closed |
| March 11-12*, 2026 | Skagit County Fairgrounds – Building C Mount Vernon, WA | Register for Mount Vernon Recertification |
| March 18-19*, 2026 | WSU Vancouver – VDEN 110 Dengerink Administration Building Vancouver, WA | Register for Vancouver Recertification |
| March 25-26*, 2026 | Pacific Lutheran University Anderson University Center Tacoma, WA | Register for Tacoma Recertification (March) |
This course will meet WSDA’s requirements for most applicators to comply with C&T changes.
Spanish Recertification
| Date | Location | Registration |
|---|---|---|
| December 10-11, 2025 | Lynnwood Event Center Lynnwood, WA | Registration is closed |
Online Recertification Webinars
- Credits Requested for each webinar: 3 WSDA, 3 ODA, 3 ISDA
- Continuing education credits (CEUs) under the International Society of Arboriculture Certification Program will also be offered.
- Registration for each 3 hour webinar is $30.00 per person.
- WSDA CREDITS ONLY – WSU is offering a Group Viewing Option for the live webinars.
Register for Recertification Webinars Here!
December 1, 2025
- WSDA’s Update on Pesticide Compliance (WSDA)
- Biology and Management of Ants (Laurel Hansen)
- Pesticide Fate, Transport and Label Changes: Converting Nonsense into Cents (Abigail Nickelson)
December 2, 2025
- Pollinators and Pesticides (Tracey Peters)
- WA’s Holistic Approach to Preventing Aquatic Invasive Species (Maria Marlin)
- Spray Adjuvants: How They Work and Improve Product Performance (Henry Wetzel)
December 15, 2025
- Pesticide Potions Class: A Magical Journey into Pesticide Formulations and Mixing (Chrissie Segars)
- WSDA’s Certification & Training Updates (WSDA)
- Sick Tree? Don’t Panic! (Kevin Zobrist)
December 16, 2025
- Is it Safe? Understanding and Communicating Pesticide Risk (Meridith Cocks)
- Codling Moth Management in Apples and Pears (Tobin Northfield)
- Evaluation of mechanical and automated in-row cultivators for weed control in conventional processing tomatoes (Amber Vinchesi-Vahl)
January 9, 2026
- Pollinators WSDA’s Update on Pesticide Compliance (WSDA)
- Pesticide Fate, Transport and Label Changes: Converting Nonsense into Cents (Briana Rhode)
- Pollinators and Pesticides (Katie Buckley)
January 16, 2026
- Mulch Matters! Impact of Mulches on Crop Production (Lisa DeVetter)
- Biology of Common Polygonaceae Weeds in Blueberries and Red Raspberries and Management Options (Chris Benedict)
- Sick Tree? Don’t Panic! (Kevin Zobrist)
January 23, 2026
- How do Invasive Species Spread and Colonize Space (Laura Kraft)
- Understanding the Basics of Integrated Pest Management for Washington Specialty Crops (Louis Nottingham)
- Turfgrass Insect Pests of Concern (Todd Murray)
January 30, 2026
- The Buzz on Optimizing Pollination and Protecting Pollinators (Lisa DeVetter)
- Herbicide Resistance and Integrated Weed Management (Rui Liu)
- WSDA’s Certification and Training Updates (WSDA)
Additional Information
Recertification training is for licensed pesticide applicators and other professionals interested in courses that provide science-based information on integrated pest management, pesticide regulations, personal safety when using pesticides and environmental protection.
WSU Pesticide Resources and Education courses will be held via webinar and in-person during the 2025-2026 training season.
Internet Recertification Courses in English and Spanish are also available through the WSU Pesticide Resources and Education Program.