In light of the expansion of the regulated area for Hemlock Woolly Adelgid this fall in Ontario (click here for announcement), CNLA and OMAFA are hosting a webinar on December 10th for nursery growers to understand the biology of this pest, management tools, and what is needed to comply with new regulations around shipping hemlocks in Ontario.
If you grow or ship Hemlock, Yeddo spruce, and or Tiger-tail spruce in Ontario: this webinar is for you!

Click ‘continue reading’ for details on the webinar and the link to register.
Webinar Details & Registration:
December 10, 2025 at 1:00pm EST on Zoom
REGISTER NOW: Click here
Join industry and provincial experts for a practical webinar on managing Hemlock Woolly Adelgid in hemlock. Infested places in Ontario now include the region of Niagara, the county of Haldimand, the City of Hamilton and the township of Alnick/Haldiman. Growers in these regions now need a movement certificate from CFIA to ship hemlock out of the regulated area.
The webinar will cover:
HWA-Biology: Hannah Fraser, Entomologist for Horticulture, OMAFA
– HWA Threats and Impact
– Biology
– Monitoring and Scouting
HWA-Management: Cassie Russell, Nursery & Landscape Specialist, OMAFA
– IPM for HWA and currently registered tools for nurseries
– Understanding the use of oils that are needed to meet current phytosanitary requirements
HWA-Phytosanitary Requirements: Jamie Aalbers, Growers Specialist, CNLA
– Options available for shipping out of the infested areas under D-07-05
– CFIA’s HWA Nursery Program
