Events & Programs AllGreen Industry EventsWAA Events Jan 15 2020 Plant Healthcare Seminar: Preserving Majestic Oak Trees in the Landscape 2020 Garden & Landscape Expo TCI Winter Management Conference Nov 26 2019 2020 WAA/DNR Annual Conference Sep 25 2019 ISA Certified Arborist, Utility Specialist, Municipal Specialist, Certified Tree Worker Climber Specialist, and Aerial Lift Specialist Written Exam Jan 3 2020 Landscape Professionals Conference TCIA CTSP Workshop – Chicago
