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January 2020

January 27
Seattle, WA

ISA Tree Risk Assessment Qualification

January 27
Vancouver, WA

Basics of Tree Biomechanics

January 28
Vancouver, WA

Basics of Tree Biomechanics

February 2020

February 3
Oregon City, OR

Fruit Tree Pruning

February 10
Seattle, WA

Fruit Tree Pruning

February 13
Oregon City, OR

Tree Appraisal Techniques

March 2020

March 7
Central Point, Oregon

ISA Certified Arborist, Utility Specialist, and Municipal Specialist Exam

March 9
Oregon City, OR

Tree Risk Assessment Qualification Renewal

March 11
Oregon City, OR

ISA Tree Risk Assessment Qualification

March 13
Surrey, BC

Soil! What it is and How it Works for Trees

March 16
Seattle, WA

Soil! What it is and How it Works for Trees

March 20
Bend, OR

Tree Protection During Construction

March 23
Seattle, WA

ISA Tree Risk Assessment Qualification

March 25
Boise, ID

ISA Certified Arborist, Utility Specialist, and Municipal Specialist Exam

March 25
Surrey, BC

Laminated Root Rot Management in Urban Forests

March 26
Surrey, BC

Laminated Root Rot Management in Urban Forests

March 27
Seattle, WA

ISA Tree Risk Assessment Qualification Renewal

March 30
Surrey, BC

ISA Tree Risk Assessment Qualification

April 2020

April 2
Surrey, BC

ISA Tree Risk Assessment Qualification Renewal

April 6
Oregon City, OR

How to Manage and Prune Trees for Wildlife

April 8
Seattle, WA

How to Manage and Prune Trees for Wildlife

April 11
Spokane, WA

ISA Certified Arborist, Utility Specialist, and Municipal Specialist Exam

April 15
Online

(Live Interactive Webinar) Climate Change Impacts on PNW Trees Symposium

April 15
Seattle, WA

(In-person) Climate Change Impacts on PNW Trees Symposium

April 29
Mt Vernon, WA

Pruning, Planting and Selecting for Street Tree Diversity

May 2020

May 7
Victoria, BC

ISA Tree Risk Assessment Qualification Renewal

May 11
Boise, ID

ISA Tree Risk Assessment Qualification

May 12
Seattle, WA

Basic Tree Identification

May 13
Seattle, WA

Advanced Tree Identification

May 14
Boise, ID

Tree Disorder Diagnosis

May 14
Boise, ID

Why Trees Fail – The Physics of Windstorm Tree Failure

May 15
Boise, ID

ISA Tree Risk Assessment Qualification Renewal

June 2020

June 4
Oregon City, OR

Basic Tree Identification

June 5
Oregon City, OR

Advanced Tree Identification

June 8
Seattle, WA

ISA Tree Risk Assessment Qualification

June 11
Seattle, WA

ISA Tree Risk Assessment Qualification Renewal

June 15
Oregon City, OR

ISA Tree Risk Assessment Qualification Renewal

June 17
Oregon City, OR

ISA Tree Risk Assessment Qualification

June 22
Surrey, BC

ISA Tree Risk Assessment Qualification

June 25
Surrey, BC

ISA Tree Risk Assessment Qualification Renewal

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