Pacific Northwest ISA

The mission of the Pacific Northwest Chapter of the International Society of Arboriculture (PNW-ISA) is to foster a greater appreciation of trees and promote the professional practice of arboriculture through education, research, and technology. PNW-ISA is a 501(c)(3) nonprofit organization serving members in Alaska, Idaho, Oregon, Washington and British Columbia.

FEIN: 91-1492542

Upcoming (0)

Sorry, there are no upcoming events

Past (326)

Pruning, Planting and Selecting for Street Tree Diversity primary image

Pruning, Planting and Selecting for Street Tree Diversity

Wed, Nov 4 • 9:30 AM

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Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Thu, Oct 29 • 9:00 AM

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Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Wed, Oct 28 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Oct 14 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal - Event Closed primary image

ISA Tree Risk Assessment Qualification Renewal - Event Closed

Thu, Sep 17 • 10:00 AM

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ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Thu, Sep 17 • 8:00 AM

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Advanced Tree Identification - CANCELLED primary image

Advanced Tree Identification - CANCELLED

Thu, Sep 3 • 9:00 AM

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Basic Tree Identification -- CANCELLED primary image

Basic Tree Identification -- CANCELLED

Wed, Sep 2 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Aug 26 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal - SOLD OUT primary image

ISA Tree Risk Assessment Qualification Renewal - SOLD OUT

Mon, Aug 24 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Mon, Aug 24 • 8:00 AM

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

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

Tue, Aug 18 • 8:30 AM

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Pruning, Planting and Selecting for Street Tree Diversity primary image

Pruning, Planting and Selecting for Street Tree Diversity

Wed, Nov 4 • 9:30 AM

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Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Thu, Oct 29 • 9:00 AM

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Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Wed, Oct 28 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Oct 14 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal - Event Closed primary image

ISA Tree Risk Assessment Qualification Renewal - Event Closed

Thu, Sep 17 • 10:00 AM

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ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Thu, Sep 17 • 8:00 AM

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Advanced Tree Identification - CANCELLED primary image

Advanced Tree Identification - CANCELLED

Thu, Sep 3 • 9:00 AM

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Basic Tree Identification -- CANCELLED primary image

Basic Tree Identification -- CANCELLED

Wed, Sep 2 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Aug 26 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal - SOLD OUT primary image

ISA Tree Risk Assessment Qualification Renewal - SOLD OUT

Mon, Aug 24 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Mon, Aug 24 • 8:00 AM

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

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

Tue, Aug 18 • 8:30 AM

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The mission of the Pacific Northwest Chapter of the International Society of Arboriculture (PNW-ISA) is to foster a greater appreciation of trees and promote the professional practice of arboriculture through education, research, and technology. PNW-ISA is a 501(c)(3) nonprofit organization serving members in Alaska, Idaho, Oregon, Washington and British Columbia.

FEIN: 91-1492542

Events

Sorry, there are no upcoming events
Pruning, Planting and Selecting for Street Tree Diversity primary image

Pruning, Planting and Selecting for Street Tree Diversity

Wed, Nov 4 • 9:30 AM

Check ticket price on event

Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Thu, Oct 29 • 9:00 AM

Check ticket price on event

Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Wed, Oct 28 • 9:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Oct 14 • 8:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal - Event Closed primary image

ISA Tree Risk Assessment Qualification Renewal - Event Closed

Thu, Sep 17 • 10:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Thu, Sep 17 • 8:00 AM

Check ticket price on event

Advanced Tree Identification - CANCELLED primary image

Advanced Tree Identification - CANCELLED

Thu, Sep 3 • 9:00 AM

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Basic Tree Identification -- CANCELLED primary image

Basic Tree Identification -- CANCELLED

Wed, Sep 2 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Aug 26 • 8:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal - SOLD OUT primary image

ISA Tree Risk Assessment Qualification Renewal - SOLD OUT

Mon, Aug 24 • 8:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Mon, Aug 24 • 8:00 AM

Check ticket price on event

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

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

Tue, Aug 18 • 8:30 AM

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Pruning, Planting and Selecting for Street Tree Diversity primary image

Pruning, Planting and Selecting for Street Tree Diversity

Wed, Nov 4 • 9:30 AM

Check ticket price on event

Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Thu, Oct 29 • 9:00 AM

Check ticket price on event

Laminated Root Rot Management in Urban Forests primary image

Laminated Root Rot Management in Urban Forests

Wed, Oct 28 • 9:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Oct 14 • 8:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal - Event Closed primary image

ISA Tree Risk Assessment Qualification Renewal - Event Closed

Thu, Sep 17 • 10:00 AM

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ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Thu, Sep 17 • 8:00 AM

Check ticket price on event

Advanced Tree Identification - CANCELLED primary image

Advanced Tree Identification - CANCELLED

Thu, Sep 3 • 9:00 AM

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Basic Tree Identification -- CANCELLED primary image

Basic Tree Identification -- CANCELLED

Wed, Sep 2 • 9:00 AM

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ISA Tree Risk Assessment Qualification primary image

ISA Tree Risk Assessment Qualification

Wed, Aug 26 • 8:00 AM

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ISA Tree Risk Assessment Qualification Renewal - SOLD OUT primary image

ISA Tree Risk Assessment Qualification Renewal - SOLD OUT

Mon, Aug 24 • 8:00 AM

Check ticket price on event

ISA Tree Risk Assessment Qualification Renewal primary image

ISA Tree Risk Assessment Qualification Renewal

Mon, Aug 24 • 8:00 AM

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

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

Tue, Aug 18 • 8:30 AM

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