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2016 IACC Conference - S51 Quality Trees 10/20/2016 1 Quality Trees, Quality Cities Washington State Department of Natural Resources Urban and Community Forestry Program Best practices for managing and caring for urban trees Forests, Trees = Infrastructure Forests, Trees = Assets Council of Tree and Landscape Appraisers (CTLA) Valuing Tree Benefits Investment in Urban Trees $1.00 Invested = $2.00 Returned Larger trees provide greater benefits What are “best practices”?

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Page 1: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

1

Quality Trees, Quality Cities

Washington State Department of Natural Resources

Urban and Community Forestry Program

Best practices for managing and caring for urban trees

Forests, Trees = InfrastructureForests, Trees = Assets

Council of Tree and Landscape Appraisers (CTLA)

Valuing Tree Benefits

Investment in Urban Trees

$1.00 Invested

=

$2.00 Returned

Larger trees provide greater

benefits

What are “best practices”?

Page 2: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

2

Reduce Risks

Control Costs

Maximize Services

Best Practices

Industry (ANSI) Standards• Z133 Safety Standard

• A300 Pruning Standard -Part 1

• A300 Soil Management Standard - Part 2

• A300 Lightning Protection Systems Standard - Part 3

• A300 Construction Management Standard - Part 4

• A300 Planting and Transplanting Standard - Part 6

• A300 Integrated Vegetation Management Standard - Part 7

• A300 Root Management Standard - Part 8

• A300 Tree Risk Assessment Standard - Part 9

• Z60 Standards for Nursery Stock

• Pruning (Spanish)

• Utility Pruning (Spanish)

• Tree Planting (Spanish)

• Integrated Vegetation Management (Spanish)

Overview of Best Practices for Tree Care

Right Tree, Right Place (above ground)

Right Tree, Right Place (below ground)

Page 3: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

3

Tree Planting

• Remove container, cage, burlap, tags, twine, etc.

• Locate root flare; plant at grade

• Dig a wide hole

• Stake only if necessary

• MULCH!

Tree Mulching

X

Tree Watering

How Much? How Often? When?

Tree Pruning

• Understand why you’re pruning

• Remove no more than 25% of the foliage

• DON’T TOP TREES!!!

• Enlist the services of an ISA Certified Arborist

Tree Topping is Wasteful, Costly and Dangerous

• Costs a lot of money

• Damages the tree

• Shortens trees’ lifespan

• Increases tree risks

• Undercuts tree benefits

Before After

Structural pruning in young trees

Page 4: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

4

Tree Protection Pesticide Application

Let’s rethink our use of pesticides in the urban landscape

Fertilization

When is fertilizer for trees really necessary?

Overview of Best Practices for Tree Management

Designate Authority

Either:

– Assign responsibility for tree-related issues to an existing staff member,

OR,

– Consider establishing a community tree board or committee

Adopt a Tree Ordinance

• Ordinance –

– A tool to guide or regulate behavior in favor of a preferred outcome

– There is no one size fits all ordinance, especially for trees

Page 5: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

5

Track Activities & CostsPublicly Recognize and Celebrate Trees

Include Trees in Other Planning Documents

• Comprehensive Plan

• Department-specific Management Plans

• Urban Forest Management Plan

• Emergency Management or Disaster Response Plan

http://www.vtfpr.org/urban/documents/PlanGuid.pdf

http://ufmptoolkit.com/resources-guides-to-UFMP.htm

Connect Trees with StormwaterManagement

“A Tree is a BMP”

Adopt Policies, Specifications and Standard Operating Procedures

Page 6: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

6

Practice and Promote Proper Tree Care

Hire an ISA Certified Arborist

Provide Staff TrainingDevelop Annual Contracts for

Tree Care Services, etc.

Develop an InventoryDevelop a Pruning Cycle and

Annual Work Plans

Page 7: Forests, Trees = Infrastructure Forests, Trees = Assets · for Tree Management Designate Authority Either: –Assign responsibility for tree-related issues to an existing staff member,

2016 IACC Conference - S51 Quality Trees 10/20/2016

7

Engage Your Local Utility Provider Urban Forest Management

A GUIDE TO COMMUNITY AND URBAN FORESTRY PROGRAMMING

WASHINGTON STATE DEPT. OF COMMERCE AND

THE EVERGREEN COMMUNITIES PARTNERSHIP TASK FORCE

Risks

CostsServices? The cost of prevention rarely exceeds the cost of repair/mitigation.

Seattle DOT

Value of Urban Forests?WA Department of Natural

Resources

Urban & Community Forestry

800-523-8733

www.dnr.wa.gov/urbanforestry

http://www.dnr.wa.gov/urbanforestry

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