Daniel Maple

ISA Board Certified Master Arborist PN-7970BM                                   ISA Certified Arborist Municipal Specialist PN-7970AM                     ISA Tree Risk Assessment Qualified                                                         Commercial Applicator License 92432

Daniel Maple is an ISA Board Certified Master Arborist, ISA Certified Arborist Municipal Specialist, ISA Tree Risk Assessment Qualified, with a Commercial Applicator License and has been serving the Arboriculture industry since 1987, as a Consultant to Cities, Municipalities, Property Managers, Professionals as well as the Private sector. Daniel has 30 years in the industry and the following specialized formal Arboricultural education:

We are constantly training and adding to our knowledge base, to bring you Scientific Based Solutions for all your Arboriculture needs, as this list is always changing please contact us for a comprehensive updated list.


  • Tree Risk Assessment Qualification (TRAQ) Course
  • Advanced Tree Risk Assessment Principles and Practices
  • Online, Tree Risk Assessment & Tree Protection: Weights and Balances
  • Biology- Tree Failure Risk Evaluations
  • Tree Risk-Strategies for Preserving Heritage Trees
  • Tree Risk-Visual Inspection Prior to Dismantling
  • Tree Risk-Mitigation and Reporting
  • Tree Risk-Indicators of Decay in Urban Trees
  • Tree Risk-Tree Anchorage: Root Plate Resistance to Failure
  • Tree Risk-Sap Rot: It Will Let You Down
  • Tree Risk-Structural Defects and Conditions
  • Tree Risk-Tree Load: Concept
  • Tree Risk-Loads and Growth Response
  • Tree Risk-Levels of Tree Risk Assessment
  • Tree Risk-Qualitative Tree Risk Assessment
  • Biology-How Wind Affects Trees
  • Biology- Blowing in the Wind
  • Developing Field Assessment Skills for Common PNW Tree Diseases
  • Tree Science- Identifying Wood Decay & Wood Decay Fungi in Urban Forest
  • Forest Health: ID and Management of Forest Insects & Diseases: Part 1 & 2
  • Wind Storm Workshop
  • Urban Forestry-Tree Risk Assessment: A Foundation

Tree Health Care  

  • Resource Allocation Trade-Off
  • Biology- Allelopathy in Trees
  • Biology-How Wind Affects Trees
  • Biology- Blowing in the Wind
  • Biology- Flow in the Phloem
  • Biology- Basic Woody Plant Biology
  • Biology-Tree Physiology
  • Biology-Fantasy, Facts, and Fall Color
  • Biology- Regulating Tree Growth: Keeping the Green Side Up
  • Biology-Tree Growth Rings: Formation & Form
  • Plant Health Care- Root System Care
  • Understanding Tree Responses to Stress Complexes
  • Flood-Damaged Trees
  • Plant Health Care- Trees Vs. Turf
  • Plant Health Care- Maintaining Tree & Turf Associations
  • Bark Traits are Important to Tree health and Survival

 Maintenance Trees & Lightning

  • Trees & Lightning
  • Cabling
  • Pollarding: What Was Old Is New Again
  • Training Young Trees for Structure & Form
  • Pruning Trees Part 1: Principles, Objectives & Pruning Types
  • Pruning Trees Part 2: How, Where and How Much
  • Why Utilities “V-Out” Trees
  • Sustainable Trees
  • Landscape Practices with Trees

Tree Selection & Planting

  • Tree Planting
  • Dendrology & Taxonomy
  • Right Tree, Right Location
  • Ten Keys to Plant and Site Selection
  • Tree Transplanting & Establishment
  • Girdling Root Formation in Landscape Trees
  • Post-Planting Maintenance of Trees & Shrubs
  • Tree Trunk Protection


  • Creating Wildlife Habitat Trees
  • Urban Forestry – The Benefit of Trees
  • Vegetation and Storm Water Runoff
  • Tree Science- How Critters use Bark & Wood as Food
  • Landscapes Restoration and Low Impact Development for Better Water Quality

Record Keeping/Documentation

  • Documenting Evidence, Practical Guidance for Arborists
  • ASCA Academy, Report Preparation and Documentation.


  • First Aid CPR AED
  • Tree Worker Safety Practices
  • Safe Work Practices-Tree Removals
  • Introduction to The Art and Science of Practical Rigging
  • Innovations in Climbing Techniques and Equipment
  • Understanding Mechanical Advantage
  • Engineering Concepts for Arborists
  • Felling Techniques
  • Chain Saw Cutting Techniques


  • Tree Science- Problems Related to pH
  • Soil Amendments and Transplant Survival
  • Soil Properties: Part 1 & 2
  • Soil Nitrogen: The Agony & The Ecstasy
  • Back to Basics: Tree Fertilization
  • Analyze Before You Fertilize
  • Slow or Controlled-Release Fertilizers
  • Fertilizing Trees & Shrubs Part 1 & 2
  • Mulch Part 1 & 2

Disease & Integrated Pest Management

  • PHC and the Diagnostic Process
  • Surefire Rules of Diagnosis
  • Want to Be A Better Plant Diagnostician?
  • Diagnosing Disease Problems on Trees
  • Plant Traits that Resemble Abiotic Disorders
  • Understanding Tree Responses to Abiotic and Biotic disorders
  • Diagnosing Abiotic Disorders
  • Diagnosing Biotic Disorders
  • Damage & Disorders: Steps to Proper Diagnosis
  • Understanding & Diagnosing Scale Insects on Woody Plants
  • How Weather Influences Insect & Mite Populations
  • Using Biological and Biorational Controls
  • Forest Health: ID and Management of Forest Insects & Diseases: Part 1 & 2
  • Bark Beetles; ID and Management

Tree Inventories

  • Urban Forestry-Tree Inventories Part 1
  • Urban Forestry-Tree Inventories Part 2
  • The State Agency Perspective, Statewide Tree Inventory Applications
  • Tree Plotter Goes Offline & Tech Talk

Municipal Planning

  • Municipal Arboriculture and Urban Forestry
  • Planning the Urban Forest
  • Assessing and Quantifying the Urban Forest
  • Maintaining the Urban Forest
  • Protecting the Urban Forest
  • Administrative Duties of the Municipal Arborist
  • Municipal, Campus & Citizen Forester Programs, Lessons from the Field
  • Introduction to Urban Forestry Online Course
  • Urban Forestry-Challenges for the Built Environment

 Urban Forestry

  • Preserving Trees During the Construction Process
  • Urban Forestry-Managing Trees During Construction Part 1& 2
  • Urban Forestry-Root Management Challenges on Urban Sites
  • Urban Forestry-Root Friendly Planting Site Design
  • Urban Forestry-Wildfire and the Role of the Arborist
  • Urban Forestry-Challenges for the Built Environment
  • Vegetation and Storm Water Runoff


  • Trees and the Law
  • Forensics in Arboriculture

WSU Master Gardener Program

  • Basic Botany
  • Plant Nomenclature & Identification
  • Soil Science
  • Urban Soil Management
  • Plant Mineral Nutrition & Fertilizers
  • Crops and Plant Materials
  • Vegetables, Home Orchards, Berries and Small Fruits, Lawns, Herbaceous Landscape Plants, Trees & Woody Landscape Plants
  • Backyard Forest Stewardship
  • Plant Health Care (PHC)
  • Plant Pathology
  • Plant Problem Diagnosis
  • Weed Management
  • Understanding Pesticides
  • Pruning Woody Landscape Plants
  • Composting
  • Fire-resistant Landscape for the Home and Community


ISA Board Certified Master Arborist PN-7970BM

ISA Certified Arborist Municipal Specialist PN-7970AM

ISA Tree Risk Assessment Qualified 

Commercial Applicator License 92432

First Aid CPR AED 

DOT Medical Card


Society Municipal Arborists – June 2005 to Present

Society of Commercial Arboriculture – June 2005 to Present

American Society of Consulting Arborists – June 2005 to Present

Utility Arborist Association – June 2005 to Present

Already Have an Idea of What Service You May Need? Schedule a Consultation.

Schedule Now