Arborist Podcast
Arborist Podcast
The Arborist Podcast helps Certified Arborist candidates pass the ISA exam with clear, structured breakdowns of every domain — from Tree Biology to Soil Management and beyond.www.buymeacoffee.com/gjsea
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Arborist Podcast
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Podcast website
Latest episode
Jun 29, 2026
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Episodes
Tree Removal Cycles & Replacement Planning: Managing the Urban Forest Lifecycle (Ep.58) 27.03.2026 3:45
No tree lives forever. In Episode 58, we master the logistics of removal cycles and the critical importance of replacement planning for a sustainable canopy. The Deep Dive:In urban forestry, a removal shouldn't be a surprise—it should be a data-point. Today, we explore Lifecycle Management at scale. We move past the "emergency removal" mindset and into Proactive Removal Cycles, using inventory dat...
Pruning Cycles & Canopy Management: Moving from Reactive to Proactive Care (Ep.57) 26.03.2026 3:44
Don't wait for the storm to prune your trees. In Episode 57, we master the science of Pruning Cycles and the art of long-term canopy management. The Deep Dive:The most expensive way to manage a city's trees is to wait for a resident to call with a complaint. Today, we break down the Proactive Pruning Cycle—the scheduled system that ensures every tree is inspected and serviced on a 5-to-7-y...
Urban Tree Planting Programs: Strategy, Species Diversity, and Canopy Equity (Ep.55) 26.03.2026 3:41
Planting a tree is easy; growing a canopy is hard. In Episode 55, we go beyond the shovel to explore the logistics of large-scale Urban Tree Planting Programs. The Deep Dive:To move the needle on a city's canopy goals, you need more than a few volunteers—you need a data-driven strategy. Today, we break down how modern cities use GIS and Inventory Data to identify "Canopy Deserts" and...
Storm Damage & Emergency Tree Response: Triage, Safety, and Recovery (Ep.54) 26.03.2026 3:47
When the wind stops, the work begins. In Episode 45, we dive into the high-stakes world of Emergency Response and Storm Damage recovery. Storms are the ultimate test of an urban forest's resilience. Today, we move into "Triage Mode." We explore how arborists integrate with emergency management teams to clear critical infrastructure, prioritize "hangers" over blocked side st...
Tree Risk Mitigation: Pruning, Cabling, and Site Modification Strategies (Ep.53) 26.03.2026 3:36
You’ve found a defect—now what? In Episode 53, we master the art of Tree Risk Mitigation and the balance between public safety and tree preservation. The Deep Dive:In urban forestry, "Zero Risk" doesn't exist. Our job is to manage risk to an acceptable level. Today, we break down the three-pillar approach to mitigation: reducing the Likelihood of Failure, the Likelihood of Impact, an...
Tree Protection Ordinances: Navigating Permits, Mitigation, and Local Laws (Ep. 52) 26.03.2026 3:48
Biology meets the law. In Episode 52, we explore the tree ordinances and protection policies that turn a city's canopy into a legally protected asset. The Deep Dive:In the urban forest, a chainsaw isn't just a tool—it's a regulated activity. Today, we move beyond pruning cuts and into the courtroom. We break down the anatomy of a Tree Ordinance, from the permitting process for removals...
Tree Care Standards Explained: ANSI A300 and Best Management Practices (Ep.51) 25.03.2026 3:46
Arboriculture isn't just an art—it's a regulated science. In Episode 51, we dive into the ANSI A300 standards and the Best Management Practices (BMPs) that define our profession. Why do we prune at the branch collar? Why is "topping" a tree a violation of professional ethics? The answer lies in the ANSI A300 Standards. Today, we break down the American National Standards Institut...
Arborist Tools & Equipment: From Hand Pruners to Chainsaws (Ep.50) 25.03.2026 3:50
Knowledge is nothing without the right tools. In Episode 50, we break down the arborist's toolkit—from the precision of a hand saw to the power of a crane. The Deep Dive:Being a professional arborist means knowing that a chainsaw isn't always the answer. Today, we explore the mechanical side of tree care. We start with the precision of bypass pruners and loppers for young tree training, th...
Tree Work Safety Standards: PPE, Job Hazard Analysis, and ANSI Z133 (Ep.49) 25.03.2026 4:00
In arboriculture, there are no minor accidents. In Episode 49, we break down the safety protocols that keep crews alive and projects profitable. The Deep Dive:Heights, high-voltage, and heavy machinery—arboriculture is a high-stakes environment where a single oversight can be fatal. Today, we move beyond the gear and into the Safety Mindset. We explore the critical Job Hazard Assessment (JHA) that...
Work Planning & Maintenance Cycles: Proactive vs. Reactive Arboriculture (Ep. 48) 25.03.2026 3:53
Is your tree care strategy proactive or just a series of emergencies? In Episode 48, we master the art of work planning and the power of the maintenance cycle. The Deep Dive:In a perfect world, every tree would get the care it needs exactly when it needs it. In the real world of urban forestry, we have limited budgets, finite crews, and thousands of trees. Today, we bridge that gap. We explore the...
Tree Inventories & GIS: Managing Urban Forests with Big Data (Ep. 47) 25.03.2026 3:54
You can't manage what you don't measure. In Episode 47, we explore how Tree Inventories turn individual observations into a powerful roadmap for urban forest management. In the forest, nature manages itself. In the city, we need data. Today, we bridge the gap between field work and digital strategy. We break down the essential components of a Professional Tree Inventory—from species and DB...
Tree Inspection & Monitoring: Professional Protocols for Tree Health (Ep.46) 25.03.2026 3:54
A tree is a moving target. In Episode 46, we move from one-time tasks to the science of continuous monitoring and early detection. Arboriculture is often seen as a series of events—planting, pruning, removal. But the space between those events is where the real management happens. Today, we break down the fundamental difference between a Visual Tree Assessment (VTA) and long-term Monitoring. We ex...
Tree Pruning Around Power Lines: Directional Pruning & Utility Safety (Ep.45) 24.03.2026 3:56
Trees and power lines are a dangerous mix. In Episode 45, we go behind the scenes of utility arboriculture to master directional pruning and public safety. High-voltage lines and lush tree canopies often fight for the same urban airspace. Today, we explore the specialized world of Utility Vegetation Management (UVM). We move beyond "rounding over" and dive into Directional Pruning—the pr...
Root Management & Urban Infrastructure: Solving the Sidewalk Conflict (Ep.44) 24.03.2026 4:27
The biggest conflict in the urban forest happens under our feet. In Episode 44, we master root management and the high-stakes balance between tree health and city infrastructure. Most people think tree roots grow deep like a mirror of the canopy, but the reality is much more shallow—and much more problematic for our cities. Today, we explore the 12-to-18-inch zone where 90% of tree roots live and...
Tree Transplanting & Establishment: How to Beat Transplant Shock (Ep.43) 24.03.2026 4:14
Why do so many newly planted trees fail in the first year? In Episode 43, we master the science of transplanting and the "1 Year per Inch" rule for establishment. Moving a tree is a traumatic biological event. When we dig a tree from the nursery, it can lose up to 90% of its absorbing roots, creating a massive imbalance known as Transplant Shock. Today, we explore how to manage this &quo...
Tree Selection & Nursery Stock: How to Spot High-Quality Trees (Ep.42) 24.03.2026 4:13
Success starts at the nursery. In Episode 42, we break down the "Right Tree, Right Place" philosophy and show you how to identify hidden root defects before you buy. The most expensive mistake in arboriculture is planting the wrong species in the wrong spot. Today, we go back to the source. We explore the critical factors of site evaluation—from soil pH and drainage to infrastructure con...
Tree Preservation Strategies: Saving Mature Trees in Urban Environments (Ep.41) 24.03.2026 4:02
It takes 50 years to grow a landmark tree but only 50 minutes to cut it down. In Episode 41, we master the proactive science of Tree Preservation. Preservation is more than just "not cutting a tree down." It is a technical, multi-disciplinary approach to extending the life of our most valuable urban assets. Today, we shift from the reactive to the proactive, exploring how Soil Management...
Tree Removal Decision Making: Risk, Decline, and Infrastructure Conflicts (Ep. 40) 24.03.2026 4:04
When is a tree "too far gone" to save? In Episode 40, we tackle the hardest decision in arboriculture: the professional criteria for tree removal. As arborists, our goal is to preserve the canopy, but safety must always be the priority. Today, we break down the complex intersection of Risk Assessment, Severe Decline, and Irreconcilable Site Conflicts. We explore why removal is a manageme...
Plant Health Care (PHC) Explained: Proactive vs. Reactive Tree Maintenance (Ep.39) 23.03.2026 4:05
Are you a "tree doctor" or a "tree paramedic"? In Episode 39, we explore Plant Health Care (PHC)—the proactive strategy for preventing tree failure before it starts. In modern arboriculture, reacting to a dying tree is often too little, too late. Today, we break down the comprehensive framework of Plant Health Care (PHC). We move beyond the "emergency room" model of t...
Tree Pests and Diseases: Identification, Diagnosis, and IPM Strategies (Ep.38) 23.03.2026 4:16
Is that insect a friend or a foe? In Episode 38, we break down the science of tree diagnosis and why maintaining tree vitality is your best defense against pests. Even the most structurally sound tree can be brought down by the right pathogen. Today, we categorize the "Big Three" of tree pests—Defoliators, Borers, and Sap-feeders—and explore how they disrupt a tree's internal systems...
Tree Risk Assessment Fundamentals: Likelihood, Impact, and Consequences (Ep.37) 23.03.2026 3:51
There is no such thing as a "safe" tree. In Episode 37, we move away from guesswork and into the professional science of Tree Risk Assessment. In an urban environment, trees live in close proximity to people, cars, and buildings. This creates a complex responsibility for the modern arborist. Today, we break down the international standard for evaluating risk, moving beyond "safe vs....
Tree Cabling and Bracing: Structural Support Systems Explained (Ep.36) 23.03.2026 3:48
When pruning isn't enough to fix a structural defect, it's time for supplemental support. In Episode 36, we master the mechanics of cabling and bracing for high-value urban trees. Not every split or weak union means a tree has to come down. Today, we explore the "hardware" of arboriculture. We break down the functional difference between flexible cabling in the upper canopy and r...
Tree Protection During Construction: CRZ, Root Cutting & Soil Compaction (Ep.35) 23.03.2026 4:07
Construction doesn't kill trees instantly—it starts a "death spiral" that can last for years. In Episode 35, we master the science of the Critical Root Zone (CRZ) and how to save mature canopies. The greatest threat to a mature urban tree isn't a storm; it's a bulldozer. Today, we go beyond the fence to explore the biological impact of development. We break down the 1-Foot-pe...
Tree Fertilization: Why Most People Are Doing It Wrong (Macro vs. Micro) (Ep.34) 23.03.2026 4:16
Is fertilizer a "vitamin" or a "drug" for your trees? In Episode 34, we debunk the myth that more fertilizer equals a healthier tree and dive into the science of nutrient cycling. In the forest, nature recycles its own nutrients. In the city, we break that cycle by raking leaves and compacting soil. But does that mean you should reach for the fertilizer bag? Not necessarily. To...
Urban Forest Management vs. Arboriculture: Strategy Meets Practice (Ep.60) 22.03.2026 3:55
Urban forestry is the "Why," and Arboriculture is the "How." In Episode 60, we bring the entire series together to show how strategy becomes action. The Deep Dive:After 59 episodes of deep dives into soil, pests, pruning, and laws, it’s time to see the big picture. Today, we explore Integration—the bridge between high-level city canopy goals and the boots-on-the-ground work of...
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