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Professional tree care from biology to risk assessment. Practitioner-depth guides on tree structure, safety, pruning standards, and urban forestry.
Understand the macroscopic anatomy of trunks, branches, and twigs: trunk taper and live crown ratio, branch collar and included bark, and the buds, nodes, and internodes that map next season's growth.
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How the vascular cambium builds wood and bark: xylem, phloem, sapwood, heartwood, growth rings, rays, reaction wood, and why bark damage is worse than it looks.
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How to prune young trees for storm resistance, structural integrity, and decades of trouble-free growth in Western Washington.
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Walk through any Western Washington neighborhood in early spring, and you'll spot the evidence: trees that look like they've been given blunt haircuts,
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