Tree Care Tools: Pruning, Trimming, and When to Call an Arborist

What You Can Safely Do

Prune branches under 2 inches in diameter, reachable from the ground or a 6-foot ladder. This covers most ornamental trimming, dead-branch removal on small trees, and shrub shaping.

Remove small dead trees (under 6 inches in trunk diameter, leaning away from structures). These can be cut at the base with a handsaw or chainsaw and allowed to fall in the lean direction.

Trim hedges and shrubs to any size. Hedge trimmers and pruning shears handle all of this work safely from the ground.

Apply mulch around tree bases (keep it 3 to 6 inches away from the trunk to prevent rot). Spread fertilizer per the tree species' requirements.

What Needs an Arborist

Any branch over a power line. Call the utility company. They trim for free around their lines. Never work near power lines with any tool.

Any branch that requires a ladder taller than 6 feet. Chainsaws and pole saws on extension ladders is how people die. Arborists use climbing gear, bucket trucks, and rigging systems designed for this work.

Trees within falling distance of a structure. If the tree can hit your house, garage, fence, car, or power line when it falls, a professional determines the felling direction and rigs it if needed.

Trees with structural defects: large cracks in the trunk, co-dominant leaders (two trunks splitting from a V-crotch), fungal fruiting bodies (mushrooms growing on the trunk or root flare), and trees that lean suddenly. These are hazard assessments that require arborist training.

Any tree over 12 inches in trunk diameter unless you have chainsaw experience and the tree is in open space with a clear fall zone.

Hand Tools for Pruning

Bypass pruning shears ($15 to $40). For branches under 3/4 inch. Bypass (scissor-action) blades make clean cuts that heal quickly. Anvil-style pruners crush the branch and are only for dead wood. Felco, Fiskars, and Corona are the standard brands. Sharpen once a season with a diamond file.

Loppers ($25 to $60). For branches 3/4 to 2 inches. Essentially pruning shears with long handles for leverage. Bypass style for clean cuts on live wood. Gear-driven loppers (Fiskars PowerGear) reduce the effort by 3x. Handle length: 28 to 32 inches is the sweet spot for most work.

Pruning saw ($20 to $40). For branches 2 to 5 inches. A curved-blade pull saw (cuts on the pull stroke) is faster and safer than a bow saw in tight spaces. Folding pruning saws (Corona RazorTOOTH, Silky) fit in a back pocket and open to 10 to 14 inch blades. The teeth are aggressive: you'll be surprised how fast they cut.

Hedge shears ($25 to $40). For shaping hedges and shrubs. Manual hedge shears (Fiskars, ARS) are quieter and more precise than powered hedge trimmers for small jobs. Wavy-edge blades grip branches instead of letting them slide out.

Power Tools for Larger Work

Pole saw ($100 to $300 battery, $150 to $400 gas). For branches above head height that you can't reach from the ground. A pole saw extends your reach to 12 to 15 feet from ground level. Battery-powered pole saws are lighter and quieter. Gas pole saws have more power for thicker branches. The bar is typically 8 to 10 inches.

Hedge trimmer ($60 to $200 battery). For large hedge runs where hand shears take too long. Blade length: 22 to 24 inches for most hedges. Dual-action blades (both blades move) vibrate less and cut more evenly than single-action. Battery models are powerful enough for most residential hedges.

Chainsaw ($150 to $400 battery, $200 to $500 gas). For felling small trees and bucking (cutting into sections) downed trees. Bar length: 14 to 16 inches handles most homeowner tasks. Battery chainsaws (EGO, DeWalt, Milwaukee) are powerful enough for trees up to 12 inches in diameter and don't require the fuel mixing and maintenance of gas saws.

Chainsaw safety gear: chaps ($40 to $80, non-negotiable), safety glasses, hearing protection, gloves, hard hat with face screen (for felling). Chainsaw chaps contain layers of Kevlar fibers that jam the chain in milliseconds if the saw contacts your leg. They work. Wear them every time.

Pruning Technique Basics

The three-cut method for branches over 2 inches: Cut 1 (undercut): saw upward from the bottom, 6 to 12 inches from the trunk, cutting about 1/3 through the branch. Cut 2 (top cut): saw downward a few inches farther out from Cut 1. The branch will break off between the two cuts, and the undercut prevents bark from tearing down the trunk. Cut 3 (final cut): remove the stub just outside the branch collar (the swollen ring where the branch meets the trunk). Don't cut flush with the trunk. The branch collar contains healing tissue.

Never top a tree. Topping (cutting the main leaders back to stubs) is the worst thing you can do to a tree. It causes rapid, weak regrowth that's more hazardous than the original branches, exposes the trunk to rot, and disfigures the tree permanently. If a tree is too tall, an arborist can reduce its height properly through crown reduction.

Timing matters. Prune deciduous trees in late winter (dormant season) for structural cuts. Prune spring-flowering trees right after they bloom. Prune summer-flowering trees in late winter. Remove dead branches any time. Avoid pruning oaks from April through July in regions with oak wilt disease.

Clean your tools between trees (especially if removing diseased branches). Rubbing alcohol or a 10% bleach solution on the blades prevents spreading disease from tree to tree.

Frequently Asked Questions