Common Pruning Mistakes Homeowners Should Avoid

Pruning and Plant Care · 2026-07-02 · World Class Landscaping

We get called to fix pruning damage almost as often as we get called to prune. The good news: nearly all of it comes from a handful of avoidable mistakes.

1. Topping trees and large shrubs

Cutting the top off to “keep it small” triggers a flush of weak, fast-growing shoots and ruins the plant’s structure. If a plant is too big for its spot, reduce it selectively over seasons — or replace it with something appropriately sized.

2. Shearing everything into boxes

Power-shearing every shrub into a cube creates a thin shell of leaves over dead interior wood. Thin selectively instead: remove whole branches to open the plant up.

3. Pruning spring bloomers in fall

Lilacs, forsythia and azaleas set next year’s buds in summer. A fall “tidy-up” cuts off spring’s flowers. Prune these right after they bloom.

4. Leaving stubs

Cutting halfway along a branch leaves a stub that cannot heal — it rots and invites disease. Always cut back to a bud, branch junction or the trunk.

5. Pruning with dull tools

Dull blades crush stems instead of cutting them, leaving ragged wounds that heal slowly. Sharp bypass pruners make all the difference.

Avoidance checklist

• Never top — reduce selectively or replace
• Thin, don’t just shear
• Time cuts to the bloom cycle
• Cut to a bud or junction, no stubs
• Keep tools sharp and clean

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