Showerthought: a 40 foot oak in my yard dropped 300 pounds of limbs in one storm, and the ISA guide says most of it was from old pruning cuts

Jenny Walker · 2026-09-30T16:15:04.950946+00:00

I found that stat in the ISA pruning guide last week and it made me rethink how I cut on young trees. Anyone else notice way more limb failure on trees with bad cuts from years back?

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Showerthought: a 40 foot oak in my yard dropped 300 pounds of limbs in one storm, and the ISA guide says most of it was from old pruning cuts | Arborists - Discusd