Is my eastern hophornbeam (ironwood) safe in a storm?
Forest Service silvics states its tough, resilient branches resist wind, snow, and ice damage, and it lives up to that: hophornbeam is often among the last things standing after an Indiana ice storm and rarely sheds limbs. That makes its one failure mode especially dangerous, because it is whole-tree failure from internal butt rot with no warning visible in the crown.
What pruning can and can't prevent
Dormant-season work only, and plan for it — the wood is hard enough to dull a chain quickly and cuts close slowly, so make few and make them small. The specific trap is at the base: trunk and butt rot are this species' defining defect (Forest Service silvics attributes roughly 20 percent of gross volume loss to it), so one careless flush cut or mower wound at the root flare starts the decay that eventually takes the tree.
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