Is a black locust common in central Indiana?
Native to a limited part of southern Indiana and naturalized statewide, so in central Indiana it behaves as a spreader on roadsides, disturbed ground, old pastures, and neglected lot edges. Get this right in writing: black locust is NOT on Indiana's Terrestrial Plant Rule list of 44 prohibited species, even though several neighboring states list it as invasive — here it is a management problem, not a legal one.
Why that matters for tree work
This is a removal-first species and one of the few on this list that genuinely earns it. A mature black locust in a yard is usually hollow or getting there — locust borer larvae tunnel the trunk and open it to Phellinus robiniae heart rot, so the crown stays green while the stem quietly loses the section holding it up.
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