Answered for Cicero, Hamilton County.
It has already moved through Indiana and killed the overwhelming majority of untreated ash. An untreated ash here is on a clock, not at risk. In Cicero, cicero has no public street-tree inventory, so species composition is not documented town-wide — but the age structure is: Morse Reservoir's roughly 35 miles of shoreline was about 95% built out with waterfront homes by 2020, and those lakefront lots hold the oldest, largest canopy in town, growing since the 1956 impoundment. Post-2015 subdivisions read very differently, with uniformly young front-yard stock, and ash is gone countywide after emerald ash borer reached all 92 Indiana counties by 2017. Treatable while the canopy is still mostly intact.
Cicero has no public street-tree inventory, so species composition is not documented town-wide — but the age structure is: Morse Reservoir's roughly 35 miles of shoreline was about 95% built out with waterfront homes by 2020, and those lakefront lots hold the oldest, largest canopy in town, growing since the 1956 impoundment. Post-2015 subdivisions read very differently, with uniformly young front-yard stock, and ash is gone countywide after emerald ash borer reached all 92 Indiana counties by 2017.
Thinning from the top down, D-shaped exit holes about an eighth of an inch across, sprouts low on the trunk, and pale flecking where woodpeckers have stripped bark to get at larvae.
Treatable while the canopy is still mostly intact. Once roughly a third of it is gone, treatment stops being worth the money and the tree becomes a removal — and a dead ash goes brittle unusually fast, which makes it both more dangerous and more expensive the longer it stands.
Trunk injection in spring or early summer, repeated every one to two years for the life of the tree. It is a permanent commitment, not a cure.
801 N 15th St, Noblesville, IN 46060
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Allen Sparenblek · 3 months ago · Google
605 Sheridan Rd Unit 5303, Noblesville, IN 46060
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820 E Main St, Westfield, IN 46074
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8811 Saville Rd, Noblesville, IN 46060
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14640 River Rd, Noblesville, IN 46062
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4621 E 146th St, Carmel, IN 46033
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Distance measured from Cicero.