Answered for Greenfield, Hancock County.
Present in Indiana and the reason for the pruning rule below. It's the single best argument against 'we'll just tidy the oak up in June'. In Greenfield, greenfield was not one of the 23 communities in the Indiana DNR street tree sample, so there is no published species breakdown — the honest picture is a two-tier canopy: mature shade trees dating to the historic district's roughly 1880-1947 build-out over those streets and Riley Park, versus small suburban stock in the newer additions. Statewide, Indiana street tree populations run about 18% silver maple and 34% maple overall; Callery pear is common in 1990s-2000s plantings and as of 2026 is still legal to sell in Indiana, with the amendment that would add it to the Terrestrial Plant Rule pending since 2021 — re-check IDNR before advising a customer. A red oak showing symptoms is usually lost within a season.
Greenfield was not one of the 23 communities in the Indiana DNR street tree sample, so there is no published species breakdown — the honest picture is a two-tier canopy: mature shade trees dating to the historic district's roughly 1880-1947 build-out over those streets and Riley Park, versus small suburban stock in the newer additions. Statewide, Indiana street tree populations run about 18% silver maple and 34% maple overall; Callery pear is common in 1990s-2000s plantings and as of 2026 is still legal to sell in Indiana, with the amendment that would add it to the Terrestrial Plant Rule pending since 2021 — re-check IDNR before advising a customer.
Rapid wilting from the top down in summer, leaves dropping while still half green, often one side of the canopy first.
A red oak showing symptoms is usually lost within a season. The urgent job is protecting the oaks around it, because it moves underground through grafted roots.
Never prune an oak here between April and July — that's when the beetles carrying it are active and a fresh cut is an open invitation. Dormant-season pruning only.
1744 Sugar Creek Trail, Greenfield, IN 46140
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2067 Sunshine Dr, Greenfield, IN 46140
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5067 W US Hwy 40, Greenfield, IN 46140
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52 525W, Greenfield, IN 46140
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646 S 600 W Building #5, New Palestine, IN 46163
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4621 S Brooklawn Dr, New Palestine, IN 46163
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Distance measured from Greenfield.