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 Speedway, no public street-tree inventory has been published for Speedway, so species counts are UNVERIFIED. Because the residential core finished building out by the mid-1950s and has barely been rebuilt since, much of the yard canopy is likely of comparable age and large enough to close over narrow streets and 40-to-50-foot lots — an inference from build-out dates, not a measured finding. The exception is Main Street, where a town streetscape reconstruction installed all-new landscaping, so those trees are recent. A red oak showing symptoms is usually lost within a season.
Speedway's canopy and what's at risk
No public street-tree inventory has been published for Speedway, so species counts are UNVERIFIED. Because the residential core finished building out by the mid-1950s and has barely been rebuilt since, much of the yard canopy is likely of comparable age and large enough to close over narrow streets and 40-to-50-foot lots — an inference from build-out dates, not a measured finding. The exception is Main Street, where a town streetscape reconstruction installed all-new landscaping, so those trees are recent.
What to look for
Rapid wilting from the top down in summer, leaves dropping while still half green, often one side of the canopy first.
Whether the tree can be saved
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.
Timing in Marion County
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.
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