Central Indiana's heavy clay and high water table make this common, especially in newer subdivisions where topsoil was stripped. In Greenwood, two separate canopies in one city. The pre-1960 blocks around Old Town and near County Line Road hold Greenwood's only genuinely mature shade trees — just 9% of the housing stock predates 1960 — while the subdivisions east of I-65 are 2000s-era plantings still small enough to prune off a ladder. Ash is functionally gone: emerald ash borer has been confirmed in Indiana since April 2004 and is now in all 92 counties. By the time the canopy shows it, the root system is already badly compromised.
Greenwood's canopy and what's at risk
Two separate canopies in one city. The pre-1960 blocks around Old Town and near County Line Road hold Greenwood's only genuinely mature shade trees — just 9% of the housing stock predates 1960 — while the subdivisions east of I-65 are 2000s-era plantings still small enough to prune off a ladder. Ash is functionally gone: emerald ash borer has been confirmed in Indiana since April 2004 and is now in all 92 counties.
What to look for
General decline, thin canopy, early autumn colour, sometimes mushrooms at the base.
Whether the tree can be saved
By the time the canopy shows it, the root system is already badly compromised. This is a stability question as much as a health one — a tree with rotten roots can look fine and still come over in a storm.
Timing in Johnson County
No cure. Improve drainage, reduce load on the tree, or remove.
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