Still active. It's why mature American elms are rare here now, and why the ones that survive are worth protecting. In Fishers, fishers was not one of the 23 communities in Indiana DNR's street-tree sample inventory, so no verified species breakdown exists for the city. What is documented is that the Tree Board maintains a list of desirable and undesirable species and no species off that list may be planted as a street tree without special permission — the practical picture being a 1990s-2000s nursery palette in tight uniform age classes, with ash gone since EAB was confirmed in Indiana in 2004. A rapid one-season decline usually means removal.
Fishers's canopy and what's at risk
Fishers was not one of the 23 communities in Indiana DNR's street-tree sample inventory, so no verified species breakdown exists for the city. What is documented is that the Tree Board maintains a list of desirable and undesirable species and no species off that list may be planted as a street tree without special permission — the practical picture being a 1990s-2000s nursery palette in tight uniform age classes, with ash gone since EAB was confirmed in Indiana in 2004.
What to look for
Flagging — one branch yellows and wilts while the rest looks fine — then rapid decline through the crown.
Whether the tree can be saved
A rapid one-season decline usually means removal. Fungicide injection can protect a high-value elm that isn't yet infected, but it does not rescue one that is well along.
Timing in Hamilton County
Preventive injection every two to three years, before symptoms.
10475 Crosspoint Blvd Ste 250-2645, Indianapolis, IN 46256
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