The main reason mature Scotch pine is disappearing from Indiana windbreaks and old Christmas tree plantings. 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. There is no cure once symptoms appear.
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
The whole tree browns in a single season, often starting on one side. Needles stay attached.
Whether the tree can be saved
There is no cure once symptoms appear. The tree needs removing promptly — dead pines are a fire and fall risk, and the beetles that carry the nematode breed in the dead wood.
Timing in Hamilton County
Remove and destroy infected trees before the following spring, when the beetles emerge.
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