alt Hacker NewsThe natural range of the Pecan is somewhat limited, so unless you're in southern Illinois or by the river, it might not be its preferred habitat.
https://en.wikipedia.org/wiki/Pecan#/media/File:Carya_illino...
They're actually considered a fast growing tree when in the right place--1 to 2 ft per year at first.
I had never heard about it being called a fast-growing tree :)
I am outside the natural range, but close to a [different] river and feel that with climate change it should be fairly ok. But it appears I am wrong!