We took to Facebook to ask you how you say "pecan." The Merriam-Webster dictionary has the pronounciation as: pi-'kän, -'kan; 'pe-kan. So, that means all three frequently heard way are how you say it.
You can see in the photos that Central Georgians largely prefer the "pe-kan."
All of this talk about how to say pecans follows the early pecan harvest going on in Peach County.