In Ontario, Canada the season on the Spring Starts the 4th weekend of April and ends towards the end of May. This coincides with the breeding season of Turkeys hence the time when Toms are receptive to the call of the hens. On your state it could be a little bit earlier. But usually the Spring hunting season is during the breeding season for Turkeys as it evolves around the excitement of calling them by mimicking the call of the hen.
Here's a good read site from some of your compatriots....
http://www.nwtf.org/