6a according to the zone map. My place is 1.5mi south of I-70 ~6mi east of 63/70 interchange in Columbia.
I’ve been kicking the idea. Can’t hurt to try it.
Augie, you are pretty much straight east of me here in Kansas. (Look at Overland Park or Prairie Village on the Kansas map!)
While it says I am zone 6b, I had at least 4 or 5 days of -20 degree weather this winter which should put me in 5a. (Always plan for the extremes!)
If you have a choice get suckers from early tomatoes like cherry or early girl to root. Give them some shade the first few days after you plant them or they will wilt away. (No point, of course, in trying to grow something like Pineapple tomatoes that take 100 days at this point in the year!)