Here's some information on the pH preferences of various plants. I haven't opened it to see if blueberries are included but I do remember they like an extremely acid pH. Like <5.

And here's a link to an article about growing them here in Wisconsin. Granted I'm just a bit north of you but it may contain helpful information.

https://hort.extension.wisc.edu/article ... ontainers/

Today’s harvest from the empty lot next door (with permission) - avocadoes, oranges and tangerines. The tangerines, which are small, most about 2”, are quite sour and make spectacular marmalade.