I don’t know where in Texas you live, nor the variety. I hope you were told that blueberries need a LOT of cold winter temps in order to set fruit. Unless you bought those that are okay in southern temps, that need just less cold. But they need many hours of cold or they become an ornamental plant and nothing else.
Make sure they are not on the southern or western exposures; it will help somewhat.
O Neil and Princess high bush blueberries were what I planted. I got them from a nursery in East Texas and I am pretty sure they will produce here. Establishing them is the first hurdle.
Then there is the issue of the local soil being somewhat alkali. Where I planted them is sandy and normally gets a lot of rain runoff from my north roof. I think they will work. I have not mulched them with peatmoss yet, but purchase some last week. They are planted on the south side of my north stockade fence.