I'm not familiar with American carpenter bees, but I have made it my mission to feed the European ones. They are extremely fond of clary sage and from what I have read online [0] this is true for all Xylocopa on the American continent too, so please consider planting some.

[0] https://www.fountainofplants.com/post/clary-sage-salvia-scla...

Edit: yet another typo I give up!!