Up until this year, I’d seen exactly two Pipevine Swallowtails, neither of which was in my yard. This year, I’m practically shoving them out of the way, and they’re all nice and fresh, though I’ve grown nothing that would act as a host plant. Whence (hee!) are they coming?! If we actually get to move to our new house, I’ll plant Virginia Snakeroot for them, but in the meantime…where the hell are all these Pipevines coming from?!