Most any kind of parsley can be used by the Black Swallowtails. Just so it isn't sprayed by pesticides or something. I've heard some say that one or the other type of parsley is better. But I think both would be used.
I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority. E. B.White
Integrity can never be taken. It can only be given, and I wasn't going to give it up to these people. Gary Mowad