I am a native plant enthusiast. Most of my plants are wild collected, but I still occasionally acquire a non native or two, especially when it come to hibiscus. Although Hibiscus moscheutos is a US native, I would not consider Luna Red or any cultivar a native. Any plant that was created by man can not be considered a native, even though the parent plant may have been. At least that's my opinion. Either way I don't get so wrapped up in natives that it takes the joy out of gardening.