What type of BUTTERFLIES are you trying to attract?
Monarchs, Red Spotted Purples, all types of Swallowtails and any other native butterflies
What NECTAR and HOST plants are in your garden?
Milkweeds,, native TN nectar plants like Iron Weed, Joe Pye Weeds, Goldenrods, Golden Alexander, Rue, Parsley, Dill, many many more