What type of BUTTERFLIES are you trying to attract?
All types of butterflies and other pollinators such as bees, hummingbirds, etc.
What NECTAR and HOST plants are in your garden?
Butterfly bush, black-eyed Susan, coneflower, cosmos, bee balm, buttercup, several varieties of milkweed, snapdragons, salvia, society garlic, Turks turban, Shasta daisy