What type of BUTTERFLIES are you trying to attract?
Monarchs and swallowtails and many, many others, including skippers and other pollinators
What NECTAR and HOST plants are in your garden?
I have at least seventy species of native wildflowers, probably many more than that, and additionally have zinnias, marigolds, nasturtiums and others along with native plants and herbs planted in my large vegetable garden.