Among the biggest draws for the butterflies are the boring generic phlox that grow in my alley. The monarchs don't seem to care that the phlox are far from trendy, or that my goldenrod flop. To them, it's all just a buffet to belly up to.
Phlox is one of the 12 plants listed in this About.com article (http://insects.about.com/od/
What brings pollinators to your yard? I'm happy to share my overgrown backyard with the bees and butterflies. They don't judge a garden on its looks.