Would you consider Tall Joe Pye Weed? After three years mine are twelve feet high in the sun. The ones in the shade are shorter. I think I have every flower mentioned in all the replies but the butterflies favor this weed. You will find all kinds of pollinators on this plant. I have a raised brick planter outside my window. From my table I can watch bees, hummingbirds, clear wing moth and butterflies. The finches love the coneflower seeds. A portion of my small yard is overloaded with flowers and may look a little wild but all the flowers have pushed the weeds out (except the dandelions!). All my neighbors apply pesticides to their yard but I will not. At back of my property I put a mason bee box on my shed and they have filled it. My yard is teaming with wildlife. And it all started with wanting a butterfly garden, like you. Ironically, my neighbors and people walking visit and comment about it's beauty.