Here's another butterfly pleaser in the milkweed family: Asclepias incarnata or Swamp Milkweed.
I found it blooming last week at Raccoon Creek State Park's Wetland Trail - which is no surprise. This flower's favored habitat is wet ditches, wet meadows and shorelines.
Swamp Milkweed flowers have a pretty two-tone effect. The top is white and the lower petals are rosy purple. They're especially beautiful when Great Spangled Fritillaires are sipping their nectar.
(photo by Marcy Cunkelman)