Swamp Milkweed / Pink Milkweed (asclepias incarnata) – Herbaceous perennials that bloom pink flowers in the late summer & fall.
 
Growth: Can grow 5 feet tall.
Light: Full sun & partial shade.
Soil: Rich, wet, very muddy to average moisture. Can thrive in mucky clay soils or in ponds. Good for wetland gardens.
Hardiness: Winter hardy once established in the ground. Deer & rabbit resistant.
Maintenance: Low maintenance. Deep taproots should be left undisturbed once established.
Benefits: Attracts butterflies & hummingbirds.