If you have a spot in your yard that just refuses to dry up, how about making it into a "Bog" garden. From gardener, Rainbow....."Perennials for wet soil or streamside gardens: Acorus, Aruncus, Calamagrosis, Chelone, Filipendula, Helianthus angustifolius, Iris fulva, Ligularia, Meconopsis, Mondarda, Osmunda, Ranunculus, Rheum, Rodgersia, Sanguuisorba, Silphium, Smilacina, Thelypteris.