Ask Mr. Smarty Plants

First of all, I think you should consider some way to relieve your drainage situation. Have you considererd installing a French drain in the area? It is a difficult situation for most plants to receive a deluge of water that leaves them standing in a pond for a while and then dries up completely. There are a few plants that will tolerate this situation, but not too many. Another problem is to find something attractive for the wintertime. Unfortunately, there aren't any native plants that bloom in the wintertime that will tolerate your water conditions. Here are a few native possibilities, however, that will work both summer and winter:

Sabal minor (dwarf palmetto) is evergreen and will tolerate growing in wet areas very well and, after it is well-established, it can handle drought, also. It can get tall, but doesn't do so very rapidly. You should be able to find these at local nurseries now to install.

Andropogon glomeratus (bushy bluestem) is an attractive clump grass that blooms in the fall and prefers wet conditions. Its copper color fall foliage persists into the spring when the new green growth begins to sprout. It does not tolerate drought so would require watering.

Equisetum hyemale var. affine (scouringrush horsetail) is an attractive evergreen plant, but also would require watering when the area is dry.

Morella cerifera (wax myrtle) is a large shrub or small tree growing to 12 feet or more that tolerates both poor drainage and drought. There is also a dwarf wax myrtle (Morella cyrifera var. pumila) [synonyms = Myrica cyrifera var. pumila and Myrica pusilla] that only grows 3 to 6 feet.