They come up there every year. I usually have around 6 that bloom but it's usually over several weeks. Right now I have 2 and a few that are about an inch tall. The late ones usually bloom in late May.The place I visit usually has them about 100 yards from 206 along and in a road. Every year they are in about the same place. This year they are also much closer to 206 but they are all still small. So some locations just don't grow as well as others. And in this location many of them never fully develop for some reason.
Mudder boots look like they could handle the muck well but they would tear up so much plant life in a cedar swamp I think I"d save them for slat marsh mud flats,besides in a swamp they would probably get you hurt.