These perennials are good choices for that difficult soggy spot in the garden.
| Common Name | Botanical Name |
| Bee balm | Monarda |
| Boltonia | Boltonia asteroides |
| Bugbane | Cimicifuga |
| Cardinal flower | Lobelia cardinalis |
| Globeflower | Trollius |
| Goatsbeard | Aruncus |
| Japanese iris | Iris ensata |
| Japanese primrose | Primula japonica |
| Loosestrife | Lysimachia |
| Marsh marigold | Caltha |
| Meadowsweet | Astilbe |
| Queen-of-the-prairie | Filipendula |
| Rose mallow | Hibiscus |
| Spiderwort | Tradescantia |
| Virginia bluebells | Mertensia |
| Wake robin | Trillium grandiflorum |
| Water flag iris | Iris pseudacorus |
| Grasses | |
| Blue fescue | Festuca |
| Blue lyme grass | Elymus arenarius |
| Eulalia grass | Miscanthus |
| Little bluestem | Schizachyrium scoparium |
| Pampas grass | Cortaderia |