Quick answer: 8 native plants for wet soil and rain gardens are native to Colorado, 7 with a live listing as of 16 Sep 2026.
8 species
- Common elderberry Sambucus nigra ssp. canadensis · 16 states
- Common ninebark Physocarpus opulifolius · 22 states
- Eastern cottonwood Populus deltoides · 14 states
- Gray alder Alnus incana · 12 states
- Green ash Fraxinus pennsylvanica · 23 states
- Highbush cranberry Viburnum opulus var. americanum · 8 states
- Quaking aspen Populus tremuloides · 24 states
- Swamp milkweed Asclepias incarnata · 25 states