Flowering perennials and biennials provide both food and shelter for pollinators as well as predatory insects.
| Common Name | Scientific Name | Notes |
|---|---|---|
| Anise Hyssop | Agastache foeniculum | Native |
| Wild Columbine | Aquilegia canadensis | |
| Golden Columbine | Aquilegia chrysantha | Native |
| Swamp MIlkweed | Asclepias incarnate | Native |
| Common MIlkweed | Asclepias syriaca | |
| Butterfly Weed | Asclepias tuberosa | Native |
| Purple Prairie Clover | Dalea purpurea | Native |
| Coneflower | Echinacea purpurea | Native |
| Aspen Daisy | Erigeron speciosus | Native |
| Sulphur Flower | Eriogonum umbellatum | Native |
| Wallflower | Erysimum capitatum | Native |
| Joe Pye Weed, Boneset | Eupatorium maculatum | |
| Blanketflower | Gaillardia aristata | Native |
| Prairie Smoke | Geum triflorum | |
| Prairie Sunflower | Helianthus periolaris | |
| Maximilian Sunflower | Helianthus maximilianii | Native |
| Rocky Mountain Blazing Star | Liatris ligulistylis | Native |
| Gayfeather | Liatris punctata | Native |
| Blue Flax | Linum lewisii | Native |
| Great Blue Lobelia | Lobelia siphilitica | Native |
| Tansy Aster | Machaeranthera canescens | Native |
| Pony Beebalm | Monarda pectinata | Native |
| Wild Bergamot | Monarda fistulosa | Native |
| Foxglove Penstemon | Penstemon digitalis | |
| Firecracker Penstemon | Penstemon eatonii | |
| Blue Mist Penstomon | Penstemon virens | Native |
| Rocky Mountain Penstemon | Penstemon strictus | Native |
| Prairie Phlox | Phlox andicola | Native |
| Pasque Flower | Pulsatilla ludoviciana | Native |
| Mountain Mint | Pycnanthermum spp. | |
| Prairie Coneflower | Ratibida columnifera | Native |
| Black-eyed Susan | Rudbeckia hirta | Native |
| Showy Goldenrod | Solidago speciosa | Native |
| Blue Smooth Aster | Symphyotrichum laeve | Native |
| New England Aster | Symphyotrichum novae-angliae (Virgulus novae-angliae) | Native |
| Western Spiderwort | Tradescantia occidentalis | Native |
| Golden Banner | Thermopsis divaricarpa | Native |
| Nuttall's Violet | Viola nuttalli | Native |