60 wildflowers were recorded blooming in Kansas in May in our iNaturalist sample; 27 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in May
Tall Blue Wild Indigo
Green Antelopehorns
Field Bindweed
Winecup Mallow
Roughleaf Dogwood
Butterfly Milkweed
Purple Groundcherry
Poison Hemlock
Amur honeysuckle
Pinkladies
Red Columbine
Dame's Rocket
All wildflowers blooming in Kansas in May
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Tall Blue Wild Indigo | Baptisia australis | Legumes | 177 | May (peak) |
| 2 | Green Antelopehorns | Asclepias viridis | Dogbane Family | 106 | May (peak) |
| 3 | Field Bindweed | Convolvulus arvensis | bindweed family | 49 | Jun (rising) |
| 4 | Winecup Mallow | Callirhoe involucrata | Mallow and Hibiscus Family | 45 | Jun (rising) |
| 5 | Roughleaf Dogwood | Cornus drummondii | Dogwood family | 44 | May (peak) |
| 6 | Butterfly Milkweed | Asclepias tuberosa | Dogbane Family | 37 | Jun (rising) |
| 7 | Purple Groundcherry | Quincula lobata | nightshade family | 33 | May (peak) |
| 8 | Poison Hemlock | Conium maculatum | carrot family | 29 | May (peak) |
| 9 | Amur honeysuckle | Lonicera maackii | honeysuckle family | 26 | May (peak) |
| 10 | Pinkladies | Oenothera speciosa | evening primrose family | 25 | May (peak) |
| 11 | Red Columbine | Aquilegia canadensis | buttercup family | 23 | May (peak) |
| 12 | Dame's Rocket | Hesperis matronalis | mustard family | 22 | May (peak) |
| 13 | White Clover | Trifolium repens | Legumes | 21 | May (peak) |
| 14 | American bladdernut | Staphylea trifolia | bladdernut family | 18 | Apr (past peak) |
| 15 | common star-of-Bethlehem | Ornithogalum umbellatum | agave and allies | 17 | Apr (past peak) |
| 16 | Hoary Puccoon | Lithospermum canescens | borage family | 16 | May (peak) |
| 17 | Common Pawpaw | Asimina triloba | custard-apples | 16 | Apr (past peak) |
| 18 | Yellow Sweetclover | Melilotus officinalis | Legumes | 16 | May (peak) |
| 19 | Purple Milkweed | Asclepias purpurascens | Dogbane Family | 16 | May (peak) |
| 20 | Catchweed Bedstraw | Galium aparine | madder family | 15 | May (peak) |
| 21 | Yellow Salsify | Tragopogon dubius | Sunflowers, Daisies, Asters, and Allies | 15 | May (peak) |
| 22 | Multiflora Rose | Rosa multiflora | rose family | 15 | May (peak) |
| 23 | Scarlet Globemallow | Sphaeralcea coccinea | Mallow and Hibiscus Family | 13 | May (peak) |
| 24 | Violet Woodsorrel | Oxalis violacea | Woodsorrel Family | 12 | Apr (past peak) |
| 25 | Henbit Deadnettle | Lamium amplexicaule | Mint Family | 11 | Apr (past peak) |
| 26 | Red Clover | Trifolium pratense | Legumes | 10 | May (peak) |
| 27 | Carolina horsenettle | Solanum carolinense | nightshade family | 10 | Jun (rising) |
| 28 | Jack-in-the-Pulpit | Arisaema triphyllum | Arum Family | 9 | May (peak) |
| 29 | Garlic Mustard | Alliaria petiolata | mustard family | 9 | Apr (past peak) |
| 30 | Showy Milkweed | Asclepias speciosa | Dogbane Family | 9 | May (peak) |
| 31 | Deptford pink | Dianthus armeria | pink family | 9 | Jun (rising) |
| 32 | Atlantic camas | Camassia scilloides | agave and allies | 9 | Apr (past peak) |
| 33 | Purple Crownvetch | Securigera varia | Legumes | 9 | May (peak) |
| 34 | Common Milkweed | Asclepias syriaca | Dogbane Family | 7 | Jun (rising) |
| 35 | Ground-Ivy | Glechoma hederacea | Mint Family | 7 | Apr (past peak) |
| 36 | Moth Mullein | Verbascum blattaria | figwort family | 7 | Jun (rising) |
| 37 | Blue Phlox | Phlox divaricata | phlox family | 7 | Apr (past peak) |
| 38 | Corn Gromwell | Buglossoides arvensis | borage family | 7 | Apr (past peak) |
| 39 | Common Yarrow | Achillea millefolium | Sunflowers, Daisies, Asters, and Allies | 6 | May (peak) |
| 40 | Narrowleaf Puccoon | Lithospermum incisum | borage family | 6 | Apr (past peak) |
| 41 | clasping Venus's looking glass | Triodanis perfoliata | bellflower family | 6 | Jun (rising) |
| 42 | Ohio spiderwort | Tradescantia ohiensis | Spiderworts | 6 | May (peak) |
| 43 | American persimmon | Diospyros virginiana | persimmon family | 6 | May (peak) |
| 44 | Common Dandelion | Taraxacum officinale | Sunflowers, Daisies, Asters, and Allies | 5 | Apr (past peak) |
| 45 | Mayapple | Podophyllum peltatum | barberry family | 5 | Apr (past peak) |
| 46 | Smooth Sumac | Rhus glabra | Cashew Family | 5 | Jun (rising) |
| 47 | Carolina crane's-bill | Geranium carolinianum | Geranium family | 5 | May (peak) |
| 48 | Foxglove Beardtongue | Penstemon digitalis | Plantain Family | 5 | May (peak) |
| 49 | Purple Rocket | Iodanthus pinnatifidus | mustard family | 5 | May (peak) |
| 50 | Asiatic dayflower | Commelina communis | Spiderworts | 4 | Sep (rising) |