43 wildflowers were recorded blooming in North Dakota in May in our iNaturalist sample; 30 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in May
Prairie Pasqueflower
Narrowleaf Puccoon
Dame's Rocket
Canada Violet
Hoary Puccoon
Star-Flowered Lily-Of-The-Valley
Bastard Toadflax
Spotted Fritillary
Field Penny-Cress
Common Dandelion
Red Columbine
Chokecherry
All wildflowers blooming in North Dakota in May
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Prairie Pasqueflower | Pulsatilla nuttalliana | buttercup family | 41 | Apr (past peak) |
| 2 | Narrowleaf Puccoon | Lithospermum incisum | borage family | 25 | May (peak) |
| 3 | Dame's Rocket | Hesperis matronalis | mustard family | 17 | Jun (rising) |
| 4 | Canada Violet | Viola canadensis | Violet Family | 17 | May (peak) |
| 5 | Hoary Puccoon | Lithospermum canescens | borage family | 16 | May (peak) |
| 6 | Star-Flowered Lily-Of-The-Valley | Maianthemum stellatum | agave and allies | 15 | May (peak) |
| 7 | Bastard Toadflax | Comandra umbellata | sandalwood family | 13 | May (peak) |
| 8 | Spotted Fritillary | Fritillaria atropurpurea | lily family | 11 | May (peak) |
| 9 | Field Penny-Cress | Thlaspi arvense | mustard family | 10 | May (peak) |
| 10 | Common Dandelion | Taraxacum officinale | Sunflowers, Daisies, Asters, and Allies | 9 | May (peak) |
| 11 | Red Columbine | Aquilegia canadensis | buttercup family | 8 | May (peak) |
| 12 | Chokecherry | Prunus virginiana | rose family | 8 | May (peak) |
| 13 | Ground-Ivy | Glechoma hederacea | Mint Family | 8 | May (peak) |
| 14 | Prairie Smoke | Geum triflorum | rose family | 7 | Jun (rising) |
| 15 | American plum | Prunus americana | rose family | 5 | May (peak) |
| 16 | Golden Currant | Ribes aureum | Gooseberry Family | 5 | May (peak) |
| 17 | Smooth Yellow Violet | Viola eriocarpa | Violet Family | 5 | May (peak) |
| 18 | Box Elder | Acer negundo | soapberry family | 4 | May (peak) |
| 19 | Jack-in-the-Pulpit | Arisaema triphyllum | Arum Family | 4 | May (peak) |
| 20 | Saskatoon | Amelanchier alnifolia | rose family | 3 | May (peak) |
| 21 | Bloodroot | Sanguinaria canadensis | Poppy Family | 2 | May (peak) |
| 22 | Red Osier Dogwood | Cornus sericea | Dogwood family | 2 | Jun (rising) |
| 23 | Shepherd's-Purse | Capsella bursa-pastoris | mustard family | 2 | Jun (rising) |
| 24 | Marsh Marigold | Caltha palustris | buttercup family | 2 | May (peak) |
| 25 | Lewis flax | Linum lewisii | Flax Family | 2 | Jun (rising) |
| 26 | Wild Sarsaparilla | Aralia nudicaulis | ivy family | 2 | May (peak) |
| 27 | Red Maple | Acer rubrum | soapberry family | 1 | May (peak) |
| 28 | Woodland Strawberry | Fragaria vesca | rose family | 1 | May (peak) |
| 29 | Common Groundsel | Senecio vulgaris | Sunflowers, Daisies, Asters, and Allies | 1 | May (peak) |
| 30 | Arctic Butterbur | Petasites frigidus | Sunflowers, Daisies, Asters, and Allies | 1 | May (peak) |
| 31 | Lesser Periwinkle | Vinca minor | Dogbane Family | 1 | May (peak) |
| 32 | Garlic Mustard | Alliaria petiolata | mustard family | 1 | May (peak) |
| 33 | Black Medick | Medicago lupulina | Legumes | 1 | Jun (rising) |
| 34 | Yellow Sweetclover | Melilotus officinalis | Legumes | 1 | Jun (rising) |
| 35 | Moss Phlox | Phlox subulata | phlox family | 1 | Apr (past peak) |
| 36 | Sagebrush Buttercup | Ranunculus glaberrimus | buttercup family | 1 | May (peak) |
| 37 | Virginia waterleaf | Hydrophyllum virginianum | borage family | 1 | Jun (rising) |
| 38 | Common Lilac | Syringa vulgaris | olive family | 1 | May (peak) |
| 39 | Sego Lily | Calochortus nuttallii | lily family | 1 | Jun (rising) |
| 40 | golden Alexanders | Zizia aurea | carrot family | 1 | Jun (rising) |
| 41 | Partridgeberry | Mitchella repens | madder family | 1 | May (peak) |
| 42 | Scarlet Globemallow | Sphaeralcea coccinea | Mallow and Hibiscus Family | 1 | Jun (rising) |
| 43 | Nodding Trillium | Trillium cernuum | Herb-Paris, False Hellebores, Trilliums and allies | 1 | May (peak) |