What’s Blooming in May?
The chart represents the approximate bloom times in Minnesota. Factors such as temperature and precipitation play a large role in how a plant fares year after year. Northern MN should also start a bit later and/or end a bit earlier than Southern MN.
Only native plants are listed here. If you are looking for something specific, try the “find in page” feature of your browser (usually CTRL+F).
Reference: f = flowering. See also non-native bloom times.
| Plant Name | Week 1 | Week 2 | Week 3 | Week 4 |
|---|---|---|---|---|
| Actaea pachypoda White Baneberry | f | f | f | f |
| Actaea rubra Red Baneberry | f | f | f | f |
| Allium textile White Wild Onion | f | f | f | f |
| Andromeda polifolia Bog Rosemary | f | f | f | f |
| Androsace occidentalis Western Rock Jasmine | f | f | f | f |
| Anemone acutiloba Sharp-lobed Hepatica | f | f | f | f |
| Anemone americana Round-lobed Hepatica | f | f | f | f |
| Anemone canadensis Canada Anemone | f | f | ||
| Anemone patens American Pasqueflower | f | f | ||
| Anemone quinquefolia Wood Anemone | f | f | f | f |
| Antennaria neglecta Field Pussytoes | f | f | f | f |
| Antennaria plantaginifolia Plantain-leaved Pussytoes | f | f | f | f |
| Aplectrum hyemale Putty-root | f | |||
| Aquilegia canadensis Red Columbine | f | f | f | f |
| Aralia nudicaulis Wild Sarsaparilla | f | f | f | |
| Arceuthobium pusillum Eastern Dwarf Mistletoe | f | f | f | f |
| Arctostaphylos uva-ursi Bearberry | f | f | f | f |
| Arethusa bulbosa Dragon's Mouth | f | |||
| Arisaema triphyllum Jack-in-the-Pulpit | f | f | f | f |
| Asarum canadense Canadian Wild Ginger | f | f | f | f |
| Astragalus crassicarpus Ground Plum | f | f | f | f |
| Baptisia bracteata Plains Wild Indigo | f | f | ||
| Baptisia lactea White Wild Indigo | f | |||
| Besseya bullii Kittentails | f | f | f | f |
| Boechera canadensis Sickle-pod | f | f | ||
| Boechera grahamii Spreading-pod Rock Cress | f | f | f | f |
| Calla palustris Wild Calla | f | |||
| Caltha palustris Marsh Marigold | f | f | f | f |
| Calypso bulbosa var. americana Fairy Slipper | f | |||
| Cardamine concatenata Cutleaf Toothwort | f | f | f | f |
| Castilleja coccinea Indian Paintbrush | f | f | f | f |
| Castilleja sessiliflora Downy Painted-cup | f | f | f | f |
| Caulophyllum thalictroides Blue Cohosh | f | f | f | f |
| Chamaedaphne calyculata Leather-leaf | f | f | f | f |
| Chrysosplenium americanum American Golden Saxifrage | f | f | f | f |
| Claytonia caroliniana Carolina Spring Beauty | f | f | f | f |
| Claytonia virginica Virginia Spring Beauty | f | f | f | f |
| Clintonia borealis Bluebead | f | f | f | |
| Coeloglossum viride Long-bract Frog Orchid | f | f | ||
| Comandra umbellata Bastard Toadflax | f | f | f | f |
| Coptis trifolia Three-leaf Goldthread | f | f | f | f |
| Corallorhiza striata Striped Coralroot | f | |||
| Corallorhiza trifida Early Coralroot | f | f | f | |
| Cornus canadensis Bunchberry | f | |||
| Corydalis aurea Golden Corydalis | f | f | f | f |
| Corydalis sempervirens Pale Corydalis | f | f | f | f |
| Cypripedium acaule Stemless Lady's-slipper | f | |||
| Cypripedium arietinum Ram's-head Lady's-slipper | f | f | ||
| Cypripedium candidum Small White Lady's-slipper | f | f | ||
| Cypripedium parviflorum var. makasin Small Yellow Lady's-slipper | f | f | ||
| Cypripedium parviflorum var. pubescens Greater Yellow Lady's-slipper | f | f | f | |
| Dicentra cucullaria Dutchman's Breeches | f | f | f | f |
| Dracocephalum parviflorum American Dragonhead | f | |||
| Ellisia nyctelea Aunt Lucy | f | f | f | f |
| Enemion biternatum False Rue Anemone | f | f | f | f |
| Erigeron philadelphicus Philadelphia Fleabane | f | f | f | f |
| Erythronium albidum White Trout Lily | f | f | f | f |
| Erythronium americanum Yellow Trout Lily | f | f | f | f |
| Erythronium propullans Dwarf Trout Lily | f | f | f | |
| Escobaria vivipara Pincushion Cactus | f | |||
| Fragaria vesca Woodland Strawberry | f | f | f | f |
| Fragaria virginiana Wild Strawberry | f | f | f | f |
| Gaillardia aristata Blanketflower | f | f | ||
| Galearis spectabilis Showy Orchis | f | f | f | |
| Galium aparine Sticky-willy | f | f | f | f |
| Galium triflorum Fragrant Bedstraw | f | f | f | |
| Geranium maculatum Wild Geranium | f | f | f | f |
| Geum canadense White Avens | f | |||
| Geum triflorum Prairie Smoke | f | f | f | f |
| Hedeoma hispida Rough False Pennyroyal | f | |||
| Heracleum lanatum Common Cow Parsnip | f | |||
| Heuchera richardsonii Prairie Alumroot | f | |||
| Hudsonia tomentosa Beach Heather | f | |||
| Hydrophyllum virginianum Virginia Waterleaf | f | f | ||
| Hypoxis hirsuta Yellow Star-grass | f | f | f | f |
| Iris versicolor Harlequin Blueflag | f | |||
| Jeffersonia diphylla Twinleaf | f | f | ||
| Kalmia polifolia Bog Laurel | f | f | f | f |
| Krigia biflora Two-flowered Cynthia | f | |||
| Lathyrus ochroleucus Cream Pea | f | f | ||
| Lathyrus venosus Veiny Pea | f | f | ||
| Lithospermum canescens Hoary Puccoon | f | f | f | |
| Lithospermum caroliniense Carolina Puccoon | f | f | ||
| Lithospermum incisum Narrow-leaf Puccoon | f | f | f | f |
| Lupinus perennis Wild Lupine | f | f | f | f |
| Lysimachia borealis Starflower | f | f | f | |
| Lysimachia thyrsiflora Tufted Loosestrife | f | f | ||
| Maianthemum canadense Canada Mayflower | f | f | ||
| Maianthemum racemosum False Solomon's Seal | f | f | f | f |
| Maianthemum stellatum Starry False Solomon's Seal | f | f | f | f |
| Maianthemum trifolium Three-leaf False Solomon's-seal | f | f | f | f |
| Menyanthes trifoliata Buckbean | f | f | f | f |
| Mertensia paniculata Northern Bluebells | f | f | ||
| Mertensia virginica Virginia Bluebells | f | f | f | f |
| Micranthes pensylvanica Swamp Saxifrage | f | f | ||
| Minuartia dawsonensis Rock Sandwort | f | f | f | f |
| Mirabilis nyctaginea Wild Four O'Clock | f | f | ||
| Mitella diphylla Two-leaf Miterwort | f | f | f | f |
| Moehringia lateriflora Bluntleaf Sandwort | f | f | f | |
| Nuttallanthus canadensis Canada Toadflax | f | f | ||
| Opuntia fragilis Brittle Prickly Pear | f | f | ||
| Opuntia macrorhiza Plains Prickly Pear | f | f | ||
| Osmorhiza claytonii Sweet Cicely | f | f | ||
| Osmorhiza longistylis Aniseroot | f | f | ||
| Panax trifolius Dwarf Ginseng | f | f | f | f |
| Parietaria pensylvanica Pennsylvania Pellitory | f | f | f | f |
| Pedicularis canadensis Wood Betony | f | f | f | |
| Pediomelum esculentum Prairie Turnip | f | f | f | |
| Penstemon albidis White Beardtongue | f | f | f | f |
| Penstemon gracilis Slender Beardtongue | f | |||
| Penstemon grandiflorus Large Beardtongue | f | f | f | |
| Phlox divaricata Wild Blue Phlox | f | f | f | f |
| Phlox pilosa Prairie Phlox | f | f | f | f |
| Podophyllum peltatum Mayapple | f | f | ||
| Polemonium reptans Spreading Jacob's Ladder | f | f | f | f |
| Polygala paucifolia Gaywings | f | f | f | f |
| Polygala senega Seneca Snakeroot | f | f | ||
| Polygonatum biflorum Smooth Solomon's Seal | f | |||
| Potentilla simplex Common Cinquefoil | f | |||
| Primula mistassinica Mistassini Primrose | f | f | f | f |
| Ranunculus abortivus Little-leaf Buttercup | f | f | f | f |
| Ranunculus cymbalaria Alkali Buttercup | f | |||
| Ranunculus fascicularis Early Buttercup | f | f | f | f |
| Ranunculus flabellaris Yellow Water Buttercup | f | f | f | f |
| Ranunculus hispidus Hispid Buttercup | f | f | f | f |
| Ranunculus recurvatus Hooked Buttercup | f | f | f | f |
| Ranunculus rhomboideus Prairie Buttercup | f | f | f | f |
| Ranunculus sceleratus Cursed Crowfoot | f | f | f | f |
| Rhododendron groenlandicum Labrador Tea | f | f | f | f |
| Rorippa sinuata Spreading Yellow-cress | f | f | f | f |
| Sanguinaria canadensis Bloodroot | f | f | ||
| Sarracenia purpurea Purple Pitcher Plant | f | f | f | f |
| Scutellaria leonardii Leonard's Skullcap | f | f | ||
| Sisyrinchium campestre Prairie Blue-eyed Grass | f | f | f | f |
| Stellaria longifolia Long-leaf Starwort | f | f | ||
| Symplocarpus foetidus Skunk Cabbage | f | f | ||
| Taenidia integerrima Yellow Pimpernel | f | f | f | f |
| Thalictrum dioicum Early Meadow Rue | f | f | f | f |
| Thalictrum thalictroides Rue Anemone | f | f | f | f |
| Tradescantia occidentalis Spiderwort | f | |||
| Trillium cernuum Nodding Trillium | f | f | f | f |
| Trillium flexipes Drooping Trillium | f | f | f | f |
| Trillium grandiflorum Large-flowered Trillium | f | f | f | f |
| Trillium nivale Snow Trillium | f | f | f | f |
| Triosteum perfoliatum Late Horse Gentian | f | f | f | f |
| Turritis glabra Tower Mustard | f | f | f | |
| Typha latifolia Broad-leaf Cat-tail | f | f | f | f |
| Uvularia grandiflora Large-flowered Bellwort | f | f | f | f |
| Uvularia sessilifolia Sessile-leaf Bellwort | f | f | f | f |
| Verbena bracteata Big-bract Verbena | f | |||
| Veronica catenata Water Speedwell | f | f | f | |
| Veronica peregrina Purslane Speedwell | f | f | f | |
| Veronica scutellata Marsh Speedwell | f | f | f | f |
| Vicia americana American Vetch | f | f | ||
| Viola adunca Sand Violet | f | f | f | f |
| Viola blanda Sweet White Violet | f | f | f | f |
| Viola canadensis Canadian White Violet | f | f | f | f |
| Viola conspersa Dog Violet | f | f | f | f |
| Viola cucullata Marsh Blue Violet | f | f | f | f |
| Viola lanceolata Lance-leaved Violet | f | f | f | f |
| Viola macloskeyi Small White Violet | f | f | f | f |
| Viola nephrophylla Northern Bog Violet | f | f | f | f |
| Viola palmata var. pedatifida Prairie Violet | f | f | f | f |
| Viola pedata Birdfoot Violet | f | f | f | f |
| Viola pubescens Downy Yellow Violet | f | f | f | f |
| Viola sagittata Arrow-leaved Violet | f | f | f | f |
| Viola sororia Common Blue Violet | f | f | f | f |
| Zizia aptera Heart-leaved Alexanders | f | f | f | |
| Zizia aurea Golden Alexanders | f | f | f |
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