Non-native Wildflower Bloom Times
The chart represents the typical blooming season for the species. 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 sooner than Southern MN.
Only plants alien to Minnesota 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.
| Plant Name | Apr | May | Jun | Jul | Aug | Sep | Oct |
|---|---|---|---|---|---|---|---|
| Abutilon theophrasti Velvet Leaf | f | f | f | ||||
| Achillea ptarmica Sneezewort | f | f | f | ||||
| Aegopodium podagraria Goutweed | f | f | |||||
| Aethusa cynapium Fool's Parsley | f | f | |||||
| Alliaria petiolata Garlic Mustard | f | f | |||||
| Allium tuberosum Chinese Chives | f | f | f | ||||
| Alyssum alyssoides Pale Madwort | f | f | f | ||||
| Alyssum desertorum Desert Madwort | f | f | |||||
| Amaranthus retroflexus Redroot Pigweed | f | f | f | ||||
| Anthemis cotula Dog Fennel | f | f | f | f | |||
| Anthriscus sylvestris Wild Chervil | f | f | f | ||||
| Arabidopsis thaliana Mouse-ear Cress | f | f | |||||
| Arctium lappa Great Burdock | f | f | f | ||||
| Arctium minus Common Burdock | f | f | f | ||||
| Arctium tomentosum Woolly Burdock | f | f | f | ||||
| Arenaria serpyllifolia Thyme-leaved Sandwort | f | f | f | f | f | ||
| Armoracia rusticana Horseradish | f | f | f | ||||
| Artemisia absinthium Absinthium | f | f | f | ||||
| Artemisia biennis Biennial Wormwood | f | f | f | ||||
| Artemisia vulgaris Common Mugwort | f | f | f | f | |||
| Asclepias purpurascens Purple Milkweed | f | f | |||||
| Asparagus officinalis Garden Asparagus | f | f | |||||
| Astragalus cicer Chickpea Milk-vetch | f | f | f | ||||
| Barbarea vulgaris Garden Yellow Rocket | f | f | f | ||||
| Bassia scoparia Summer Cypress | f | f | f | f | |||
| Berteroa incana Hoary Alyssum | f | f | f | f | f | f | f |
| Brassica nigra Black Mustard | f | f | f | ||||
| Brassica rapa Field Mustard | f | f | |||||
| Butomus umbellatus Flowering Rush | f | f | f | ||||
| Camelina microcarpa Small-seeded False Flax | f | f | f | ||||
| Camelina sativa Large-seeded False Flax | f | f | |||||
| Campanula cervicaria Bristly Bellflower | f | f | |||||
| Campanula rapunculoides Creeping Bellflower | f | f | f | f | f | ||
| Cannabis sativa Hemp | f | f | f | f | f | ||
| Capsella bursa-pastoris Shepherd's Purse | f | f | f | f | f | f | |
| Cardamine impatiens Narrow-leaf Bittercress | f | f | f | ||||
| Carduus acanthoides Plumeless Thistle | f | f | f | f | |||
| Carduus nutans Nodding Thistle | f | f | f | f | f | ||
| Carum carvi Caraway | f | f | f | ||||
| Centaurea cyanus Cornflower | f | f | f | f | |||
| Centaurea jacea Brown Knapweed | f | f | |||||
| Centaurea montana Perennial Cornflower | f | f | f | ||||
| Centaurea nigrescens Alpine Knapweed | f | f | |||||
| Centaurea solstitialis Yellow Starthistle | f | f | f | f | |||
| Centaurea stoebe Spotted Knapweed | f | f | f | f | f | ||
| Centaurea X moncktonii Meadow Knapweed | f | f | |||||
| Centaurium pulchellum Branching Centaury | f | f | f | f | f | ||
| Cerastium fontanum Mouse-ear Chickweed | f | f | f | f | f | ||
| Chaenorhinum minus Dwarf Snapdragon | f | f | f | f | |||
| Chaiturus marrubiastrum False Motherwort | f | f | f | f | |||
| Chelidonium majus Celandine | f | f | f | f | |||
| Chenopodium album Lamb's-quarters | f | f | f | ||||
| Cichorium intybus Chicory | f | f | f | f | f | ||
| Cirsium arvense Canada Thistle | f | f | f | f | f | ||
| Cirsium palustre Marsh Thistle | f | f | f | ||||
| Cirsium vulgare Bull Thistle | f | f | f | f | f | ||
| Commelina communis Asiatic Dayflower | f | f | f | f | |||
| Conium maculatum Poison Hemlock | f | f | f | ||||
| Convallaria majalis European Lily-of-the-valley | f | f | |||||
| Convolvulus arvensis Field Bindweed | f | f | f | f | |||
| Coreopsis lanceolata Lanceleaf Coreopsis | f | f | f | ||||
| Coreopsis tinctoria Plains Coreopsis | f | f | f | ||||
| Crepis tectorum Narrow-leaf Hawksbeard | f | f | f | ||||
| Croton glandulosus Vente Conmigo | f | f | f | f | |||
| Cynanchum louiseae Black Swallow-wort | f | f | f | ||||
| Cynoglossum officinale Gypsy Flower | f | f | f | ||||
| Datura stramonium Jimsonweed | f | f | f | ||||
| Datura wrightii Sacred Thorn-apple | f | f | f | f | |||
| Daucus carota Queen Anne's Lace | f | f | f | f | |||
| Descurainia sophia Herb Sophia | f | f | f | ||||
| Dianthus armeria Deptford Pink | f | f | f | f | |||
| Dianthus barbatus Sweet William | f | f | f | ||||
| Dianthus deltoides Maiden Pink | f | f | f | ||||
| Digitalis grandiflora Yellow Foxglove | f | f | |||||
| Digitalis lanata Grecian Foxglove | f | f | f | ||||
| Dipsacus fullonum Common Teasel | f | f | |||||
| Dipsacus laciniatus Cut-leaf Teasel | f | f | f | ||||
| Draba verna Spring Whitlow-grass | f | f | |||||
| Dysphania botrys Jerusalem Oak | f | f | f | f | |||
| Dyssodia papposa Fetid Marigold | f | f | f | f | |||
| Echinacea pallida Pale Purple Coneflower | f | f | f | ||||
| Echinacea purpurea Eastern Purple Coneflower | f | f | f | f | |||
| Echium vulgare Viper's Bugloss | f | f | f | f | |||
| Epipactis helleborine Helleborine | f | f | |||||
| Erucastrum gallicum Dog Mustard | f | f | f | f | |||
| Erysimum cheiranthoides Wormseed Wallflower | f | f | f | ||||
| Euphorbia cyparissias Cypress Spurge | f | f | f | f | |||
| Euphorbia prostrata Prostrate Spurge | f | f | f | f | |||
| Euphorbia virgata Leafy Spurge | f | f | f | f | f | ||
| Euphrasia officinalis Tartary Eyebright | f | f | f | ||||
| Fagopyrum esculentum Buckwheat | f | f | f | f | |||
| Fallopia convolvulus Black-bindweed | f | f | f | f | f | ||
| Ficaria verna Lesser Celandine | f | f | |||||
| Filipendula ulmaria Queen-of-the-meadow | f | f | f | ||||
| Galeopsis tetrahit Brittlestem Hemp-nettle | f | f | f | f | |||
| Galinsoga parviflora Small-flowered Galinsoga | f | f | f | ||||
| Galinsoga quadriradiata Shaggy Soldier | f | f | f | f | f | ||
| Galium mollugo False Baby's Breath | f | f | f | f | |||
| Galium verum Yellow Bedstraw | f | f | f | ||||
| Geranium sibiricum Siberian Cranesbill | f | f | |||||
| Glechoma hederacea Ground Ivy | f | f | f | ||||
| Gnaphalium uliginosum Low Cudweed | f | f | f | f | |||
| Gypsophila muralis Low Baby's Breath | f | f | f | ||||
| Gypsophila paniculata Baby's Breath | f | f | f | ||||
| Hemerocallis fulva Day Lily | f | f | f | ||||
| Hesperis matronalis Dame's Rocket | f | f | f | ||||
| Hibiscus trionum Flower of an Hour | f | f | f | ||||
| Hieracium aurantiacum Orange Hawkweed | f | f | f | f | f | ||
| Hieracium caespitosum Meadow Hawkweed | f | f | f | ||||
| Hieracium pilosella Mouse-ear Hawkweed | f | f | f | f | |||
| Hieracium piloselloides Glaucous King-devil | f | f | f | ||||
| Humulus japonicus Japanese Hops | f | f | |||||
| Hylotelephium telephium Orpine | f | f | f | ||||
| Hypericum kalmianum Kalm's St. John's-wort | f | f | |||||
| Hypericum perforatum Common St. Johnswort | f | f | f | f | |||
| Inula helenium Elecampane | f | f | f | ||||
| Iris pseudacorus Pale-yellow Iris | f | f | |||||
| Juncus compressus Round-fruited Rush | f | f | |||||
| Knautia arvensis Field Scabious | f | f | f | f | |||
| Lactuca serriola Prickly Lettuce | f | f | f | ||||
| Lamiastrum galeobdolon Yellow Archangel | f | f | |||||
| Lamium amplexicaule Henbit | f | f | f | f | f | f | |
| Lappula occidentalis Western Stickseed | f | f | f | ||||
| Lappula squarrosa European Stickseed | f | f | f | f | f | ||
| Lapsana communis Common Nipplewort | f | f | f | f | |||
| Lathyrus sylvestris Narrow-leaved Everlasting Pea | f | f | |||||
| Lathyrus tuberosus Earthnut Pea | f | f | |||||
| Leonurus cardiaca Motherwort | f | f | f | ||||
| Leonurus sibiricus Siberian Motherwort | f | f | f | ||||
| Lepidium draba White-top | f | f | |||||
| Leucanthemella serotina Giant Daisy | f | f | |||||
| Leucanthemum vulgare Ox-eye Daisy | f | f | f | ||||
| Lilium lancifolium Tiger Lily | f | f | |||||
| Linaria dalmatica Dalmatian Toadflax | f | f | f | f | |||
| Linaria vulgaris Butter and Eggs | f | f | f | f | f | ||
| Linum perenne Perennial Flax | f | f | f | ||||
| Linum usitatissimum Common Flax | f | f | |||||
| Lotus corniculatus Birds-foot Trefoil | f | f | f | ||||
| Lupinus polyphyllus Large-leaved Lupine | f | f | f | ||||
| Luzula luzuloides Oak Forest Woodrush | f | f | |||||
| Lysimachia nummularia Creeping Jenny | f | f | f | ||||
| Lysimachia vulgaris Garden Loosestrife | f | f | |||||
| Lythrum salicaria Purple Loosestrife | f | f | f | ||||
| Malva neglecta Common Mallow | f | f | f | f | f | f | |
| Malva pusilla Round-leaved Mallow | f | f | f | f | f | f | |
| Matricaria chamomilla German Chamomile | f | f | f | f | f | ||
| Matricaria discoidea Pineapple-weed | f | f | f | f | f | ||
| Medicago lupulina Black Medick | f | f | f | f | f | ||
| Medicago sativa Alfalfa | f | f | f | f | |||
| Melilotus albus White Sweet Clover | f | f | f | f | f | ||
| Melilotus officinalis Yellow Sweet Clover | f | f | f | f | |||
| Mentha spicata Spearmint | f | f | f | ||||
| Mollugo verticillata Carpetweed | f | f | f | f | |||
| Myosotis arvensis Field Forget-me-not | f | f | |||||
| Myosotis scorpioides True Forget-me-not | f | f | f | f | f | ||
| Myosotis sylvatica Wood Forget-me-not | f | f | f | f | f | ||
| Myosoton aquaticum Giant Chickweed | f | f | f | f | f | f | |
| Nasturtium officinale Watercress | f | f | f | f | |||
| Nepeta cataria Catnip | f | f | f | f | |||
| Odontites vernus Red Bartsia | f | f | f | ||||
| Onopordum acanthium Scotch Thistle | f | f | f | f | |||
| Pastinaca sativa Wild Parsnip | f | f | |||||
| Peritoma serrulata Rocky Mountain Beeplant | f | f | f | ||||
| Persicaria hydropiper Marsh Waterpepper | f | f | f | ||||
| Persicaria longiseta Oriental Lady's-thumb | f | f | f | f | |||
| Persicaria maculosa Lady's-thumb | f | f | f | f | |||
| Persicaria minor Pygmy Smartweed | f | f | f | ||||
| Persicaria orientalis Prince's Feather | f | f | f | f | f | ||
| Phlox subulata Creeping Phlox | f | ||||||
| Physalis longifolia Long-leaf Ground Cherry | f | f | f | ||||
| Pimpinella saxifraga Burnet Saxifrage | f | f | f | f | |||
| Plantago lanceolata English Plantain | f | f | f | f | f | ||
| Plantago major Common Plantain | f | f | f | f | f | ||
| Plantago virginica Dwarf Plantain | f | f | |||||
| Portulaca oleracea Common Purslane | f | f | f | f | |||
| Potentilla argentea Silver Cinquefoil | f | f | f | f | |||
| Potentilla indica Mock Strawberry | f | f | f | f | f | ||
| Potentilla recta Sulphur Cinquefoil | f | f | f | ||||
| Ranunculus acris Tall Buttercup | f | f | f | f | f | f | |
| Ranunculus testiculatus Bur Buttercup | f | f | |||||
| Raphanus raphanistrum Jointed Charlock | f | f | f | ||||
| Reynoutria japonica Japanese Knotweed | f | f | |||||
| Reynoutria X bohemica Bohemian Knotweed | f | f | |||||
| Rorippa sylvestris Creeping Yellow-cress | f | f | f | f | |||
| Rumex acetosa Green Sorrel | f | f | |||||
| Rumex acetosella Common Sheep Sorrel | f | f | f | ||||
| Rumex crispus Curly Dock | f | f | |||||
| Rumex longifolius Dooryard Dock | f | f | |||||
| Rumex obtusifolius Bitter Dock | f | f | |||||
| Rumex patientia Patience Dock | f | f | |||||
| Rumex pseudonatronatus Field Dock | f | f | |||||
| Rumex stenophyllus Narrowleaf Dock | f | f | |||||
| Sagina procumbens Bird's-eye Pearlwort | f | f | f | ||||
| Salsola collina Slender Russian Thistle | f | f | f | ||||
| Salsola tragus Russian Thistle | f | f | f | ||||
| Saponaria officinalis Bouncing Bet | f | f | f | ||||
| Scilla siberica Siberian Squill | f | f | |||||
| Scleranthus annuus Knawel | f | f | f | f | f | ||
| Scleranthus perennis Perennial Knawel | f | f | f | f | |||
| Scorzoneroides autumnalis Autumn Hawkbit | f | f | f | ||||
| Securigera varia Crown Vetch | f | f | f | f | f | ||
| Senecio viscosus Sticky Ragwort | f | f | f | ||||
| Senecio vulgaris Common Groundsel | f | f | f | f | f | f | |
| Silene csereii Balkan Catchfly | f | f | f | f | |||
| Silene latifolia White Campion | f | f | f | f | f | ||
| Silene noctiflora Night-flowering Catchfly | f | f | f | f | |||
| Silene vulgaris Bladder Campion | f | f | f | f | f | ||
| Sinapis arvensis Charlock | f | f | |||||
| Sisymbrium altissimum Tall Tumble Mustard | f | f | f | ||||
| Sisymbrium loeselii Tall Hedge Mustard | f | f | f | ||||
| Sisymbrium officinale Hedge Mustard | f | f | f | f | f | f | |
| Solanum carolinense Horse Nettle | f | f | f | f | f | ||
| Solanum dulcamara Bittersweet Nightshade | f | f | f | f | |||
| Solanum physalifolium Hairy Nightshade | f | f | f | f | |||
| Sonchus arvensis Perennial Sowthistle | f | f | f | f | |||
| Sonchus asper Spiny Sowthistle | f | f | f | f | |||
| Sonchus oleraceus Common Sowthistle | f | f | f | f | |||
| Spergularia rubra Red Sand Spurrey | f | f | f | f | f | ||
| Stellaria graminea Lesser Stitchwort | f | f | f | f | |||
| Stellaria media Common Chickweed | f | f | f | f | |||
| Symphytum officinale Common Comfrey | f | f | f | f | |||
| Tanacetum parthenium Feverfew | f | f | f | ||||
| Tanacetum vulgare Common Tansy | f | f | f | ||||
| Taraxacum erythrospermum Red-seeded Dandelion | f | f | f | f | f | ||
| Taraxacum officinale Common Dandelion | f | f | f | f | f | f | |
| Thladiantha dubia Red Hailstone | f | f | f | f | |||
| Thlaspi arvense Field Pennycress | f | f | f | ||||
| Torilis japonica Japanese Hedge Parsley | f | f | f | ||||
| Tragopogon dubius Yellow Goat's Beard | f | f | f | f | f | ||
| Tragopogon pratensis Meadow Goat's Beard | f | f | f | f | |||
| Trifolium arvense Rabbit-foot Clover | f | f | f | f | |||
| Trifolium aureum Golden Clover | f | f | f | f | f | ||
| Trifolium campestre Low Hop Clover | f | f | f | f | f | ||
| Trifolium fragiferum Strawberry Clover | f | f | f | ||||
| Trifolium hybridum Alsike Clover | f | f | f | f | |||
| Trifolium incarnatum Crimson Clover | f | f | f | f | f | ||
| Trifolium pratense Red Clover | f | f | f | f | |||
| Trifolium repens White Clover | f | f | f | f | f | f | |
| Tripleurospermum inodorum Scentless False Mayweed | f | f | f | f | f | ||
| Typha angustifolia Narrow-leaved Cattail | f | f | f | ||||
| Valeriana officinalis Garden Heliotrope | f | f | f | f | |||
| Verbascum blattaria Moth Mullein | f | f | f | f | |||
| Verbascum thapsus Common Mullein | f | f | f | f | |||
| Veronica arvensis Corn Speedwell | f | f | f | f | f | ||
| Veronica longifolia Long-leaved Speedwell | f | f | |||||
| Veronica officinalis Common Speedwell | f | f | f | ||||
| Veronica persica Bird's-eye Speedwell | f | f | f | f | |||
| Veronica serpyllifolia Thyme-leaf Speedwell | f | f | f | f | f | f | |
| Veronica verna Spring Speedwell | f | f | |||||
| Vicia cracca Tufted Vetch | f | f | f | ||||
| Vicia sativa Common Vetch | f | f | f | ||||
| Vicia villosa Hairy Vetch | f | f | f | ||||
| Vinca minor Periwinkle | f | f |