What’s Blooming in August?
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 |
|---|---|---|---|---|
| Acalypha rhomboidea Three-seeded Mercury | f | f | f | f |
| Achillea millefolium Common Yarrow | f | f | f | f |
| Agalinis purpurea Purple False Foxglove | f | f | f | f |
| Agalinis tenuifolia Slender-leaved False Foxglove | f | f | f | f |
| Agastache foeniculum Blue Giant Hyssop | f | f | f | f |
| Agastache scrophulariifolia Purple Giant Hyssop | f | f | f | f |
| Ageratina altissima White Snakeroot | f | f | f | f |
| Agrimonia gryposepala Tall Hairy Agrimony | f | f | f | f |
| Alisma triviale Northern Water Plantain | f | f | f | f |
| Allium stellatum Prairie Onion | f | f | f | f |
| Ambrosia artemisiifolia Common Ragweed | f | f | f | f |
| Ambrosia trifida Giant Ragweed | f | f | f | f |
| Amorpha canescens Lead Plant | f | f | f | f |
| Amphicarpaea bracteata American Hog Peanut | f | f | f | f |
| Anaphalis margaritacea Pearly Everlasting | f | f | f | f |
| Anemone cylindrica Thimbleweed | f | f | f | f |
| Anemone virginiana Tall Thimbleweed | f | f | ||
| Apios americana Groundnut | f | f | f | f |
| Apocynum androsaemifolium Spreading Dogbane | f | f | f | f |
| Apocynum cannabinum Indian Hemp | f | f | f | f |
| Apocynum sibiricum Clasping Dogbane | f | f | f | f |
| Artemisia campestris Field Sagewort | f | f | f | f |
| Artemisia ludoviciana White Sage | f | f | f | f |
| Asclepias exaltata Poke Milkweed | f | f | ||
| Asclepias incarnata Swamp Milkweed | f | f | f | f |
| Asclepias speciosa Showy Milkweed | f | f | ||
| Asclepias stenophylla Narrow-leaved Milkweed | f | f | ||
| Asclepias sullivantii Sullivant's Milkweed | f | f | ||
| Asclepias syriaca Common Milkweed | f | f | f | f |
| Asclepias tuberosa Butterfly-weed | f | f | f | f |
| Asclepias verticillata Whorled Milkweed | f | f | f | f |
| Asclepias viridiflora Green Milkweed | f | f | ||
| Astragalus canadensis Canada Milkvetch | f | f | f | f |
| Bidens cernua Nodding Bur-Marigold | f | f | ||
| Bidens connata Purple-stem Beggarticks | f | f | ||
| Bidens frondosa Devil's Beggarticks | f | f | f | f |
| Bidens trichosperma Crowned Beggarticks | f | f | ||
| Bidens tripartita Three-lobed Beggarticks | f | f | ||
| Bidens vulgata Big Devil's Beggarticks | f | f | ||
| Boehmeria cylindrica Small-spike False Nettle | f | f | f | f |
| Boltonia asteroides False Aster | f | f | f | f |
| Brasenia schreberi Water-shield | f | f | f | f |
| Calopogon tuberosus Tuberous Grass-pink | f | |||
| Calystegia sepium Hedge Bindweed | f | f | f | f |
| Campanula americanum American Bellflower | f | f | f | f |
| Campanula aparinoides Marsh Bellflower | f | f | f | f |
| Campanula rotundifolia Harebell | f | f | f | f |
| Castilleja coccinea Indian Paintbrush | f | f | f | f |
| Ceanothus americanus New Jersey Tea | f | f | f | |
| Chamaechrista fasciculata Partridge Pea | f | f | f | f |
| Chamerion angustifolium Fireweed | f | f | f | f |
| Chelone glabra White Turtlehead | f | f | f | f |
| Chimaphila umbellata Pipsissewa | f | f | ||
| Cicuta bulbifera Bulblet-bearing Water Hemlock | f | f | f | f |
| Cicuta maculata Water Hemlock | f | f | f | f |
| Circaea lutetiana Enchanter's Nightshade | f | f | ||
| Cirsium altissimum Tall Thistle | f | f | f | f |
| Cirsium discolor Field Thistle | f | f | f | f |
| Cirsium flodmanii Flodman's Thistle | f | f | f | f |
| Cirsium muticum Swamp Thistle | f | f | f | f |
| Cirsium pumilum var. hillii Hill's Thistle | f | f | ||
| Clematis virginiana Virgin's Bower | f | f | f | f |
| Coeloglossum viride Long-bract Frog Orchid | f | f | ||
| Conyza canadensis Canadian Horseweed | f | f | f | f |
| Corallorhiza maculata Spotted Coralroot | f | f | ||
| Corallorhiza odontorhiza Autumn Coralroot | f | f | f | f |
| Coreopsis palmata Prairie Coreopsis | f | |||
| Corydalis sempervirens Pale Corydalis | f | f | f | f |
| Dalea purpurea Purple Prairie Clover | f | f | f | f |
| Dalea villosa Silky Prairie Clover | f | f | f | f |
| Dasiphora fruticosa Shrubby Cinquefoil | f | f | f | f |
| Decodon verticillatus Swamp Loosestrife | f | f | f | f |
| Desmodium canadense Showy Tick-trefoil | f | f | f | f |
| Desmodium glutinosum Pointed-leaf Tick-trefoil | f | |||
| Doellingeria umbellata Flat-topped White Aster | f | f | f | f |
| Dracocephalum parviflorum American Dragonhead | f | |||
| Drosera intermedia Spoon-leaf Sundew | f | f | f | f |
| Echinacea angustifolia Narrow-leaved Purple Coneflower | f | f | f | f |
| Echinocystis lobata Wild Cucumber | f | f | f | f |
| Erechtites hieracifolia Pilewort | f | f | f | f |
| Erigeron annuus Annual Fleabane | f | f | f | f |
| Erigeron strigosus Prairie Fleabane | f | f | f | f |
| Eryngium yuccifolium Rattlesnake Master | f | f | f | f |
| Escobaria vivipara Pincushion Cactus | f | f | ||
| Eupatorium altissimum Tall Boneset | f | f | f | |
| Eupatorium perfoliatum Common Boneset | f | f | f | f |
| Euphorbia corollata Flowering Spurge | f | f | f | f |
| Eurybia macrophylla Large-leaved Aster | f | f | f | f |
| Eutrochium maculatum Spotted Joe-pye Weed | f | f | f | f |
| Eutrochium purpureum Sweet Scented Joe Pye Weed | f | f | f | f |
| Froelichia floridana Prairie Cottonweed | f | f | f | f |
| Gaillardia aristata Blanketflower | f | f | f | f |
| Galium asprellum Rough Bedstraw | f | f | f | f |
| Galium boreale Northern Bedstraw | f | |||
| Galium concinnum Shining Bedstraw | f | f | f | f |
| Galium tinctorium Stiff Marsh Bedstraw | f | f | f | f |
| Galium trifidum Three-petal Bedstraw | f | f | f | f |
| Galium triflorum Fragrant Bedstraw | f | |||
| Gaultheria procumbens Wintergreen | f | f | f | f |
| Gentiana andrewsii Bottle Gentian | f | f | ||
| Gentiana flavida Yellow Gentian | f | f | f | |
| Gentiana rubricaulis Great Lakes Gentian | f | f | f | f |
| Gentianella quinquefolia Stiff Gentian | f | f | f | f |
| Gentianopsis crinita Greater Fringed Gentian | f | f | f | f |
| Gentianopsis procera Lesser Fringed Gentian | f | f | f | f |
| Geum macrophyllum Large-leaf Avens | f | f | ||
| Goodyera pubescens Downy Rattlesnake Plantain | f | f | f | f |
| Goodyera repens Lesser Rattlesnake Plantain | f | f | f | f |
| Goodyera tesselata Tesselated Rattlesnake Plantain | f | f | f | f |
| Grindelia squarrosa Gumweed | f | f | f | f |
| Halenia deflexa American Spurred Gentian | f | f | f | f |
| Hedeoma hispida Rough False Pennyroyal | f | f | f | f |
| Helenium autumnale Sneezeweed | f | f | f | f |
| Helianthus annuus Common Sunflower | f | f | f | f |
| Helianthus giganteus Giant Sunflower | f | f | f | f |
| Helianthus grosseserratus Sawtooth Sunflower | f | f | f | f |
| Helianthus hirsutus Hairy Sunflower | f | f | f | f |
| Helianthus maximilianii Maximilian Sunflower | f | f | f | f |
| Helianthus occidentalis Few-leaf Sunflower | f | f | f | f |
| Helianthus pauciflorus Stiff Sunflower | f | f | f | f |
| Helianthus petiolaris Prairie Sunflower | f | f | f | f |
| Helianthus tuberosus Jerusalem Artichoke | f | f | f | f |
| Heliopsis helianthoides Smooth Oxeye | f | f | f | f |
| Heterotheca villosa Hairy False Goldenaster | f | f | f | f |
| Hibiscus laevis Halberd-leaved Rose Mallow | f | f | f | f |
| Hieracium longipilum Hairy Hawkweed | f | f | f | f |
| Hieracium scabrum Sticky Hawkweed | f | f | f | f |
| Hieracium umbellatum Narrow-leaf Hawkweed | f | f | f | f |
| Houstonia longifolia Long-leaf Bluets | f | f | f | f |
| Hypericum majus Larger Canadian St. Johnswort | f | f | f | f |
| Hypericum pyramidatum Great St. Johnswort | f | f | f | f |
| Impatiens capensis Spotted Touch-me-not | f | f | f | f |
| Impatiens pallida Pale Touch-me-not | f | f | f | f |
| Iris versicolor Harlequin Blueflag | f | f | f | f |
| Krigia biflora Two-flowered Cynthia | f | |||
| Lactuca biennis Tall Blue Lettuce | f | f | f | f |
| Lactuca canadensis Wild Lettuce | f | f | f | f |
| Laportea canadensis Canadian Wood Nettle | f | f | f | f |
| Lathyrus japonicus Beach Pea | f | f | f | f |
| Lespedeza capitata Round-headed Bush Clover | f | f | f | f |
| Lespedeza leptostachya Prairie Bush Clover | f | f | ||
| Liatris aspera Rough Blazing Star | f | f | f | f |
| Liatris punctata Dotted Blazing Star | f | f | f | f |
| Liatris pycnostachya Prairie Blazing Star | f | f | f | f |
| Lilium michiganense Michigan Lily | f | f | ||
| Lilium philadelphicum Wood Lily | f | |||
| Lindernia dubia False Pimpernel | f | f | f | f |
| Linnaea borealis Twinflower | f | f | ||
| Listera cordata Heart-leaved Twayblade | f | |||
| Lithospermum canescens Hoary Puccoon | f | f | f | f |
| Lobelia cardinalis Cardinal Flower | f | f | f | f |
| Lobelia inflata Indian Tobacco | f | f | f | f |
| Lobelia kalmii Kalm's Lobelia | f | f | f | f |
| Lobelia siphilitica Blue Lobelia | f | f | f | f |
| Lobelia spicata Pale-spike Lobelia | f | f | f | f |
| Lotus purshianus American Bird's-foot Trefoil | f | f | f | f |
| Lycopus americanus American Water Horehound | f | f | f | f |
| Lycopus uniflorus Northern Bugleweed | f | f | f | f |
| Lysimachia ciliata Fringed Loosestrife | f | f | ||
| Lysimachia terrestris Swamp Candles | f | f | f | f |
| Lythrum alatum Winged Loosestrife | f | f | f | f |
| Malaxis unifolia Green Adder's-mouth | f | f | f | |
| Melampyrum lineare Cow Wheat | f | f | f | f |
| Mentha arvensis Wild Mint | f | f | f | f |
| Mimulus glabratus Round-leaf Monkey Flower | f | f | f | f |
| Mimulus ringens Allegheny Monkey Flower | f | f | f | f |
| Mirabilis albida Hairy Four O'clock | f | f | f | f |
| Mirabilis nyctaginea Wild Four O'Clock | f | f | f | f |
| Monarda fistulosa Wild Bergamot | f | f | f | f |
| Monarda punctata Spotted Horsemint | f | f | f | f |
| Moneses uniflora One-flowered Pyrola | f | |||
| Monotropa hypopithys Pinesap | f | f | f | f |
| Monotropa uniflora Indian Pipe | f | f | f | f |
| Mulgedium pulchellum Showy Blue Lettuce | f | f | f | f |
| Nelumbo lutea American Lotus | f | f | f | f |
| Nuphar variegata Yellow Pond-lily | f | f | f | f |
| Nymphaea odorata American White Water-lily | f | f | f | f |
| Oenothera biennis Common Evening Primrose | f | f | f | f |
| Oenothera nuttallii Nuttall's Evening Primrose | f | |||
| Oenothera rhombipetala Fourpoint Evening Primrose | f | f | f | f |
| Orobanche ludoviciana Louisiana Broomrape | f | f | f | f |
| Parietaria pensylvanica Pennsylvania Pellitory | f | f | f | f |
| Pedicularis lanceolata Swamp Lousewort | f | f | f | f |
| Pediomelum argophyllum Silverleaf Scurfpea | f | f | f | |
| Penthorum sedoides Ditch Stonecrop | f | f | f | f |
| Persicaria amphibia Swamp Smartweed | f | f | f | f |
| Persicaria virginiana Jumpseed | f | f | f | f |
| Phemeranthus rugospermus Rough-seeded Fameflower | f | |||
| Phryma leptostachya American Lopseed | f | f | f | f |
| Phyla lanceolata Lance-leaf Fog Fruit | f | f | f | f |
| Physalis heterophylla Clammy Ground Cherry | f | f | f | f |
| Physalis virginiana Virginia Ground Cherry | f | f | f | f |
| Physostegia virginiana Obedient Plant | f | f | f | f |
| Platanthera dilatata Tall White Bog Orchid | f | f | f | f |
| Platanthera hyperborea Northern Green Orchid | f | f | f | |
| Platanthera obtusata Blunt-leaved Orchid | f | |||
| Platanthera orbiculata Large Round-leaved Orchid | f | f | ||
| Platanthera psycodes Lesser Purple Fringed Orchid | f | f | f | f |
| Polanisia dodecandra Red-whisker Clammyweed | f | f | f | f |
| Polygala cruciata Cross-leaved Milkwort | f | f | f | f |
| Polygala polygama Racemed Milkwort | f | f | f | |
| Polygala sanguinea Blood Milkwort | f | f | f | f |
| Polygala verticillata Whorled Milkwort | f | f | f | f |
| Pontederia cordata Pickerelweed | f | f | f | f |
| Potentilla anserina Silverweed Cinquefoil | f | f | f | f |
| Potentilla arguta Tall Cinquefoil | f | f | f | |
| Potentilla norvegica Rough Cinquefoil | f | f | f | f |
| Prenanthes alba White Rattlesnake-root | f | f | f | |
| Prunella vulgaris Self-heal | f | f | f | f |
| Pseudognaphalium obtusifolium Sweet Everlasting | f | f | f | f |
| Pycnanthemum virginianum Virginia Mountain Mint | f | f | f | f |
| Pyrola elliptica Shinleaf | f | |||
| Ranunculus aquatilis White Water Crowfoot | f | f | f | f |
| Ranunculus cymbalaria Alkali Buttercup | f | f | f | f |
| Ranunculus pensylvanicus Pennsylvania Buttercup | f | f | f | |
| Ratibida columnifera Prairie Coneflower | f | f | f | f |
| Ratibida pinnata Gray-headed Coneflower | f | f | f | f |
| Rudbeckia hirta Black-eyed Susan | f | f | f | f |
| Rudbeckia laciniata Cut-leaf Coneflower | f | f | f | f |
| Rudbeckia triloba Brown-eyed Susan | f | f | f | f |
| Sagittaria latifolia Broad-leaf Arrowhead | f | f | f | f |
| Sarracenia purpurea Purple Pitcher Plant | f | f | f | f |
| Scutellaria galericulata Marsh Skullcap | f | f | f | f |
| Scutellaria lateriflora Mad-dog Skullcap | f | f | f | f |
| Sicyos angulatus Bur Cucumber | f | f | f | f |
| Silphium perfoliatum Cup Plant | f | f | f | f |
| Solidago canadensis Canada Goldenrod | f | f | f | f |
| Solidago flexicaulis Zigzag Goldenrod | f | f | ||
| Solidago nemoralis Gray Goldenrod | f | f | f | f |
| Solidago rigida Stiff Goldenrod | f | f | f | |
| Solidago speciosa Showy Goldenrod | f | f | f | f |
| Spiraea alba White Meadowsweet | f | f | f | f |
| Spiraea tomentosa Steeplebush | f | f | f | f |
| Spiranthes cernua Nodding Ladies'-tresses | f | f | f | f |
| Spiranthes magnicamporum Great Plains Ladies'-tresses | f | f | ||
| Spiranthes romanzoffiana Hooded Ladies'-tresses | f | f | f | f |
| Stachys hispida Hairy Hedge Nettle | f | f | f | |
| Stachys palustris Marsh Hedge Nettle | f | f | f | f |
| Strophostyles helvola Wild Bean | f | f | f | f |
| Strophostyles leiosperma Trailing Pea | f | f | f | f |
| Symphyotrichum ciliolatum Lindley's Aster | f | f | f | |
| Symphyotrichum ericoides Heath Aster | f | f | ||
| Symphyotrichum laeve Smooth Blue Aster | f | f | ||
| Symphyotrichum novae-angliae New England Aster | f | f | f | |
| Symphyotrichum oolentangiense Sky-blue Aster | f | f | f | |
| Symphyotrichum puniceum Purple-stemmed Aster | f | f | ||
| Symphyotrichum sericeum Silky Aster | f | f | ||
| Teucrium canadense Germander | f | f | f | f |
| Tradescantia bracteata Long-bracted Spiderwort | f | f | f | f |
| Tradescantia occidentalis Spiderwort | f | f | f | f |
| Tradescantia ohiensis Ohio Spiderwort | f | f | f | f |
| Triadenum fraseri Fraser's Marsh St. Johnswort | f | f | f | f |
| Urtica dioica Stinging Nettle | f | f | f | f |
| Utricularia cornuta Horned Bladderwort | f | f | f | f |
| Utricularia intermedia Flat-leaved Bladderwort | f | f | f | f |
| Utricularia macrorhiza Common Bladderwort | f | f | f | f |
| Verbena bracteata Big-bract Verbena | f | f | f | f |
| Verbena hastata Blue Vervain | f | f | f | f |
| Verbena stricta Hoary Vervain | f | f | f | f |
| Verbena urticifolia White Vervain | f | f | f | f |
| Vernonia fasciculata Prairie Ironweed | f | f | f | f |
| Veronica catenata Water Speedwell | f | f | f | f |
| Veronica peregrina Purslane Speedwell | f | f | f | f |
| Veronica scutellata Marsh Speedwell | f | f | f | f |
| Veronicastrum virginicum Culver's Root | f | f | f | f |
| Vicia americana American Vetch | f | f | f | f |
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