What’s Blooming in October?

It's the end of the season. :-( Anything blooming at the beginning of October will likely be done by the end of the month. A few asters may still be hanging on when November rolls around.

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.

October Native Plants
Plant NameWeek 1Week 2Week 3Week 4
Acalypha rhomboidea Three-seeded Mercuryf   
Agalinis aspera Rough False Foxgloveff  
Agalinis gattingeri Round-stemmed False Foxglovef   
Agalinis tenuifolia Slender-leaved False Foxglovef   
Agastache foeniculum Blue Giant Hyssopf   
Agastache nepetoides Yellow Giant Hyssopff  
Ageratina altissima White Snakerootf   
Ambrosia psilostachya Western Ragweedffff
Anaphalis margaritacea Pearly Everlastingf   
Artemisia ludoviciana White Sagef   
Artemisia serrata Saw-tooth Wormwoodffff
Aureolaria pedicularia Fern-leaf False Foxgloveff  
Bidens cernua Nodding Bur-Marigoldf   
Bidens connata Purple-stem Beggarticksf   
Bidens frondosa Devil's Beggarticksf   
Bidens trichosperma Crowned Beggarticksf   
Bidens tripartita Three-lobed Beggarticksf   
Bidens vulgata Big Devil's Beggarticksf   
Boltonia asteroides False Asterf   
Campanula rotundifolia Harebellf   
Canadanthus modestus Modest Asterff  
Cirsium discolor Field Thistlef   
Cirsium muticum Swamp Thistlef   
Conyza canadensis Canadian Horseweedf   
Corallorhiza odontorhiza Autumn Coralrootf   
Cyclachaena xanthiifolia Giant Sumpweedffff
Doellingeria umbellata Flat-topped White Asterf   
Echinacea angustifolia Narrow-leaved Purple Coneflowerf   
Erigeron annuus Annual Fleabanef   
Eupatorium perfoliatum Common Bonesetf   
Euphorbia cyathophora Painted Leafffff
Euphorbia geyeri Geyer's Spurgeffff
Euphorbia glyptosperma Ridge-seed Spurgeffff
Euphorbia marginata Snow-on-the-mountainff  
Euphorbia nutans Nodding Spurgeffff
Euphorbia serpillifolia Thyme-leaved Spurgeffff
Eurybia macrophylla Large-leaved Asterf   
Gentiana flavida Yellow Gentianf   
Gentiana puberulenta Downy Gentianff  
Gentianella quinquefolia Stiff Gentianf   
Grindelia squarrosa Gumweedf   
Helenium autumnale Sneezeweedf   
Helianthus annuus Common Sunflowerf   
Helianthus grosseserratus Sawtooth Sunflowerf   
Helianthus maximilianii Maximilian Sunflowerf   
Helianthus tuberosus Jerusalem Artichokef   
Heteranthera dubia Water Star-grassffff
Heterotheca villosa Hairy False Goldenasterf   
Juncus bufonius Toad Rushff  
Juncus pelocarpus Brown-fruit Rushffff
Lobelia inflata Indian Tobaccof   
Lobelia siphilitica Blue Lobeliaf   
Mirabilis albida Hairy Four O'clockf   
Oenothera biennis Common Evening Primrosef   
Oenothera parviflora Northern Evening Primroseffff
Oxalis dillenii Southern Wood Sorrelffff
Oxalis stricta Yellow Wood Sorrelffff
Physostegia virginiana Obedient Plantf   
Plantago rugelii Rugel's Plantainffff
Polygala verticillata Whorled Milkwortf   
Prenanthes racemosa Glaucous White Lettuceff  
Prunella vulgaris Self-healf   
Pseudognaphalium obtusifolium Sweet Everlastingf   
Rudbeckia hirta Black-eyed Susanf   
Rudbeckia subtomentosa Sweet Coneflowerffff
Rudbeckia triloba Brown-eyed Susanf   
Silphium terebinthinaceum Prairie Dockffff
Solidago canadensis Canada Goldenrodf   
Solidago flexicaulis Zigzag Goldenrodf   
Solidago hispida Hairy Goldenrodffff
Solidago nemoralis Gray Goldenrodf   
Solidago speciosa Showy Goldenrodf   
Strophostyles helvola Wild Beanf   
Symphyotrichum boreale Northern Bog Asterf   
Symphyotrichum ciliolatum Lindley's Asterf   
Symphyotrichum drummondii Drummond's Asterffff
Symphyotrichum ericoides Heath Asterf   
Symphyotrichum laeve Smooth Blue Asterf   
Symphyotrichum lanceolatum Panicled Asterffff
Symphyotrichum lateriflorum Calico Asterffff
Symphyotrichum novae-angliae New England Asterf   
Symphyotrichum oblongifolium Aromatic Asterf   
Symphyotrichum ontarionis Ontario Asterffff
Symphyotrichum oolentangiense Sky-blue Asterf   
Symphyotrichum pilosum Awl Asterffff
Symphyotrichum prenanthoides Crooked Asterffff
Symphyotrichum puniceum Purple-stemmed Asterf   
Symphyotrichum sericeum Silky Asterf   
Symphyotrichum shortii Short's Asterffff
Symphyotrichum urophyllum Arrowleaf Asterff  
Verbena bracteata Big-bract Verbenaf   
Veronica americana American Speedwellf   
Veronica peregrina Purslane Speedwellf