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.
| Plant Name | Week 1 | Week 2 | Week 3 | Week 4 |
|---|---|---|---|---|
| Acalypha rhomboidea Three-seeded Mercury | f | |||
| Agalinis aspera Rough False Foxglove | f | f | ||
| Agalinis gattingeri Round-stemmed False Foxglove | f | |||
| Agalinis tenuifolia Slender-leaved False Foxglove | f | |||
| Agastache foeniculum Blue Giant Hyssop | f | |||
| Agastache nepetoides Yellow Giant Hyssop | f | f | ||
| Ageratina altissima White Snakeroot | f | |||
| Amaranthus albus Tumbleweed Amaranth | f | f | f | f |
| Amaranthus tuberculatus Rough-fruited Waterhemp | f | f | ||
| Ambrosia psilostachya Western Ragweed | f | f | f | f |
| Anaphalis margaritacea Pearly Everlasting | f | |||
| Artemisia ludoviciana White Sage | f | |||
| Artemisia serrata Saw-tooth Wormwood | f | f | f | f |
| Aureolaria pedicularia Fern-leaf False Foxglove | f | f | ||
| Bidens cernua Nodding Bur-Marigold | f | |||
| Bidens connata Purple-stem Beggarticks | f | |||
| Bidens frondosa Devil's Beggarticks | f | |||
| Bidens trichosperma Crowned Beggarticks | f | |||
| Bidens tripartita Three-lobed Beggarticks | f | |||
| Bidens vulgata Big Devil's Beggarticks | f | |||
| Boltonia asteroides False Aster | f | |||
| Campanula rotundifolia Harebell | f | |||
| Canadanthus modestus Modest Aster | f | f | ||
| Chenopodium berlandieri Pitseed Goosefoot | f | |||
| Cirsium discolor Field Thistle | f | |||
| Cirsium muticum Swamp Thistle | f | |||
| Conyza canadensis Canadian Horseweed | f | |||
| Corallorhiza odontorhiza Autumn Coralroot | f | |||
| Cyclachaena xanthiifolia Giant Sumpweed | f | f | f | f |
| Doellingeria umbellata Flat-topped White Aster | f | |||
| Echinacea angustifolia Narrow-leaved Purple Coneflower | f | |||
| Eclipta prostrata Yerba-de-tajo | f | f | f | f |
| Epilobium ciliatum Fringed Willowherb | f | |||
| Epilobium coloratum Purple-leaf Willowherb | f | |||
| Erigeron annuus Annual Fleabane | f | |||
| Eupatorium perfoliatum Common Boneset | f | |||
| Euphorbia cyathophora Painted Leaf | f | f | f | f |
| Euphorbia geyeri Geyer's Spurge | f | f | f | f |
| Euphorbia glyptosperma Ridge-seed Spurge | f | f | f | f |
| Euphorbia marginata Snow-on-the-mountain | f | f | ||
| Euphorbia nutans Nodding Spurge | f | f | f | f |
| Euphorbia serpillifolia Thyme-leaved Spurge | f | f | f | f |
| Eurybia macrophylla Large-leaved Aster | f | |||
| Gentiana flavida Yellow Gentian | f | |||
| Gentiana puberulenta Downy Gentian | f | f | ||
| Gentianella quinquefolia Stiff Gentian | f | |||
| Grindelia squarrosa Gumweed | f | |||
| Helenium autumnale Sneezeweed | f | |||
| Helianthus annuus Common Sunflower | f | |||
| Helianthus grosseserratus Sawtooth Sunflower | f | |||
| Helianthus maximiliani Maximilian Sunflower | f | |||
| Helianthus tuberosus Jerusalem Artichoke | f | |||
| Heteranthera dubia Water Star-grass | f | f | f | f |
| Heterotheca villosa Hairy False Goldenaster | f | |||
| Juncus bufonius Toad Rush | f | f | ||
| Juncus pelocarpus Brown-fruit Rush | f | f | f | f |
| Lobelia inflata Indian Tobacco | f | |||
| Lobelia siphilitica Blue Lobelia | f | |||
| Mirabilis albida Hairy Four O'clock | f | |||
| Oenothera biennis Common Evening Primrose | f | |||
| Oenothera parviflora Northern Evening Primrose | f | f | f | f |
| Oxalis dillenii Southern Wood Sorrel | f | f | f | f |
| Oxalis stricta Yellow Wood Sorrel | f | f | f | f |
| Physostegia virginiana Obedient Plant | f | |||
| Plantago rugelii Rugel's Plantain | f | f | f | f |
| Polygala verticillata Whorled Milkwort | f | |||
| Prenanthes racemosa Glaucous White Lettuce | f | f | ||
| Prunella vulgaris Self-heal | f | |||
| Pseudognaphalium obtusifolium Sweet Everlasting | f | |||
| Rudbeckia hirta Black-eyed Susan | f | |||
| Rudbeckia subtomentosa Sweet Coneflower | f | f | f | f |
| Rudbeckia triloba Brown-eyed Susan | f | |||
| Silphium terebinthinaceum Prairie Dock | f | f | f | f |
| Solidago altissima Tall Goldenrod | f | f | f | f |
| Solidago canadensis Canada Goldenrod | f | |||
| Solidago flexicaulis Zigzag Goldenrod | f | |||
| Solidago gigantea Giant Goldenrod | f | f | f | f |
| Solidago hispida Hairy Goldenrod | f | f | f | f |
| Solidago mollis Velvety Goldenrod | f | |||
| Solidago nemoralis Gray Goldenrod | f | |||
| Solidago speciosa Showy Goldenrod | f | |||
| Strophostyles helvola Wild Bean | f | |||
| Symphyotrichum boreale Northern Bog Aster | f | |||
| Symphyotrichum ciliolatum Lindley's Aster | f | |||
| Symphyotrichum cordifolium Blue Wood Aster | f | f | ||
| Symphyotrichum drummondii Drummond's Aster | f | f | f | f |
| Symphyotrichum ericoides Heath Aster | f | |||
| Symphyotrichum laeve Smooth Blue Aster | f | |||
| Symphyotrichum lanceolatum Panicled Aster | f | f | f | f |
| Symphyotrichum lateriflorum Calico Aster | f | f | f | f |
| Symphyotrichum novae-angliae New England Aster | f | |||
| Symphyotrichum oblongifolium Aromatic Aster | f | f | f | f |
| Symphyotrichum ontarionis Ontario Aster | f | f | f | f |
| Symphyotrichum oolentangiense Sky-blue Aster | f | |||
| Symphyotrichum pilosum Awl Aster | f | f | f | f |
| Symphyotrichum prenanthoides Crooked Aster | f | f | f | f |
| Symphyotrichum puniceum Purple-stemmed Aster | f | |||
| Symphyotrichum sericeum Silky Aster | f | |||
| Symphyotrichum shortii Short's Aster | f | f | f | f |
| Symphyotrichum urophyllum Arrowleaf Aster | f | f | ||
| Verbena bracteata Big-bract Verbena | f | |||
| Veronica americana American Speedwell | f | |||
| Veronica peregrina Purslane Speedwell | f |