60 wildflowers were recorded blooming in West Virginia in September in our iNaturalist sample; 18 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in September
Wingstem

White Snakeroot

Common Jewelweed

Great Blue Lobelia

Blue Mistflower
Chicory

Pale Jewelweed
Cardinal Flower

Asiatic dayflower

American hog-peanut
Bluestem Goldenrod

Common Sneezeweed
All wildflowers blooming in West Virginia in September
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Wingstem | Verbesina alternifolia | Sunflowers, Daisies, Asters, and Allies | 93 | Sep (peak) |
| 2 | White Snakeroot | Ageratina altissima | Sunflowers, Daisies, Asters, and Allies | 79 | Sep (peak) |
| 3 | Common Jewelweed | Impatiens capensis | balsam family | 75 | Aug (past peak) |
| 4 | Great Blue Lobelia | Lobelia siphilitica | bellflower family | 68 | Sep (peak) |
| 5 | Blue Mistflower | Conoclinium coelestinum | Sunflowers, Daisies, Asters, and Allies | 44 | Sep (peak) |
| 6 | Chicory | Cichorium intybus | Sunflowers, Daisies, Asters, and Allies | 25 | Jul (past peak) |
| 7 | Pale Jewelweed | Impatiens pallida | balsam family | 24 | Aug (past peak) |
| 8 | Cardinal Flower | Lobelia cardinalis | bellflower family | 21 | Aug (past peak) |
| 9 | Asiatic dayflower | Commelina communis | Spiderworts | 20 | Aug (past peak) |
| 10 | American hog-peanut | Amphicarpaea bracteata | Legumes | 20 | Aug (past peak) |
| 11 | Bluestem Goldenrod | Solidago caesia | Sunflowers, Daisies, Asters, and Allies | 19 | Sep (peak) |
| 12 | Common Sneezeweed | Helenium autumnale | Sunflowers, Daisies, Asters, and Allies | 18 | Sep (peak) |
| 13 | White Turtlehead | Chelone glabra | Plantain Family | 15 | Aug (past peak) |
| 14 | Red Clover | Trifolium pratense | Legumes | 14 | Jun (past peak) |
| 15 | Wild Carrot | Daucus carota | carrot family | 13 | Jul (past peak) |
| 16 | Flat-Top White Aster | Doellingeria umbellata | Sunflowers, Daisies, Asters, and Allies | 13 | Aug (past peak) |
| 17 | Pinesap | Monotropa hypopitys | heath family | 12 | Sep (peak) |
| 18 | New England aster | Symphyotrichum novae-angliae | Sunflowers, Daisies, Asters, and Allies | 12 | Sep (peak) |
| 19 | Citronella Horse Balm | Collinsonia canadensis | Mint Family | 12 | Aug (past peak) |
| 20 | Silverrod | Solidago bicolor | Sunflowers, Daisies, Asters, and Allies | 12 | Sep (peak) |
| 21 | Tall Goldenrod | Solidago altissima | Sunflowers, Daisies, Asters, and Allies | 11 | Sep (peak) |
| 22 | Common Boneset | Eupatorium perfoliatum | Sunflowers, Daisies, Asters, and Allies | 11 | Aug (past peak) |
| 23 | Low Smartweed | Persicaria longiseta | knotweed family | 11 | Sep (peak) |
| 24 | Carolina horsenettle | Solanum carolinense | nightshade family | 9 | Jul (past peak) |
| 25 | Common Hibiscus | Hibiscus syriacus | Mallow and Hibiscus Family | 9 | Jul (past peak) |
| 26 | White Wood Aster | Eurybia divaricata | Sunflowers, Daisies, Asters, and Allies | 9 | Sep (peak) |
| 27 | Late Boneset | Eupatorium serotinum | Sunflowers, Daisies, Asters, and Allies | 8 | Sep (peak) |
| 28 | Oxeye Daisy | Leucanthemum vulgare | Sunflowers, Daisies, Asters, and Allies | 8 | Jun (past peak) |
| 29 | Panicled Hawkweed | Hieracium paniculatum | Sunflowers, Daisies, Asters, and Allies | 8 | Aug (past peak) |
| 30 | brown-eyed Susan | Rudbeckia triloba | Sunflowers, Daisies, Asters, and Allies | 8 | Aug (past peak) |
| 31 | Common Selfheal | Prunella vulgaris | Mint Family | 7 | Jul (past peak) |
| 32 | Pearly Everlasting | Anaphalis margaritacea | Sunflowers, Daisies, Asters, and Allies | 7 | Aug (past peak) |
| 33 | Cutleaf Coneflower | Rudbeckia laciniata | Sunflowers, Daisies, Asters, and Allies | 7 | Aug (past peak) |
| 34 | Common Wrinkle-Leaved Goldenrod | Solidago rugosa | Sunflowers, Daisies, Asters, and Allies | 7 | Sep (peak) |
| 35 | Common Blue Wood Aster | Symphyotrichum cordifolium | Sunflowers, Daisies, Asters, and Allies | 7 | Oct (rising) |
| 36 | Ghost Pipe | Monotropa uniflora | heath family | 6 | Jul (past peak) |
| 37 | Shaggy Soldier | Galinsoga quadriradiata | Sunflowers, Daisies, Asters, and Allies | 6 | Aug (past peak) |
| 38 | Indian tobacco | Lobelia inflata | bellflower family | 6 | Aug (past peak) |
| 39 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 6 | May (past peak) |
| 40 | Fall Phlox | Phlox paniculata | phlox family | 6 | Oct (rising) |
| 41 | Downy Lobelia | Lobelia puberula | bellflower family | 6 | Sep (peak) |
| 42 | Broad-Leaved Goldenrod | Solidago flexicaulis | Sunflowers, Daisies, Asters, and Allies | 6 | Sep (peak) |
| 43 | Calico Aster | Symphyotrichum lateriflorum | Sunflowers, Daisies, Asters, and Allies | 6 | Sep (peak) |
| 44 | Arrow-Leaved Tearthumb | Persicaria sagittata | knotweed family | 6 | Sep (peak) |
| 45 | Fireweed | Chamaenerion angustifolium | evening primrose family | 6 | Jul (past peak) |
| 46 | Common Yarrow | Achillea millefolium | Sunflowers, Daisies, Asters, and Allies | 5 | Jun (past peak) |
| 47 | White Clover | Trifolium repens | Legumes | 5 | Jun (past peak) |
| 48 | Moth Mullein | Verbascum blattaria | figwort family | 5 | Jun (past peak) |
| 49 | Purple Loosestrife | Lythrum salicaria | lythrum family | 5 | Jul (past peak) |
| 50 | Field Thistle | Cirsium discolor | Sunflowers, Daisies, Asters, and Allies | 5 | Aug (past peak) |