Wildflowers Blooming in Ohio in October (60 Species)

60 wildflowers were recorded blooming in Ohio in October in our iNaturalist sample; 3 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Feb Mar Apr May Jun Jul Aug Sep Oct Nov

Top wildflowers in October

brown-eyed Susan207 obs.

black-eyed Susan198 obs.

New England aster127 obs.

White Snakeroot87 obs.

Fall Phlox73 obs.

Bluestem Goldenrod56 obs.

Chicory49 obs.

Low Smartweed44 obs.

American Witch-Hazel39 obs.

Blue Mistflower39 obs.

Red Clover38 obs.

Great Blue Lobelia38 obs.

All wildflowers blooming in Ohio in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	207	Sep (past peak)
2	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	198	Jul (past peak)
3	New England aster	Symphyotrichum novae-angliae	Sunflowers, Daisies, Asters, and Allies	127	Sep (past peak)
4	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	87	Sep (past peak)
5	Fall Phlox	Phlox paniculata	phlox family	73	Sep (past peak)
6	Bluestem Goldenrod	Solidago caesia	Sunflowers, Daisies, Asters, and Allies	56	Sep (past peak)
7	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	49	Sep (past peak)
8	Low Smartweed	Persicaria longiseta	knotweed family	44	Sep (past peak)
9	American Witch-Hazel	Hamamelis virginiana	witch-hazel family	39	Oct (peak)
10	Blue Mistflower	Conoclinium coelestinum	Sunflowers, Daisies, Asters, and Allies	39	Sep (past peak)
11	Red Clover	Trifolium pratense	Legumes	38	Sep (past peak)
12	Great Blue Lobelia	Lobelia siphilitica	bellflower family	38	Sep (past peak)
13	Asiatic dayflower	Commelina communis	Spiderworts	33	Sep (past peak)
14	Wild Carrot	Daucus carota	carrot family	31	Jul (past peak)
15	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	31	Sep (past peak)
16	Calico Aster	Symphyotrichum lateriflorum	Sunflowers, Daisies, Asters, and Allies	30	Sep (past peak)
17	Field Thistle	Cirsium discolor	Sunflowers, Daisies, Asters, and Allies	27	Sep (past peak)
18	White Clover	Trifolium repens	Legumes	26	Sep (past peak)
19	Common Sneezeweed	Helenium autumnale	Sunflowers, Daisies, Asters, and Allies	25	Sep (past peak)
20	Flower-Of-An-Hour	Hibiscus trionum	Mallow and Hibiscus Family	25	Sep (past peak)
21	Common Blue Wood Aster	Symphyotrichum cordifolium	Sunflowers, Daisies, Asters, and Allies	25	Oct (peak)
22	Common Morning-Glory	Ipomoea purpurea	bindweed family	23	Oct (peak)
23	Common Evening-Primrose	Oenothera biennis	evening primrose family	22	Aug (past peak)
24	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	21	Aug (past peak)
25	Plains Coreopsis	Coreopsis tinctoria	Sunflowers, Daisies, Asters, and Allies	21	Jul (past peak)
26	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	21	Sep (past peak)
27	Partridge Pea	Chamaecrista fasciculata	Legumes	19	Aug (past peak)
28	Common Jewelweed	Impatiens capensis	balsam family	18	Sep (past peak)
29	Broad-Leaved Goldenrod	Solidago flexicaulis	Sunflowers, Daisies, Asters, and Allies	18	Sep (past peak)
30	Sweet Everlasting	Pseudognaphalium obtusifolium	Sunflowers, Daisies, Asters, and Allies	18	Sep (past peak)
31	Common Selfheal	Prunella vulgaris	Mint Family	17	Jul (past peak)
32	Swamp Rose Mallow	Hibiscus moscheutos	Mallow and Hibiscus Family	16	Aug (past peak)
33	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	15	Sep (past peak)
34	Japanese honeysuckle	Lonicera japonica	honeysuckle family	15	Jun (past peak)
35	Creeping Thistle	Cirsium arvense	Sunflowers, Daisies, Asters, and Allies	13	Jun (past peak)
36	Tall Bellflower	Campanulastrum americanum	bellflower family	13	Jul (past peak)
37	Common Dandelion	Taraxacum officinale	Sunflowers, Daisies, Asters, and Allies	11	Apr (past peak)
38	Grey-Headed Coneflower	Ratibida pinnata	Sunflowers, Daisies, Asters, and Allies	11	Jul (past peak)
39	Frost Aster	Symphyotrichum pilosum	Sunflowers, Daisies, Asters, and Allies	11	Sep (past peak)
40	Pale Jewelweed	Impatiens pallida	balsam family	10	Sep (past peak)
41	American pokeweed	Phytolacca americana	Pokeweed Family	10	Jul (past peak)
42	Common Toadflax	Linaria vulgaris	Plantain Family	10	Aug (past peak)
43	Allegheny monkeyflower	Mimulus ringens	lopseed family	10	Jul (past peak)
44	Obedient Plant	Physostegia virginiana	Mint Family	9	Aug (past peak)
45	Jimsonweed	Datura stramonium	nightshade family	8	Aug (past peak)
46	Pickerelweed	Pontederia cordata	Pickerelweeds	7	Jul (past peak)
47	Wild Teasel	Dipsacus fullonum	honeysuckle family	7	Jul (past peak)
48	Broad-Leaved Sweet Pea	Lathyrus latifolius	Legumes	7	Jul (past peak)
49	Indian tobacco	Lobelia inflata	bellflower family	7	Aug (past peak)
50	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	7	Aug (past peak)