Wildflowers Blooming in Oklahoma in October (60 Species)

60 wildflowers were recorded blooming in Oklahoma in October in our iNaturalist sample; 8 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

Top wildflowers in October

Cowpen Daisy144 obs.

Common Sunflower69 obs.

Cardinal Flower53 obs.

Asiatic dayflower22 obs.

Bitterweed14 obs.

Blue Mistflower13 obs.

Whitemouth Dayflower12 obs.

Plains Coreopsis12 obs.

Green Antelopehorns11 obs.

White Morning-glory10 obs.

Tall Goldenrod9 obs.

black-eyed Susan8 obs.

All wildflowers blooming in Oklahoma in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	Cowpen Daisy	Verbesina encelioides	Sunflowers, Daisies, Asters, and Allies	144	Oct (peak)
2	Common Sunflower	Helianthus annuus	Sunflowers, Daisies, Asters, and Allies	69	Sep (past peak)
3	Cardinal Flower	Lobelia cardinalis	bellflower family	53	Sep (past peak)
4	Asiatic dayflower	Commelina communis	Spiderworts	22	Sep (past peak)
5	Bitterweed	Helenium amarum	Sunflowers, Daisies, Asters, and Allies	14	Oct (peak)
6	Blue Mistflower	Conoclinium coelestinum	Sunflowers, Daisies, Asters, and Allies	13	Sep (past peak)
7	Whitemouth Dayflower	Commelina erecta	Spiderworts	12	Jun (past peak)
8	Plains Coreopsis	Coreopsis tinctoria	Sunflowers, Daisies, Asters, and Allies	12	Jun (past peak)
9	Green Antelopehorns	Asclepias viridis	Dogbane Family	11	May (past peak)
10	White Morning-glory	Ipomoea lacunosa	bindweed family	10	Sep (past peak)
11	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	9	Oct (peak)
12	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	8	Jun (past peak)
13	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	7	Sep (past peak)
14	Purple Coneflower	Echinacea purpurea	Sunflowers, Daisies, Asters, and Allies	6	Jun (past peak)
15	Partridge Pea	Chamaecrista fasciculata	Legumes	6	Aug (past peak)
16	Low Smartweed	Persicaria longiseta	knotweed family	6	Oct (peak)
17	Giant Ragweed	Ambrosia trifida	Sunflowers, Daisies, Asters, and Allies	5	Sep (past peak)
18	Autumn Clematis	Clematis terniflora	buttercup family	5	Sep (past peak)
19	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	5	Sep (past peak)
20	Downy Lobelia	Lobelia puberula	bellflower family	5	Oct (peak)
21	Crowpoison	Nothoscordum bivalve	amaryllis, onions, and allies	5	Mar (past peak)
22	Purple Passionflower	Passiflora incarnata	Passionfruit Family	4	Jul (past peak)
23	Frostweed	Verbesina virginica	Sunflowers, Daisies, Asters, and Allies	4	Sep (past peak)
24	Sharpwing Monkeyflower	Mimulus alatus	lopseed family	4	Sep (past peak)
25	Purple Groundcherry	Quincula lobata	nightshade family	3	May (past peak)
26	Buttonbush	Cephalanthus occidentalis	madder family	3	Jul (past peak)
27	Antelopehorn Milkweed	Asclepias asperula	Dogbane Family	3	May (past peak)
28	Japanese honeysuckle	Lonicera japonica	honeysuckle family	3	May (past peak)
29	Flowering Spurge	Euphorbia corollata	Spurge Family	3	Sep (past peak)
30	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	3	Sep (past peak)
31	Santa Maria feverfew	Parthenium hysterophorus	Sunflowers, Daisies, Asters, and Allies	3	Sep (past peak)
32	Firewheel	Gaillardia pulchella	Sunflowers, Daisies, Asters, and Allies	2	May (past peak)
33	Common Morning-Glory	Ipomoea purpurea	bindweed family	2	Aug (past peak)
34	Sacred Datura	Datura wrightii	nightshade family	2	Sep (past peak)
35	Buffalo-Bur	Solanum rostratum	nightshade family	2	Aug (past peak)
36	American germander	Teucrium canadense	Mint Family	2	Jun (past peak)
37	Upright Prairie Coneflower	Ratibida columnifera	Sunflowers, Daisies, Asters, and Allies	2	Jun (past peak)
38	Shining Sumac	Rhus copallinum	Cashew Family	2	Jul (past peak)
39	Sweet Everlasting	Pseudognaphalium obtusifolium	Sunflowers, Daisies, Asters, and Allies	2	Oct (peak)
40	Trailing Fuzzy-Bean	Strophostyles helvola	Legumes	2	Aug (past peak)
41	Field madder	Sherardia arvensis	madder family	1	Apr (past peak)
42	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	1	Jun (past peak)
43	Pinkladies	Oenothera speciosa	evening primrose family	1	Apr (past peak)
44	Yellow Passionflower	Passiflora lutea	Passionfruit Family	1	Jul (past peak)
45	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	1	Oct (peak)
46	Field Bindweed	Convolvulus arvensis	bindweed family	1	May (past peak)
47	Common Groundsel	Senecio vulgaris	Sunflowers, Daisies, Asters, and Allies	1	Mar (past peak)
48	Roughleaf Dogwood	Cornus drummondii	Dogwood family	1	May (past peak)
49	Golden Currant	Ribes aureum	Gooseberry Family	1	Apr (past peak)
50	Bladder Campion	Silene vulgaris	pink family	1	Oct (peak)