Wildflowers Blooming in Kentucky in September (60 Species)

60 wildflowers were recorded blooming in Kentucky in September in our iNaturalist sample; 23 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 September

White Snakeroot333 obs.

Blue Mistflower316 obs.

Great Blue Lobelia274 obs.

Common Jewelweed213 obs.

Frostweed126 obs.

Wingstem100 obs.

Cardinal Flower94 obs.

Purple Passionflower78 obs.

American hog-peanut73 obs.

New England aster73 obs.

Late Boneset68 obs.

Downy Lobelia60 obs.

All wildflowers blooming in Kentucky in September

#	Species	Scientific name	Family	Obs.	Peak in state
1	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	333	Sep (peak)
2	Blue Mistflower	Conoclinium coelestinum	Sunflowers, Daisies, Asters, and Allies	316	Sep (peak)
3	Great Blue Lobelia	Lobelia siphilitica	bellflower family	274	Sep (peak)
4	Common Jewelweed	Impatiens capensis	balsam family	213	Sep (peak)
5	Frostweed	Verbesina virginica	Sunflowers, Daisies, Asters, and Allies	126	Sep (peak)
6	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	100	Sep (peak)
7	Cardinal Flower	Lobelia cardinalis	bellflower family	94	Aug (past peak)
8	Purple Passionflower	Passiflora incarnata	Passionfruit Family	78	Aug (past peak)
9	American hog-peanut	Amphicarpaea bracteata	Legumes	73	Sep (peak)
10	New England aster	Symphyotrichum novae-angliae	Sunflowers, Daisies, Asters, and Allies	73	Sep (peak)
11	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	68	Sep (peak)
12	Downy Lobelia	Lobelia puberula	bellflower family	60	Sep (peak)
13	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	56	Jul (past peak)
14	Asiatic dayflower	Commelina communis	Spiderworts	56	Sep (peak)
15	Pale Jewelweed	Impatiens pallida	balsam family	54	Aug (past peak)
16	American burnweed	Erechtites hieraciifolius	Sunflowers, Daisies, Asters, and Allies	53	Sep (peak)
17	Leafy Elephant's-Foot	Elephantopus carolinianus	Sunflowers, Daisies, Asters, and Allies	51	Aug (past peak)
18	Common Sneezeweed	Helenium autumnale	Sunflowers, Daisies, Asters, and Allies	36	Sep (peak)
19	Buttonweed	Diodia virginiana	madder family	34	Jul (past peak)
20	False Daisy	Eclipta prostrata	Sunflowers, Daisies, Asters, and Allies	33	Sep (peak)
21	Flowering Spurge	Euphorbia corollata	Spurge Family	31	Aug (past peak)
22	Bluestem Goldenrod	Solidago caesia	Sunflowers, Daisies, Asters, and Allies	30	Oct (rising)
23	Carolina horsenettle	Solanum carolinense	nightshade family	28	Jun (past peak)
24	Red Clover	Trifolium pratense	Legumes	25	May (past peak)
25	Pinesap	Monotropa hypopitys	heath family	25	Sep (peak)
26	White Morning-glory	Ipomoea lacunosa	bindweed family	25	Sep (peak)
27	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	25	Aug (past peak)
28	Sweet Everlasting	Pseudognaphalium obtusifolium	Sunflowers, Daisies, Asters, and Allies	25	Sep (peak)
29	American jumpseed	Persicaria virginiana	knotweed family	25	Aug (past peak)
30	Nodding Beggarticks	Bidens cernua	Sunflowers, Daisies, Asters, and Allies	23	Sep (peak)
31	Citronella Horse Balm	Collinsonia canadensis	Mint Family	23	Sep (peak)
32	Wild Carrot	Daucus carota	carrot family	21	Jul (past peak)
33	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	21	Sep (peak)
34	Obedient Plant	Physostegia virginiana	Mint Family	21	Sep (peak)
35	Partridge Pea	Chamaecrista fasciculata	Legumes	21	Sep (peak)
36	Ghost Pipe	Monotropa uniflora	heath family	20	Jul (past peak)
37	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	20	Aug (past peak)
38	Broad-Leaved Goldenrod	Solidago flexicaulis	Sunflowers, Daisies, Asters, and Allies	20	Oct (rising)
39	Autumn Clematis	Clematis terniflora	buttercup family	19	Aug (past peak)
40	Common Selfheal	Prunella vulgaris	Mint Family	18	Jul (past peak)
41	Indian tobacco	Lobelia inflata	bellflower family	17	Jul (past peak)
42	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	16	Jun (past peak)
43	Horseweed	Erigeron canadensis	Sunflowers, Daisies, Asters, and Allies	16	Aug (past peak)
44	Fall Phlox	Phlox paniculata	phlox family	16	Oct (rising)
45	Sharpwing Monkeyflower	Mimulus alatus	lopseed family	16	Jul (past peak)
46	Common Morning-Glory	Ipomoea purpurea	bindweed family	15	Sep (peak)
47	Giant Ragweed	Ambrosia trifida	Sunflowers, Daisies, Asters, and Allies	14	Aug (past peak)
48	Jimsonweed	Datura stramonium	nightshade family	14	Aug (past peak)
49	Lanceleaf Frogfruit	Phyla lanceolata	Verbena Family	14	Jul (past peak)
50	American trumpet vine	Campsis radicans	bignonia family	13	Jun (past peak)