Wildflowers Blooming in Michigan in September (60 Species)

60 wildflowers were recorded blooming in Michigan in September in our iNaturalist sample; 13 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Mar Apr May Jun Jul Aug Sep Oct Nov

Top wildflowers in September

Large-Leaved Aster194 obs.

fen grass of Parnassus163 obs.

New England aster162 obs.

Common Jewelweed160 obs.

Bluestem Goldenrod125 obs.

Purple Loosestrife90 obs.

White Snakeroot76 obs.

Chicory68 obs.

Nodding Beggarticks68 obs.

Wild Carrot68 obs.

Great Blue Lobelia58 obs.

White Turtlehead51 obs.

All wildflowers blooming in Michigan in September

#	Species	Scientific name	Family	Obs.	Peak in state
1	Large-Leaved Aster	Eurybia macrophylla	Sunflowers, Daisies, Asters, and Allies	194	Aug (past peak)
2	fen grass of Parnassus	Parnassia glauca	staff-vine family	163	Aug (past peak)
3	New England aster	Symphyotrichum novae-angliae	Sunflowers, Daisies, Asters, and Allies	162	Sep (peak)
4	Common Jewelweed	Impatiens capensis	balsam family	160	Aug (past peak)
5	Bluestem Goldenrod	Solidago caesia	Sunflowers, Daisies, Asters, and Allies	125	Sep (peak)
6	Purple Loosestrife	Lythrum salicaria	lythrum family	90	Aug (past peak)
7	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	76	Sep (peak)
8	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	68	Jul (past peak)
9	Nodding Beggarticks	Bidens cernua	Sunflowers, Daisies, Asters, and Allies	68	Sep (peak)
10	Wild Carrot	Daucus carota	carrot family	68	Jul (past peak)
11	Great Blue Lobelia	Lobelia siphilitica	bellflower family	58	Aug (past peak)
12	White Turtlehead	Chelone glabra	Plantain Family	51	Sep (peak)
13	Common Toadflax	Linaria vulgaris	Plantain Family	48	Sep (peak)
14	Flat-Top White Aster	Doellingeria umbellata	Sunflowers, Daisies, Asters, and Allies	45	Aug (past peak)
15	Cardinal Flower	Lobelia cardinalis	bellflower family	41	Aug (past peak)
16	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	40	Sep (peak)
17	Pearly Everlasting	Anaphalis margaritacea	Sunflowers, Daisies, Asters, and Allies	39	Aug (past peak)
18	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	32	Jul (past peak)
19	Red Clover	Trifolium pratense	Legumes	31	Jun (past peak)
20	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	31	Aug (past peak)
21	Blue Vervain	Verbena hastata	Verbena Family	30	Aug (past peak)
22	Swamp Aster	Symphyotrichum puniceum	Sunflowers, Daisies, Asters, and Allies	30	Sep (peak)
23	White Clover	Trifolium repens	Legumes	29	Jun (past peak)
24	Calico Aster	Symphyotrichum lateriflorum	Sunflowers, Daisies, Asters, and Allies	28	Sep (peak)
25	American pokeweed	Phytolacca americana	Pokeweed Family	27	Aug (past peak)
26	Ghost Pipe	Monotropa uniflora	heath family	26	Aug (past peak)
27	Broad-Leaved Goldenrod	Solidago flexicaulis	Sunflowers, Daisies, Asters, and Allies	25	Sep (peak)
28	Cutleaf Coneflower	Rudbeckia laciniata	Sunflowers, Daisies, Asters, and Allies	24	Aug (past peak)
29	Flat-Topped Goldenrod	Euthamia graminifolia	Sunflowers, Daisies, Asters, and Allies	24	Aug (past peak)
30	Common Soapwort	Saponaria officinalis	pink family	23	Jul (past peak)
31	spotted Joe-Pye weed	Eutrochium maculatum	Sunflowers, Daisies, Asters, and Allies	23	Aug (past peak)
32	Asiatic dayflower	Commelina communis	Spiderworts	21	Jul (past peak)
33	Spotted Knapweed	Centaurea stoebe	Sunflowers, Daisies, Asters, and Allies	21	Jul (past peak)
34	Pinkweed	Persicaria pensylvanica	knotweed family	21	Sep (peak)
35	American hog-peanut	Amphicarpaea bracteata	Legumes	21	Aug (past peak)
36	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	21	Aug (past peak)
37	Frost Aster	Symphyotrichum pilosum	Sunflowers, Daisies, Asters, and Allies	21	Sep (peak)
38	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	20	Aug (past peak)
39	Common Selfheal	Prunella vulgaris	Mint Family	19	Jul (past peak)
40	Eastern Black Nightshade	Solanum emulans	nightshade family	19	Aug (past peak)
41	Common Dandelion	Taraxacum officinale	Sunflowers, Daisies, Asters, and Allies	18	Apr (past peak)
42	Creeping Thistle	Cirsium arvense	Sunflowers, Daisies, Asters, and Allies	18	Jul (past peak)
43	Bittersweet Nightshade	Solanum dulcamara	nightshade family	17	Jun (past peak)
44	Prickly Cucumber	Echinocystis lobata	gourd family	16	Aug (past peak)
45	Common Yarrow	Achillea millefolium	Sunflowers, Daisies, Asters, and Allies	16	Jun (past peak)
46	Common Evening-Primrose	Oenothera biennis	evening primrose family	16	Aug (past peak)
47	Flower-Of-An-Hour	Hibiscus trionum	Mallow and Hibiscus Family	15	Sep (peak)
48	Bird's-Foot Trefoil	Lotus corniculatus	Legumes	14	Jun (past peak)
49	Purple Coneflower	Echinacea purpurea	Sunflowers, Daisies, Asters, and Allies	14	Jul (past peak)
50	Common Tansy	Tanacetum vulgare	Sunflowers, Daisies, Asters, and Allies	14	Aug (past peak)