Wildflowers Blooming in Michigan in August (60 Species)

60 wildflowers were recorded blooming in Michigan in August in our iNaturalist sample; 27 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 August

Large-Leaved Aster232 obs.

fen grass of Parnassus218 obs.

Common Jewelweed215 obs.

American hog-peanut165 obs.

Purple Loosestrife132 obs.

American groundnut122 obs.

Fireweed121 obs.

Pearly Everlasting93 obs.

Allegheny monkeyflower92 obs.

Cardinal Flower87 obs.

Ghost Pipe87 obs.

Wild Carrot87 obs.

All wildflowers blooming in Michigan in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Large-Leaved Aster	Eurybia macrophylla	Sunflowers, Daisies, Asters, and Allies	232	Aug (peak)
2	fen grass of Parnassus	Parnassia glauca	staff-vine family	218	Aug (peak)
3	Common Jewelweed	Impatiens capensis	balsam family	215	Aug (peak)
4	American hog-peanut	Amphicarpaea bracteata	Legumes	165	Aug (peak)
5	Purple Loosestrife	Lythrum salicaria	lythrum family	132	Aug (peak)
6	American groundnut	Apios americana	Legumes	122	Aug (peak)
7	Fireweed	Chamaenerion angustifolium	evening primrose family	121	Aug (peak)
8	Pearly Everlasting	Anaphalis margaritacea	Sunflowers, Daisies, Asters, and Allies	93	Aug (peak)
9	Allegheny monkeyflower	Mimulus ringens	lopseed family	92	Jul (past peak)
10	Cardinal Flower	Lobelia cardinalis	bellflower family	87	Aug (peak)
11	Ghost Pipe	Monotropa uniflora	heath family	87	Aug (peak)
12	Wild Carrot	Daucus carota	carrot family	87	Jul (past peak)
13	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	86	Jul (past peak)
14	Great Blue Lobelia	Lobelia siphilitica	bellflower family	77	Aug (peak)
15	Blue Vervain	Verbena hastata	Verbena Family	71	Aug (peak)
16	Swamp Rose Mallow	Hibiscus moscheutos	Mallow and Hibiscus Family	68	Aug (peak)
17	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	62	Aug (peak)
18	spotted Joe-Pye weed	Eutrochium maculatum	Sunflowers, Daisies, Asters, and Allies	61	Aug (peak)
19	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	60	Jul (past peak)
20	Swamp Milkweed	Asclepias incarnata	Dogbane Family	56	Jul (past peak)
21	Common Soapwort	Saponaria officinalis	pink family	54	Jul (past peak)
22	Spotted Knapweed	Centaurea stoebe	Sunflowers, Daisies, Asters, and Allies	54	Jul (past peak)
23	Cutleaf Coneflower	Rudbeckia laciniata	Sunflowers, Daisies, Asters, and Allies	49	Aug (peak)
24	Flat-Top White Aster	Doellingeria umbellata	Sunflowers, Daisies, Asters, and Allies	46	Aug (peak)
25	American white waterlily	Nymphaea odorata	Waterlily Family	44	Jul (past peak)
26	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	43	Aug (peak)
27	White Turtlehead	Chelone glabra	Plantain Family	41	Sep (rising)
28	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	40	Aug (peak)
29	Common Tansy	Tanacetum vulgare	Sunflowers, Daisies, Asters, and Allies	40	Aug (peak)
30	Wild Bergamot	Monarda fistulosa	Mint Family	40	Jul (past peak)
31	Common Toadflax	Linaria vulgaris	Plantain Family	39	Sep (rising)
32	White Meadowsweet	Spiraea alba	rose family	39	Aug (peak)
33	Common Selfheal	Prunella vulgaris	Mint Family	38	Jul (past peak)
34	Bird's-Foot Trefoil	Lotus corniculatus	Legumes	36	Jun (past peak)
35	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	36	Jul (past peak)
36	Prickly Cucumber	Echinocystis lobata	gourd family	35	Aug (peak)
37	Red Clover	Trifolium pratense	Legumes	35	Jun (past peak)
38	Pickerelweed	Pontederia cordata	Pickerelweeds	32	Jul (past peak)
39	American pokeweed	Phytolacca americana	Pokeweed Family	31	Aug (peak)
40	Broad-leaved helleborine	Epipactis helleborine	Orchids	31	Jul (past peak)
41	Bittersweet Nightshade	Solanum dulcamara	nightshade family	31	Jun (past peak)
42	Broadleaf Arrowhead	Sagittaria latifolia	Water-Plantain family	30	Aug (peak)
43	Purple Coneflower	Echinacea purpurea	Sunflowers, Daisies, Asters, and Allies	29	Jul (past peak)
44	White Sweetclover	Melilotus albus	Legumes	29	Jul (past peak)
45	Hoary Alyssum	Berteroa incana	mustard family	27	Jul (past peak)
46	Grey-Headed Coneflower	Ratibida pinnata	Sunflowers, Daisies, Asters, and Allies	27	Aug (peak)
47	Common Hibiscus	Hibiscus syriacus	Mallow and Hibiscus Family	26	Aug (peak)
48	Flat-Topped Goldenrod	Euthamia graminifolia	Sunflowers, Daisies, Asters, and Allies	26	Aug (peak)
49	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	25	Sep (rising)
50	Common Milkweed	Asclepias syriaca	Dogbane Family	24	Jul (past peak)