Wildflowers Blooming in Indiana in August (60 Species)

60 wildflowers were recorded blooming in Indiana in August in our iNaturalist sample; 24 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 August

Great Blue Lobelia188 obs.

Common Jewelweed156 obs.

Cardinal Flower117 obs.

Swamp Rose Mallow116 obs.

American hog-peanut110 obs.

brown-eyed Susan86 obs.

Allegheny monkeyflower79 obs.

Wingstem79 obs.

Swamp Milkweed78 obs.

False Sunflower78 obs.

Cutleaf Coneflower73 obs.

Common Boneset72 obs.

All wildflowers blooming in Indiana in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Great Blue Lobelia	Lobelia siphilitica	bellflower family	188	Sep (rising)
2	Common Jewelweed	Impatiens capensis	balsam family	156	Sep (rising)
3	Cardinal Flower	Lobelia cardinalis	bellflower family	117	Aug (peak)
4	Swamp Rose Mallow	Hibiscus moscheutos	Mallow and Hibiscus Family	116	Aug (peak)
5	American hog-peanut	Amphicarpaea bracteata	Legumes	110	Aug (peak)
6	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	86	Aug (peak)
7	Allegheny monkeyflower	Mimulus ringens	lopseed family	79	Jul (past peak)
8	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	79	Sep (rising)
9	Swamp Milkweed	Asclepias incarnata	Dogbane Family	78	Aug (peak)
10	False Sunflower	Heliopsis helianthoides	Sunflowers, Daisies, Asters, and Allies	78	Jul (past peak)
11	Cutleaf Coneflower	Rudbeckia laciniata	Sunflowers, Daisies, Asters, and Allies	73	Aug (peak)
12	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	72	Aug (peak)
13	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	69	Sep (rising)
14	Tall Bellflower	Campanulastrum americanum	bellflower family	69	Jul (past peak)
15	Pale Jewelweed	Impatiens pallida	balsam family	56	Sep (rising)
16	Sharpwing Monkeyflower	Mimulus alatus	lopseed family	52	Jul (past peak)
17	Wild Carrot	Daucus carota	carrot family	51	Jul (past peak)
18	Blue Mistflower	Conoclinium coelestinum	Sunflowers, Daisies, Asters, and Allies	51	Sep (rising)
19	Halberd-leaf Rosemallow	Hibiscus laevis	Mallow and Hibiscus Family	51	Aug (peak)
20	Lanceleaf Frogfruit	Phyla lanceolata	Verbena Family	50	Aug (peak)
21	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	48	Jul (past peak)
22	Asiatic dayflower	Commelina communis	Spiderworts	45	Sep (rising)
23	American groundnut	Apios americana	Legumes	45	Aug (peak)
24	Indian tobacco	Lobelia inflata	bellflower family	44	Jul (past peak)
25	Smooth Hedgenettle	Stachys tenuifolia	Mint Family	40	Jul (past peak)
26	American pokeweed	Phytolacca americana	Pokeweed Family	38	Aug (peak)
27	Cup Plant	Silphium perfoliatum	Sunflowers, Daisies, Asters, and Allies	37	Aug (peak)
28	Citronella Horse Balm	Collinsonia canadensis	Mint Family	35	Aug (peak)
29	Fall Phlox	Phlox paniculata	phlox family	34	Oct (rising)
30	Blue Vervain	Verbena hastata	Verbena Family	32	Jul (past peak)
31	Purple Loosestrife	Lythrum salicaria	lythrum family	31	Aug (peak)
32	Partridge Pea	Chamaecrista fasciculata	Legumes	31	Aug (peak)
33	American trumpet vine	Campsis radicans	bignonia family	29	Jul (past peak)
34	Obedient Plant	Physostegia virginiana	Mint Family	29	Aug (peak)
35	Flowering Spurge	Euphorbia corollata	Spurge Family	28	Aug (peak)
36	Common Selfheal	Prunella vulgaris	Mint Family	27	Jul (past peak)
37	Naked-Flowered Tick-Trefoil	Hylodesmum nudiflorum	Legumes	26	Jul (past peak)
38	Purple Passionflower	Passiflora incarnata	Passionfruit Family	24	Aug (peak)
39	Buttonbush	Cephalanthus occidentalis	madder family	24	Jul (past peak)
40	Giant Ragweed	Ambrosia trifida	Sunflowers, Daisies, Asters, and Allies	24	Aug (peak)
41	Rosepink	Sabatia angularis	gentian family	23	Jul (past peak)
42	Spotted Horsemint	Monarda punctata	Mint Family	23	Aug (peak)
43	Field Thistle	Cirsium discolor	Sunflowers, Daisies, Asters, and Allies	22	Aug (peak)
44	Common Evening-Primrose	Oenothera biennis	evening primrose family	21	Aug (peak)
45	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	21	Jun (past peak)
46	Wild Potato Vine	Ipomoea pandurata	bindweed family	21	Jul (past peak)
47	American jumpseed	Persicaria virginiana	knotweed family	19	Aug (peak)
48	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	18	Jun (past peak)
49	Carolina horsenettle	Solanum carolinense	nightshade family	18	Jun (past peak)
50	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	18	Aug (peak)