Wildflowers Blooming in Missouri in August (60 Species)

60 wildflowers were recorded blooming in Missouri in August in our iNaturalist sample; 22 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

American hog-peanut107 obs.

brown-eyed Susan81 obs.

Smooth Hedgenettle68 obs.

Purple Passionflower67 obs.

Asiatic dayflower57 obs.

Sharpwing Monkeyflower53 obs.

Common Hibiscus51 obs.

Tall Bellflower44 obs.

American groundnut37 obs.

Partridge Pea34 obs.

Common Morning-Glory29 obs.

Hairy Ruellia27 obs.

All wildflowers blooming in Missouri in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	American hog-peanut	Amphicarpaea bracteata	Legumes	107	Aug (peak)
2	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	81	Aug (peak)
3	Smooth Hedgenettle	Stachys tenuifolia	Mint Family	68	Jul (past peak)
4	Purple Passionflower	Passiflora incarnata	Passionfruit Family	67	Aug (peak)
5	Asiatic dayflower	Commelina communis	Spiderworts	57	Sep (rising)
6	Sharpwing Monkeyflower	Mimulus alatus	lopseed family	53	Jul (past peak)
7	Common Hibiscus	Hibiscus syriacus	Mallow and Hibiscus Family	51	Aug (peak)
8	Tall Bellflower	Campanulastrum americanum	bellflower family	44	Jul (past peak)
9	American groundnut	Apios americana	Legumes	37	Aug (peak)
10	Partridge Pea	Chamaecrista fasciculata	Legumes	34	Aug (peak)
11	Common Morning-Glory	Ipomoea purpurea	bindweed family	29	Sep (rising)
12	Hairy Ruellia	Ruellia humilis	Acanthus Family	27	Jul (past peak)
13	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	26	Sep (rising)
14	Cardinal Flower	Lobelia cardinalis	bellflower family	25	Sep (rising)
15	Leafy Elephant's-Foot	Elephantopus carolinianus	Sunflowers, Daisies, Asters, and Allies	25	Aug (peak)
16	Common Jewelweed	Impatiens capensis	balsam family	24	Sep (rising)
17	Wild Potato Vine	Ipomoea pandurata	bindweed family	24	Aug (peak)
18	American trumpet vine	Campsis radicans	bignonia family	22	Jun (past peak)
19	Swamp Milkweed	Asclepias incarnata	Dogbane Family	20	Aug (peak)
20	Yellow Passionflower	Passiflora lutea	Passionfruit Family	19	Jul (past peak)
21	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	19	Jul (past peak)
22	Blue Vervain	Verbena hastata	Verbena Family	19	Aug (peak)
23	Blue Mistflower	Conoclinium coelestinum	Sunflowers, Daisies, Asters, and Allies	19	Sep (rising)
24	Buttonbush	Cephalanthus occidentalis	madder family	18	Jul (past peak)
25	Pickerelweed	Pontederia cordata	Pickerelweeds	17	Jun (past peak)
26	Whitemouth Dayflower	Commelina erecta	Spiderworts	17	Jul (past peak)
27	Indian tobacco	Lobelia inflata	bellflower family	17	Aug (peak)
28	Cutleaf Coneflower	Rudbeckia laciniata	Sunflowers, Daisies, Asters, and Allies	17	Aug (peak)
29	Lanceleaf Frogfruit	Phyla lanceolata	Verbena Family	16	Aug (peak)
30	Frostweed	Verbesina virginica	Sunflowers, Daisies, Asters, and Allies	15	Sep (rising)
31	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	14	Jun (past peak)
32	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	13	Jun (past peak)
33	Cup Plant	Silphium perfoliatum	Sunflowers, Daisies, Asters, and Allies	13	Aug (peak)
34	Field Bindweed	Convolvulus arvensis	bindweed family	12	Jun (past peak)
35	Flowering Spurge	Euphorbia corollata	Spurge Family	12	Aug (peak)
36	American jumpseed	Persicaria virginiana	knotweed family	12	Aug (peak)
37	Halberd-leaf Rosemallow	Hibiscus laevis	Mallow and Hibiscus Family	12	Aug (peak)
38	Carolina horsenettle	Solanum carolinense	nightshade family	11	Jun (past peak)
39	Giant Ragweed	Ambrosia trifida	Sunflowers, Daisies, Asters, and Allies	11	Aug (peak)
40	Great Blue Lobelia	Lobelia siphilitica	bellflower family	11	Sep (rising)
41	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	10	Sep (rising)
42	American pokeweed	Phytolacca americana	Pokeweed Family	9	Jul (past peak)
43	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	9	Sep (rising)
44	Bitterweed	Helenium amarum	Sunflowers, Daisies, Asters, and Allies	9	Aug (peak)
45	Obedient Plant	Physostegia virginiana	Mint Family	9	Aug (peak)
46	Fall Phlox	Phlox paniculata	phlox family	9	Oct (rising)
47	Autumn Clematis	Clematis terniflora	buttercup family	8	Aug (peak)
48	Amur honeysuckle	Lonicera maackii	honeysuckle family	8	May (past peak)
49	American lotus	Nelumbo lutea	lotus family	8	Aug (peak)
50	White Morning-glory	Ipomoea lacunosa	bindweed family	8	Sep (rising)