Wildflowers Blooming in Iowa in October (60 Species)

60 wildflowers were recorded blooming in Iowa in October in our iNaturalist sample; 3 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

Top wildflowers in October

New England aster26 obs.

Fall Phlox8 obs.

Common Toadflax7 obs.

Flower-Of-An-Hour7 obs.

Partridge Pea7 obs.

Chicory6 obs.

Wild Carrot6 obs.

Asiatic dayflower5 obs.

Grey-Headed Coneflower5 obs.

brown-eyed Susan5 obs.

Frost Aster5 obs.

Creeping Bellflower4 obs.

All wildflowers blooming in Iowa in October

#	Species	Scientific name	Family	Obs.	Peak in state
1	New England aster	Symphyotrichum novae-angliae	Sunflowers, Daisies, Asters, and Allies	26	Sep (past peak)
2	Fall Phlox	Phlox paniculata	phlox family	8	Oct (peak)
3	Common Toadflax	Linaria vulgaris	Plantain Family	7	Oct (peak)
4	Flower-Of-An-Hour	Hibiscus trionum	Mallow and Hibiscus Family	7	Aug (past peak)
5	Partridge Pea	Chamaecrista fasciculata	Legumes	7	Aug (past peak)
6	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	6	Jul (past peak)
7	Wild Carrot	Daucus carota	carrot family	6	Jul (past peak)
8	Asiatic dayflower	Commelina communis	Spiderworts	5	Sep (past peak)
9	Grey-Headed Coneflower	Ratibida pinnata	Sunflowers, Daisies, Asters, and Allies	5	Jul (past peak)
10	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	5	Aug (past peak)
11	Frost Aster	Symphyotrichum pilosum	Sunflowers, Daisies, Asters, and Allies	5	Sep (past peak)
12	Creeping Bellflower	Campanula rapunculoides	bellflower family	4	Jun (past peak)
13	False Sunflower	Heliopsis helianthoides	Sunflowers, Daisies, Asters, and Allies	4	Jul (past peak)
14	Low Smartweed	Persicaria longiseta	knotweed family	4	Aug (past peak)
15	Tall Bellflower	Campanulastrum americanum	bellflower family	4	Jul (past peak)
16	Purple Coneflower	Echinacea purpurea	Sunflowers, Daisies, Asters, and Allies	3	Jul (past peak)
17	Common Soapwort	Saponaria officinalis	pink family	3	Jul (past peak)
18	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	3	Jul (past peak)
19	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	3	Sep (past peak)
20	Broad-Leaved Goldenrod	Solidago flexicaulis	Sunflowers, Daisies, Asters, and Allies	3	Sep (past peak)
21	Great Blue Lobelia	Lobelia siphilitica	bellflower family	3	Sep (past peak)
22	Firewheel	Gaillardia pulchella	Sunflowers, Daisies, Asters, and Allies	2	Jul (past peak)
23	Red Clover	Trifolium pratense	Legumes	2	Jul (past peak)
24	Common Selfheal	Prunella vulgaris	Mint Family	2	Jul (past peak)
25	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	2	Aug (past peak)
26	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	2	Aug (past peak)
27	Giant Ragweed	Ambrosia trifida	Sunflowers, Daisies, Asters, and Allies	2	Aug (past peak)
28	White Clover	Trifolium repens	Legumes	2	Jun (past peak)
29	Marsh Marigold	Caltha palustris	buttercup family	2	Apr (past peak)
30	Blue Vervain	Verbena hastata	Verbena Family	2	Jul (past peak)
31	Nodding Beggarticks	Bidens cernua	Sunflowers, Daisies, Asters, and Allies	2	Sep (past peak)
32	Pinkweed	Persicaria pensylvanica	knotweed family	2	Aug (past peak)
33	White Campion	Silene latifolia	pink family	2	Jun (past peak)
34	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	2	Sep (past peak)
35	Obedient Plant	Physostegia virginiana	Mint Family	2	Aug (past peak)
36	Eastern Black Nightshade	Solanum emulans	nightshade family	2	Aug (past peak)
37	Common Dandelion	Taraxacum officinale	Sunflowers, Daisies, Asters, and Allies	1	Apr (past peak)
38	Common Milkweed	Asclepias syriaca	Dogbane Family	1	Jun (past peak)
39	American pokeweed	Phytolacca americana	Pokeweed Family	1	Jul (past peak)
40	Carolina horsenettle	Solanum carolinense	nightshade family	1	Jul (past peak)
41	Common Groundsel	Senecio vulgaris	Sunflowers, Daisies, Asters, and Allies	1	Mar (past peak)
42	Lesser Periwinkle	Vinca minor	Dogbane Family	1	Apr (past peak)
43	Common Motherwort	Leonurus cardiaca	Mint Family	1	Jun (past peak)
44	Common Sunflower	Helianthus annuus	Sunflowers, Daisies, Asters, and Allies	1	Oct (peak)
45	White Sweetclover	Melilotus albus	Legumes	1	Jun (past peak)
46	Common Evening-Primrose	Oenothera biennis	evening primrose family	1	Jul (past peak)
47	Indian tobacco	Lobelia inflata	bellflower family	1	Aug (past peak)
48	Buffalo-Bur	Solanum rostratum	nightshade family	1	Aug (past peak)
49	Virgin's-Bower	Clematis virginiana	buttercup family	1	Aug (past peak)
50	Purple Prairie Clover	Dalea purpurea	Legumes	1	Jul (past peak)