Wildflowers Blooming in New York in September (60 Species)

60 wildflowers were recorded blooming in New York in September in our iNaturalist sample; 17 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Top wildflowers in September

White Snakeroot734 obs.

Common Jewelweed547 obs.

New England aster432 obs.

Asiatic dayflower213 obs.

White Turtlehead212 obs.

Bluestem Goldenrod202 obs.

Chicory188 obs.

White Wood Aster188 obs.

brown-eyed Susan179 obs.

Purple Loosestrife170 obs.

Flat-Topped Goldenrod169 obs.

black-eyed Susan156 obs.

All wildflowers blooming in New York in September

#	Species	Scientific name	Family	Obs.	Peak in state
1	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	734	Oct (rising)
2	Common Jewelweed	Impatiens capensis	balsam family	547	Aug (past peak)
3	New England aster	Symphyotrichum novae-angliae	Sunflowers, Daisies, Asters, and Allies	432	Sep (peak)
4	Asiatic dayflower	Commelina communis	Spiderworts	213	Sep (peak)
5	White Turtlehead	Chelone glabra	Plantain Family	212	Sep (peak)
6	Bluestem Goldenrod	Solidago caesia	Sunflowers, Daisies, Asters, and Allies	202	Sep (peak)
7	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	188	Jul (past peak)
8	White Wood Aster	Eurybia divaricata	Sunflowers, Daisies, Asters, and Allies	188	Sep (peak)
9	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	179	Aug (past peak)
10	Purple Loosestrife	Lythrum salicaria	lythrum family	170	Aug (past peak)
11	Flat-Topped Goldenrod	Euthamia graminifolia	Sunflowers, Daisies, Asters, and Allies	169	Aug (past peak)
12	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	156	Jul (past peak)
13	Bird's-Foot Trefoil	Lotus corniculatus	Legumes	137	Jun (past peak)
14	Great Blue Lobelia	Lobelia siphilitica	bellflower family	134	Aug (past peak)
15	American hog-peanut	Amphicarpaea bracteata	Legumes	129	Aug (past peak)
16	American pokeweed	Phytolacca americana	Pokeweed Family	128	Jul (past peak)
17	Silverrod	Solidago bicolor	Sunflowers, Daisies, Asters, and Allies	123	Sep (peak)
18	Red Clover	Trifolium pratense	Legumes	121	Jun (past peak)
19	Common Toadflax	Linaria vulgaris	Plantain Family	120	Aug (past peak)
20	Broad-Leaved Goldenrod	Solidago flexicaulis	Sunflowers, Daisies, Asters, and Allies	118	Sep (peak)
21	Tall Goldenrod	Solidago altissima	Sunflowers, Daisies, Asters, and Allies	117	Sep (peak)
22	Jimsonweed	Datura stramonium	nightshade family	116	Aug (past peak)
23	Calico Aster	Symphyotrichum lateriflorum	Sunflowers, Daisies, Asters, and Allies	116	Sep (peak)
24	Wild Carrot	Daucus carota	carrot family	114	Jul (past peak)
25	Autumn Clematis	Clematis terniflora	buttercup family	109	Sep (peak)
26	Common Wrinkle-Leaved Goldenrod	Solidago rugosa	Sunflowers, Daisies, Asters, and Allies	108	Sep (peak)
27	Pale Jewelweed	Impatiens pallida	balsam family	103	Aug (past peak)
28	Japanese knotweed	Reynoutria japonica	knotweed family	93	Sep (peak)
29	Upright Yellow Woodsorrel	Oxalis stricta	Woodsorrel Family	89	Aug (past peak)
30	Herb Robert	Geranium robertianum	Geranium family	84	Jun (past peak)
31	Low Smartweed	Persicaria longiseta	knotweed family	76	Oct (rising)
32	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	74	Aug (past peak)
33	Northern Seaside Goldenrod	Solidago sempervirens	Sunflowers, Daisies, Asters, and Allies	73	Oct (rising)
34	Common Selfheal	Prunella vulgaris	Mint Family	72	Jul (past peak)
35	Common Hibiscus	Hibiscus syriacus	Mallow and Hibiscus Family	71	Aug (past peak)
36	Pearly Everlasting	Anaphalis margaritacea	Sunflowers, Daisies, Asters, and Allies	68	Aug (past peak)
37	Pinesap	Monotropa hypopitys	heath family	66	Sep (peak)
38	Broadleaf Arrowhead	Sagittaria latifolia	Water-Plantain family	63	Aug (past peak)
39	White Clover	Trifolium repens	Legumes	63	Jun (past peak)
40	Frost Aster	Symphyotrichum pilosum	Sunflowers, Daisies, Asters, and Allies	60	Oct (rising)
41	Whorled Wood Aster	Oclemena acuminata	Sunflowers, Daisies, Asters, and Allies	58	Sep (peak)
42	American burnweed	Erechtites hieraciifolius	Sunflowers, Daisies, Asters, and Allies	56	Sep (peak)
43	Cardinal Flower	Lobelia cardinalis	bellflower family	54	Aug (past peak)
44	Moth Mullein	Verbascum blattaria	figwort family	54	Jun (past peak)
45	Wingstem	Verbesina alternifolia	Sunflowers, Daisies, Asters, and Allies	54	Sep (peak)
46	fen grass of Parnassus	Parnassia glauca	staff-vine family	50	Aug (past peak)
47	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	47	Sep (peak)
48	Hedge Bindweed	Calystegia sepium	bindweed family	47	Jul (past peak)
49	Horseweed	Erigeron canadensis	Sunflowers, Daisies, Asters, and Allies	47	Aug (past peak)
50	Groundsel Tree	Baccharis halimifolia	Sunflowers, Daisies, Asters, and Allies	45	Oct (rising)