Wildflowers Blooming in New Jersey in August (60 Species)

60 wildflowers were recorded blooming in New Jersey in August in our iNaturalist sample; 21 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 Dec

Top wildflowers in August

Purple Loosestrife170 obs.

Swamp Rose Mallow114 obs.

Common Jewelweed113 obs.

Sweet Pepperbush108 obs.

black-eyed Susan99 obs.

Cardinal Flower79 obs.

Wild Carrot78 obs.

American groundnut69 obs.

Asiatic dayflower61 obs.

American white waterlily55 obs.

Common Selfheal53 obs.

American trumpet vine51 obs.

All wildflowers blooming in New Jersey in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	Purple Loosestrife	Lythrum salicaria	lythrum family	170	Aug (peak)
2	Swamp Rose Mallow	Hibiscus moscheutos	Mallow and Hibiscus Family	114	Aug (peak)
3	Common Jewelweed	Impatiens capensis	balsam family	113	Sep (rising)
4	Sweet Pepperbush	Clethra alnifolia	clethra family	108	Aug (peak)
5	black-eyed Susan	Rudbeckia hirta	Sunflowers, Daisies, Asters, and Allies	99	Jul (past peak)
6	Cardinal Flower	Lobelia cardinalis	bellflower family	79	Aug (peak)
7	Wild Carrot	Daucus carota	carrot family	78	Jul (past peak)
8	American groundnut	Apios americana	Legumes	69	Aug (peak)
9	Asiatic dayflower	Commelina communis	Spiderworts	61	Sep (rising)
10	American white waterlily	Nymphaea odorata	Waterlily Family	55	Aug (peak)
11	Common Selfheal	Prunella vulgaris	Mint Family	53	Jul (past peak)
12	American trumpet vine	Campsis radicans	bignonia family	51	Aug (peak)
13	Allegheny monkeyflower	Mimulus ringens	lopseed family	50	Jul (past peak)
14	Chicory	Cichorium intybus	Sunflowers, Daisies, Asters, and Allies	49	Jul (past peak)
15	White Snakeroot	Ageratina altissima	Sunflowers, Daisies, Asters, and Allies	49	Sep (rising)
16	Shining Sumac	Rhus copallinum	Cashew Family	48	Aug (peak)
17	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	47	Aug (peak)
18	Climbing Hempvine	Mikania scandens	Sunflowers, Daisies, Asters, and Allies	43	Sep (rising)
19	Cutleaf Coneflower	Rudbeckia laciniata	Sunflowers, Daisies, Asters, and Allies	41	Aug (peak)
20	Common Hibiscus	Hibiscus syriacus	Mallow and Hibiscus Family	41	Jul (past peak)
21	brown-eyed Susan	Rudbeckia triloba	Sunflowers, Daisies, Asters, and Allies	41	Aug (peak)
22	Bird's-Foot Trefoil	Lotus corniculatus	Legumes	40	Jun (past peak)
23	Red Clover	Trifolium pratense	Legumes	40	Jun (past peak)
24	Pickerelweed	Pontederia cordata	Pickerelweeds	40	Jul (past peak)
25	Porcelain Berry	Ampelopsis glandulosa	Grape Family	39	Aug (peak)
26	American pokeweed	Phytolacca americana	Pokeweed Family	37	Jul (past peak)
27	Saltmarsh mallow	Kosteletzkya pentacarpos	Mallow and Hibiscus Family	37	Aug (peak)
28	Blue Vervain	Verbena hastata	Verbena Family	36	Aug (peak)
29	Butterfly Milkweed	Asclepias tuberosa	Dogbane Family	35	Jul (past peak)
30	Marsh Fleabane	Pluchea odorata	Sunflowers, Daisies, Asters, and Allies	35	Sep (rising)
31	Autumn Clematis	Clematis terniflora	buttercup family	35	Sep (rising)
32	Common Boneset	Eupatorium perfoliatum	Sunflowers, Daisies, Asters, and Allies	34	Aug (peak)
33	Swamp Milkweed	Asclepias incarnata	Dogbane Family	34	Jul (past peak)
34	White Wood Aster	Eurybia divaricata	Sunflowers, Daisies, Asters, and Allies	34	Sep (rising)
35	American hog-peanut	Amphicarpaea bracteata	Legumes	31	Sep (rising)
36	Partridge Pea	Chamaecrista fasciculata	Legumes	31	Aug (peak)
37	Ghost Pipe	Monotropa uniflora	heath family	30	Jul (past peak)
38	Hedge Bindweed	Calystegia sepium	bindweed family	30	Jun (past peak)
39	Indian tobacco	Lobelia inflata	bellflower family	30	Jul (past peak)
40	White Vervain	Verbena urticifolia	Verbena Family	30	Jul (past peak)
41	Broadleaf Arrowhead	Sagittaria latifolia	Water-Plantain family	29	Aug (peak)
42	White Sweetclover	Melilotus albus	Legumes	28	Jul (past peak)
43	Great Blue Lobelia	Lobelia siphilitica	bellflower family	28	Aug (peak)
44	Panicled Hawkweed	Hieracium paniculatum	Sunflowers, Daisies, Asters, and Allies	27	Aug (peak)
45	Pinkweed	Persicaria pensylvanica	knotweed family	26	Aug (peak)
46	Late Boneset	Eupatorium serotinum	Sunflowers, Daisies, Asters, and Allies	25	Sep (rising)
47	Carolina horsenettle	Solanum carolinense	nightshade family	24	Jun (past peak)
48	White Clover	Trifolium repens	Legumes	24	May (past peak)
49	Common Soapwort	Saponaria officinalis	pink family	24	Jul (past peak)
50	Common Evening-Primrose	Oenothera biennis	evening primrose family	24	Aug (peak)