Wildflowers Blooming in California in August (60 Species)

60 wildflowers were recorded blooming in California in August in our iNaturalist sample; 4 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 August

California fuchsia1,657 obs.

Narrowleaf Milkweed582 obs.

Leichtlin's Mariposa Lily547 obs.

Anderson's thistle522 obs.

Vinegar Weed501 obs.

Fireweed501 obs.

California Aster486 obs.

Scarlet Monkeyflower464 obs.

marsh grass-of-Parnassus381 obs.

California poppy377 obs.

Western Columbine361 obs.

Bull Thistle351 obs.

All wildflowers blooming in California in August

#	Species	Scientific name	Family	Obs.	Peak in state
1	California fuchsia	Epilobium canum	evening primrose family	1,657	Oct (rising)
2	Narrowleaf Milkweed	Asclepias fascicularis	Dogbane Family	582	Jul (past peak)
3	Leichtlin's Mariposa Lily	Calochortus leichtlinii	lily family	547	Jul (past peak)
4	Anderson's thistle	Cirsium andersonii	Sunflowers, Daisies, Asters, and Allies	522	Jul (past peak)
5	Vinegar Weed	Trichostema lanceolatum	Mint Family	501	Sep (rising)
6	Fireweed	Chamaenerion angustifolium	evening primrose family	501	Jul (past peak)
7	California Aster	Corethrogyne filaginifolia	Sunflowers, Daisies, Asters, and Allies	486	Aug (peak)
8	Scarlet Monkeyflower	Erythranthe cardinalis	lopseed family	464	Jul (past peak)
9	marsh grass-of-Parnassus	Parnassia palustris	staff-vine family	381	Aug (peak)
10	California poppy	Eschscholzia californica	Poppy Family	377	Apr (past peak)
11	Western Columbine	Aquilegia formosa	buttercup family	361	Jun (past peak)
12	Bull Thistle	Cirsium vulgare	Sunflowers, Daisies, Asters, and Allies	351	Jul (past peak)
13	Pearly Everlasting	Anaphalis margaritacea	Sunflowers, Daisies, Asters, and Allies	349	Aug (peak)
14	Coyote Brush	Baccharis pilularis	Sunflowers, Daisies, Asters, and Allies	347	Oct (rising)
15	Laurel Sumac	Malosma laurina	Cashew Family	345	Jul (past peak)
16	Hayfield Tarweed	Hemizonia congesta	Sunflowers, Daisies, Asters, and Allies	326	Sep (rising)
17	California Buckwheat	Eriogonum fasciculatum	knotweed family	317	Jun (past peak)
18	Sacred Datura	Datura wrightii	nightshade family	281	May (past peak)
19	Alkali Heliotrope	Heliotropium curassavicum	borage family	263	Jul (past peak)
20	California Wild Rose	Rosa californica	rose family	248	Jun (past peak)
21	Tree Tobacco	Nicotiana glauca	nightshade family	225	Apr (past peak)
22	Naked Buckwheat	Eriogonum nudum	knotweed family	219	Jul (past peak)
23	Common Yarrow	Achillea millefolium	Sunflowers, Daisies, Asters, and Allies	218	Apr (past peak)
24	Turkey Mullein	Croton setiger	Spurge Family	211	Jul (past peak)
25	Yellow Star-Thistle	Centaurea solstitialis	Sunflowers, Daisies, Asters, and Allies	198	Jul (past peak)
26	Orange Bush Monkeyflower	Diplacus aurantiacus	lopseed family	198	Apr (past peak)
27	Pennyroyal	Mentha pulegium	Mint Family	197	Jul (past peak)
28	Toyon	Heteromeles arbutifolia	rose family	180	Jul (past peak)
29	Common Madia	Madia elegans	Sunflowers, Daisies, Asters, and Allies	180	Jul (past peak)
30	White Clover	Trifolium repens	Legumes	169	Apr (past peak)
31	Common Selfheal	Prunella vulgaris	Mint Family	161	Jun (past peak)
32	Red Clover	Trifolium pratense	Legumes	154	Jun (past peak)
33	Bladderpod	Cleomella arborea	Spider Flower Family	143	Feb (past peak)
34	Seaside Daisy	Erigeron glaucus	Sunflowers, Daisies, Asters, and Allies	136	Jul (past peak)
35	Rubber Rabbitbrush	Ericameria nauseosa	Sunflowers, Daisies, Asters, and Allies	136	Sep (rising)
36	Blue Elder	Sambucus cerulea	elder family	134	May (past peak)
37	Spineless Horsebrush	Tetradymia canescens	Sunflowers, Daisies, Asters, and Allies	130	Jul (past peak)
38	Mountain Bog Gentian	Gentiana calycosa	gentian family	129	Aug (peak)
39	Spanish clover	Acmispon americanus	Legumes	129	Jul (past peak)
40	Field Bindweed	Convolvulus arvensis	bindweed family	128	May (past peak)
41	Scarlet Pimpernel	Lysimachia arvensis	primrose family	123	Apr (past peak)
42	Ruby Chalice Clarkia	Clarkia rubicunda	evening primrose family	116	Jun (past peak)
43	Yellow Sand Verbena	Abronia latifolia	four o'clock family	114	Jun (past peak)
44	Telegraphweed	Heterotheca grandiflora	Sunflowers, Daisies, Asters, and Allies	110	Sep (rising)
45	Western Blue-Eyed Grass	Sisyrinchium bellum	iris family	107	Apr (past peak)
46	Tall Evening Primrose	Oenothera elata	evening primrose family	105	Jul (past peak)
47	Southern Coastal Bushmallow	Malacothamnus fasciculatus	Mallow and Hibiscus Family	105	May (past peak)
48	Cobwebby Thistle	Cirsium occidentale	Sunflowers, Daisies, Asters, and Allies	101	May (past peak)
49	Oregon woodsorrel	Oxalis oregana	Woodsorrel Family	100	Sep (rising)
50	Herb Robert	Geranium robertianum	Geranium family	97	Jul (past peak)