Wildflowers Blooming in Illinois in April (60 Species)

60 wildflowers were recorded blooming in Illinois in April in our iNaturalist sample; 38 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 April

Dutchman's breeches1,661 obs.

Virginia bluebells1,563 obs.

Bloodroot1,292 obs.

Prairie Trillium874 obs.

White Fawnlily740 obs.

Virginia Springbeauty705 obs.

Lesser Celandine382 obs.

Cut-Leaved Toothwort379 obs.

Garlic Mustard328 obs.

Common Pawpaw284 obs.

Siberian squill265 obs.

Ground-Ivy260 obs.

All wildflowers blooming in Illinois in April

#	Species	Scientific name	Family	Obs.	Peak in state
1	Dutchman's breeches	Dicentra cucullaria	Poppy Family	1,661	Apr (peak)
2	Virginia bluebells	Mertensia virginica	borage family	1,563	Apr (peak)
3	Bloodroot	Sanguinaria canadensis	Poppy Family	1,292	Apr (peak)
4	Prairie Trillium	Trillium recurvatum	Herb-Paris, False Hellebores, Trilliums and allies	874	May (rising)
5	White Fawnlily	Erythronium albidum	lily family	740	Apr (peak)
6	Virginia Springbeauty	Claytonia virginica	Pussypaw Family	705	Apr (peak)
7	Lesser Celandine	Ficaria verna	buttercup family	382	Apr (peak)
8	Cut-Leaved Toothwort	Cardamine concatenata	mustard family	379	Apr (peak)
9	Garlic Mustard	Alliaria petiolata	mustard family	328	May (rising)
10	Common Pawpaw	Asimina triloba	custard-apples	284	Apr (peak)
11	Siberian squill	Scilla siberica	agave and allies	265	Apr (peak)
12	Ground-Ivy	Glechoma hederacea	Mint Family	260	Apr (peak)
13	Large White Trillium	Trillium grandiflorum	Herb-Paris, False Hellebores, Trilliums and allies	259	May (rising)
14	Rue Anemone	Thalictrum thalictroides	buttercup family	249	Apr (peak)
15	Blue Phlox	Phlox divaricata	phlox family	242	Apr (peak)
16	Smooth Yellow Violet	Viola eriocarpa	Violet Family	234	Apr (peak)
17	False Rue Anemone	Enemion biternatum	buttercup family	233	Apr (peak)
18	Squirrel Corn	Dicentra canadensis	Poppy Family	197	Apr (peak)
19	Largeflower Bellwort	Uvularia grandiflora	Bellworts and allies	187	Apr (peak)
20	American bladdernut	Staphylea trifolia	bladdernut family	179	Apr (peak)
21	Marsh Marigold	Caltha palustris	buttercup family	172	Apr (peak)
22	Sharp-Lobed Hepatica	Hepatica acutiloba	buttercup family	170	Apr (peak)
23	Wood Anemone	Anemonoides quinquefolia	buttercup family	170	Apr (peak)
24	Miami Mist	Phacelia purshii	borage family	164	Apr (peak)
25	Eastern Skunk Cabbage	Symplocarpus foetidus	Arum Family	163	Mar (past peak)
26	Mayapple	Podophyllum peltatum	barberry family	151	May (rising)
27	Eastern Shooting Star	Primula meadia	primrose family	148	May (rising)
28	Yellow Trout Lily	Erythronium americanum	lily family	147	Apr (peak)
29	Red Deadnettle	Lamium purpureum	Mint Family	143	Apr (peak)
30	Jack-in-the-Pulpit	Arisaema triphyllum	Arum Family	142	May (rising)
31	Small-Flowered Buttercup	Ranunculus abortivus	buttercup family	142	Apr (peak)
32	Wild Geranium	Geranium maculatum	Geranium family	141	May (rising)
33	Virginia strawberry	Fragaria virginiana	rose family	136	Apr (peak)
34	Celandine Poppy	Chelidonium diphyllum	Poppy Family	129	Apr (peak)
35	Canadian lousewort	Pedicularis canadensis	broomrape family	115	May (rising)
36	Eastern Redbud	Cercis canadensis	Legumes	113	Apr (peak)
37	Henbit Deadnettle	Lamium amplexicaule	Mint Family	113	Apr (peak)
38	Common Dandelion	Taraxacum officinale	Sunflowers, Daisies, Asters, and Allies	109	Apr (peak)
39	Lesser Periwinkle	Vinca minor	Dogbane Family	105	Apr (peak)
40	Blue Cohosh	Caulophyllum thalictroides	barberry family	103	Apr (peak)
41	Reflexed Wild Ginger	Asarum reflexum	birthwort family	102	Apr (peak)
42	Red Columbine	Aquilegia canadensis	buttercup family	99	May (rising)
43	Jacob's ladder	Polemonium reptans	phlox family	95	Apr (peak)
44	Early Meadow-Rue	Thalictrum dioicum	buttercup family	88	Apr (peak)
45	Purple Cress	Cardamine douglassii	mustard family	86	Apr (peak)
46	Prairie Pasqueflower	Pulsatilla nuttalliana	buttercup family	85	Apr (peak)
47	Drooping Trillium	Trillium flexipes	Herb-Paris, False Hellebores, Trilliums and allies	84	May (rising)
48	Snow Trillium	Trillium nivale	Herb-Paris, False Hellebores, Trilliums and allies	83	Mar (past peak)
49	Field Penny-Cress	Thlaspi arvense	mustard family	82	Apr (peak)
50	Northern Spicebush	Lindera benzoin	laurels	72	Apr (peak)