Wildflowers Blooming in Indiana in May (60 Species)

60 wildflowers were recorded blooming in Indiana in May in our iNaturalist sample; 26 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 May

Prairie Trillium297 obs.

Red Columbine279 obs.

Large White Trillium268 obs.

Common Pawpaw216 obs.

Miami Mist182 obs.

Guyandotte beauty169 obs.

common star-of-Bethlehem168 obs.

Fire Pink157 obs.

Great Waterleaf156 obs.

Purple Rocket149 obs.

Wild Geranium141 obs.

Drooping Trillium121 obs.

All wildflowers blooming in Indiana in May

#	Species	Scientific name	Family	Obs.	Peak in state
1	Prairie Trillium	Trillium recurvatum	Herb-Paris, False Hellebores, Trilliums and allies	297	Apr (past peak)
2	Red Columbine	Aquilegia canadensis	buttercup family	279	May (peak)
3	Large White Trillium	Trillium grandiflorum	Herb-Paris, False Hellebores, Trilliums and allies	268	May (peak)
4	Common Pawpaw	Asimina triloba	custard-apples	216	Apr (past peak)
5	Miami Mist	Phacelia purshii	borage family	182	May (peak)
6	Guyandotte beauty	Synandra hispidula	Mint Family	169	May (peak)
7	common star-of-Bethlehem	Ornithogalum umbellatum	agave and allies	168	May (peak)
8	Fire Pink	Silene virginica	pink family	157	May (peak)
9	Great Waterleaf	Hydrophyllum appendiculatum	borage family	156	May (peak)
10	Purple Rocket	Iodanthus pinnatifidus	mustard family	149	May (peak)
11	Wild Geranium	Geranium maculatum	Geranium family	141	Apr (past peak)
12	Drooping Trillium	Trillium flexipes	Herb-Paris, False Hellebores, Trilliums and allies	121	Apr (past peak)
13	Amur honeysuckle	Lonicera maackii	honeysuckle family	120	May (peak)
14	Multiflora Rose	Rosa multiflora	rose family	106	May (peak)
15	Mayapple	Podophyllum peltatum	barberry family	105	Apr (past peak)
16	Celandine Poppy	Chelidonium diphyllum	Poppy Family	102	Apr (past peak)
17	American tuliptree	Liriodendron tulipifera	magnolia family	96	May (peak)
18	Dame's Rocket	Hesperis matronalis	mustard family	89	May (peak)
19	Sundial Lupine	Lupinus perennis	Legumes	79	May (peak)
20	Virginia Springbeauty	Claytonia virginica	Pussypaw Family	77	Apr (past peak)
21	Butterweed	Packera glabella	Sunflowers, Daisies, Asters, and Allies	76	May (peak)
22	Solomon's plume	Maianthemum racemosum	agave and allies	75	May (peak)
23	Catchweed Bedstraw	Galium aparine	madder family	70	May (peak)
24	American bladdernut	Staphylea trifolia	bladdernut family	70	Apr (past peak)
25	Blue Phlox	Phlox divaricata	phlox family	67	Apr (past peak)
26	Toadshade	Trillium sessile	Herb-Paris, False Hellebores, Trilliums and allies	55	Apr (past peak)
27	Ground-Ivy	Glechoma hederacea	Mint Family	54	Apr (past peak)
28	Atlantic camas	Camassia scilloides	agave and allies	54	May (peak)
29	Jack-in-the-Pulpit	Arisaema triphyllum	Arum Family	52	Apr (past peak)
30	Red Deadnettle	Lamium purpureum	Mint Family	52	Apr (past peak)
31	Garlic Mustard	Alliaria petiolata	mustard family	51	Apr (past peak)
32	Philadelphia fleabane	Erigeron philadelphicus	Sunflowers, Daisies, Asters, and Allies	50	May (peak)
33	Flowering Dogwood	Cornus florida	Dogwood family	46	Apr (past peak)
34	Virginia bluebells	Mertensia virginica	borage family	44	Apr (past peak)
35	Four-Leaved Milkweed	Asclepias quadrifolia	Dogbane Family	43	May (peak)
36	Canadian lousewort	Pedicularis canadensis	broomrape family	42	May (peak)
37	Mapleleaf Viburnum	Viburnum acerifolium	elder family	41	May (peak)
38	Autumn Olive	Elaeagnus umbellata	oleaster family	40	May (peak)
39	False Rue Anemone	Enemion biternatum	buttercup family	40	Apr (past peak)
40	Poison Hemlock	Conium maculatum	carrot family	39	May (peak)
41	Wild Sarsaparilla	Aralia nudicaulis	ivy family	36	May (peak)
42	Reflexed Wild Ginger	Asarum reflexum	birthwort family	36	Apr (past peak)
43	Squirrel Corn	Dicentra canadensis	Poppy Family	33	Apr (past peak)
44	Marsh Marigold	Caltha palustris	buttercup family	32	Apr (past peak)
45	Yellow Lady's Slipper	Cypripedium parviflorum	Orchids	31	Apr (past peak)
46	Common Hoptree	Ptelea trifoliata	citrus family	29	Jun (rising)
47	White Clover	Trifolium repens	Legumes	29	May (peak)
48	Black Locust	Robinia pseudoacacia	Legumes	25	May (peak)
49	Cream Violet	Viola striata	Violet Family	25	Apr (past peak)
50	Jacob's ladder	Polemonium reptans	phlox family	24	Apr (past peak)