Wildflowers Blooming in Michigan in May (60 Species)

60 wildflowers were recorded blooming in Michigan in May in our iNaturalist sample; 40 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.

Mar Apr May Jun Jul Aug Sep Oct Nov

Top wildflowers in May

Large White Trillium1,712 obs.

Northern Starflower518 obs.

Red Columbine456 obs.

Marsh Marigold419 obs.

Pink Lady's Slipper360 obs.

Fringed Polygala331 obs.

Wild Geranium311 obs.

Dutchman's breeches308 obs.

Trailing Arbutus296 obs.

Squirrel Corn224 obs.

Dame's Rocket221 obs.

Jack-in-the-Pulpit221 obs.

All wildflowers blooming in Michigan in May

#	Species	Scientific name	Family	Obs.	Peak in state
1	Large White Trillium	Trillium grandiflorum	Herb-Paris, False Hellebores, Trilliums and allies	1,712	May (peak)
2	Northern Starflower	Lysimachia borealis	primrose family	518	May (peak)
3	Red Columbine	Aquilegia canadensis	buttercup family	456	May (peak)
4	Marsh Marigold	Caltha palustris	buttercup family	419	May (peak)
5	Pink Lady's Slipper	Cypripedium acaule	Orchids	360	Jun (rising)
6	Fringed Polygala	Polygaloides paucifolia	milkworts	331	May (peak)
7	Wild Geranium	Geranium maculatum	Geranium family	311	May (peak)
8	Dutchman's breeches	Dicentra cucullaria	Poppy Family	308	Apr (past peak)
9	Trailing Arbutus	Epigaea repens	heath family	296	May (peak)
10	Squirrel Corn	Dicentra canadensis	Poppy Family	224	May (peak)
11	Dame's Rocket	Hesperis matronalis	mustard family	221	May (peak)
12	Jack-in-the-Pulpit	Arisaema triphyllum	Arum Family	221	May (peak)
13	Yellow Trout Lily	Erythronium americanum	lily family	202	Apr (past peak)
14	Yellow Lady's Slipper	Cypripedium parviflorum	Orchids	183	Jun (rising)
15	European lily of the valley	Convallaria majalis	agave and allies	178	May (peak)
16	Bearberry	Arctostaphylos uva-ursi	heath family	158	May (peak)
17	Common Pawpaw	Asimina triloba	custard-apples	156	May (peak)
18	Garlic Mustard	Alliaria petiolata	mustard family	153	May (peak)
19	Mayapple	Podophyllum peltatum	barberry family	151	May (peak)
20	Bloodroot	Sanguinaria canadensis	Poppy Family	150	Apr (past peak)
21	common star-of-Bethlehem	Ornithogalum umbellatum	agave and allies	148	May (peak)
22	Annual Honesty	Lunaria annua	mustard family	135	May (peak)
23	Red Deadnettle	Lamium purpureum	Mint Family	126	Apr (past peak)
24	Wood Anemone	Anemonoides quinquefolia	buttercup family	117	May (peak)
25	Carolina Springbeauty	Claytonia caroliniana	Pussypaw Family	115	May (peak)
26	Star-Flowered Lily-Of-The-Valley	Maianthemum stellatum	agave and allies	109	May (peak)
27	Virginia bluebells	Mertensia virginica	borage family	102	Apr (past peak)
28	Philadelphia fleabane	Erigeron philadelphicus	Sunflowers, Daisies, Asters, and Allies	101	May (peak)
29	Virginia Springbeauty	Claytonia virginica	Pussypaw Family	100	Apr (past peak)
30	Ground-Ivy	Glechoma hederacea	Mint Family	99	May (peak)
31	Virginia strawberry	Fragaria virginiana	rose family	95	May (peak)
32	Largeflower Bellwort	Uvularia grandiflora	Bellworts and allies	94	May (peak)
33	White Baneberry	Actaea pachypoda	buttercup family	92	May (peak)
34	Nodding Trillium	Trillium cernuum	Herb-Paris, False Hellebores, Trilliums and allies	90	May (peak)
35	Swamp Laurel	Kalmia polifolia	heath family	90	May (peak)
36	Greater celandine	Chelidonium majus	Poppy Family	88	May (peak)
37	Red-Berried Elder	Sambucus racemosa	elder family	88	May (peak)
38	Catchweed Bedstraw	Galium aparine	madder family	86	May (peak)
39	Moss Phlox	Phlox subulata	phlox family	81	May (peak)
40	Autumn Olive	Elaeagnus umbellata	oleaster family	80	May (peak)
41	Small White Lady's-Slipper	Cypripedium candidum	Orchids	76	May (peak)
42	Canada mayflower	Maianthemum canadense	agave and allies	74	Jun (rising)
43	Lawn daisy	Bellis perennis	Sunflowers, Daisies, Asters, and Allies	67	May (peak)
44	Lowbush Blueberry	Vaccinium angustifolium	heath family	67	May (peak)
45	Chokecherry	Prunus virginiana	rose family	66	May (peak)
46	American bladdernut	Staphylea trifolia	bladdernut family	66	May (peak)
47	Celandine Poppy	Chelidonium diphyllum	Poppy Family	65	May (peak)
48	Blue Phlox	Phlox divaricata	phlox family	64	May (peak)
49	Herb Robert	Geranium robertianum	Geranium family	62	Jun (rising)
50	Wild Sarsaparilla	Aralia nudicaulis	ivy family	61	May (peak)