Wildflowers Blooming in Maryland in May (60 Species)

60 wildflowers were recorded blooming in Maryland in May in our iNaturalist sample; 31 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

Top wildflowers in May

Partridgeberry514 obs.

Pink Lady's Slipper313 obs.

Multiflora Rose300 obs.

Yellow Iris276 obs.

Common Pawpaw244 obs.

common star-of-Bethlehem198 obs.

Mountain Laurel191 obs.

Azure Bluet183 obs.

American tuliptree182 obs.

Japanese honeysuckle147 obs.

Amur honeysuckle142 obs.

Dame's Rocket137 obs.

All wildflowers blooming in Maryland in May

#	Species	Scientific name	Family	Obs.	Peak in state
1	Partridgeberry	Mitchella repens	madder family	514	May (peak)
2	Pink Lady's Slipper	Cypripedium acaule	Orchids	313	May (peak)
3	Multiflora Rose	Rosa multiflora	rose family	300	May (peak)
4	Yellow Iris	Iris pseudacorus	iris family	276	May (peak)
5	Common Pawpaw	Asimina triloba	custard-apples	244	Apr (past peak)
6	common star-of-Bethlehem	Ornithogalum umbellatum	agave and allies	198	May (peak)
7	Mountain Laurel	Kalmia latifolia	heath family	191	May (peak)
8	Azure Bluet	Houstonia caerulea	madder family	183	Apr (past peak)
9	American tuliptree	Liriodendron tulipifera	magnolia family	182	May (peak)
10	Japanese honeysuckle	Lonicera japonica	honeysuckle family	147	May (peak)
11	Amur honeysuckle	Lonicera maackii	honeysuckle family	142	Apr (past peak)
12	Dame's Rocket	Hesperis matronalis	mustard family	137	May (peak)
13	Garlic Mustard	Alliaria petiolata	mustard family	133	Apr (past peak)
14	Showy Orchis	Galearis spectabilis	Orchids	123	Apr (past peak)
15	White Clover	Trifolium repens	Legumes	117	May (peak)
16	Catchweed Bedstraw	Galium aparine	madder family	111	May (peak)
17	Tall Blue Wild Indigo	Baptisia australis	Legumes	107	May (peak)
18	Border Privet	Ligustrum obtusifolium	olive family	105	May (peak)
19	Wild Geranium	Geranium maculatum	Geranium family	101	May (peak)
20	Deerberry	Vaccinium stamineum	heath family	93	May (peak)
21	Moss Phlox	Phlox subulata	phlox family	90	Apr (past peak)
22	Lyreleaf Sage	Salvia lyrata	Mint Family	87	May (peak)
23	Philadelphia fleabane	Erigeron philadelphicus	Sunflowers, Daisies, Asters, and Allies	86	May (peak)
24	Red Clover	Trifolium pratense	Legumes	85	May (peak)
25	Ground-Ivy	Glechoma hederacea	Mint Family	85	Apr (past peak)
26	White Fringetree	Chionanthus virginicus	olive family	82	May (peak)
27	Red Columbine	Aquilegia canadensis	buttercup family	81	Apr (past peak)
28	Virginia Springbeauty	Claytonia virginica	Pussypaw Family	81	Apr (past peak)
29	Black Cherry	Prunus serotina	rose family	70	May (peak)
30	Princess Tree	Paulownia tomentosa	foxglove tree family	70	May (peak)
31	Miami Mist	Phacelia purshii	borage family	70	May (peak)
32	Mayapple	Podophyllum peltatum	barberry family	69	Apr (past peak)
33	Canada toadflax	Linaria canadensis	Plantain Family	67	May (peak)
34	Black Locust	Robinia pseudoacacia	Legumes	65	May (peak)
35	Violet Woodsorrel	Oxalis violacea	Woodsorrel Family	63	May (peak)
36	Dwarf Ginseng	Panax trifolius	ivy family	63	Apr (past peak)
37	Jack-in-the-Pulpit	Arisaema triphyllum	Arum Family	58	Apr (past peak)
38	clasping Venus's looking glass	Triodanis perfoliata	bellflower family	57	Jun (rising)
39	Painted Trillium	Trillium undulatum	Herb-Paris, False Hellebores, Trilliums and allies	55	May (peak)
40	Hop Trefoil	Trifolium campestre	Legumes	55	May (peak)
41	Lesser hop trefoil	Trifolium dubium	Legumes	54	May (peak)
42	Strawberry Bush	Euonymus americanus	staff-vine family	54	May (peak)
43	Bristle Thistle	Cirsium horridulum	Sunflowers, Daisies, Asters, and Allies	54	May (peak)
44	One-Flowered Cancer-Root	Aphyllon uniflorum	broomrape family	52	May (peak)
45	European field pansy	Viola arvensis	Violet Family	51	Apr (past peak)
46	Flowering Dogwood	Cornus florida	Dogwood family	49	Apr (past peak)
47	Field madder	Sherardia arvensis	madder family	48	Apr (past peak)
48	Rue Anemone	Thalictrum thalictroides	buttercup family	48	Apr (past peak)
49	Autumn Olive	Elaeagnus umbellata	oleaster family	47	Apr (past peak)
50	Red Trillium	Trillium erectum	Herb-Paris, False Hellebores, Trilliums and allies	46	Apr (past peak)