60 wildflowers were recorded blooming in New York in June in our iNaturalist sample; 32 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in June

Partridgeberry

Bird's-Foot Trefoil

Multiflora Rose

Pink Lady's Slipper

Common Milkweed

Herb Robert

black-eyed Susan

Border Privet

Dame's Rocket

Mountain Laurel

American black elderberry

Purple Crownvetch
All wildflowers blooming in New York in June
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Partridgeberry | Mitchella repens | madder family | 552 | Jun (peak) |
| 2 | Bird's-Foot Trefoil | Lotus corniculatus | Legumes | 431 | Jun (peak) |
| 3 | Multiflora Rose | Rosa multiflora | rose family | 419 | Jun (peak) |
| 4 | Pink Lady's Slipper | Cypripedium acaule | Orchids | 398 | May (past peak) |
| 5 | Common Milkweed | Asclepias syriaca | Dogbane Family | 385 | Jun (peak) |
| 6 | Herb Robert | Geranium robertianum | Geranium family | 380 | Jun (peak) |
| 7 | black-eyed Susan | Rudbeckia hirta | Sunflowers, Daisies, Asters, and Allies | 290 | Jul (rising) |
| 8 | Border Privet | Ligustrum obtusifolium | olive family | 266 | Jun (peak) |
| 9 | Dame's Rocket | Hesperis matronalis | mustard family | 260 | May (past peak) |
| 10 | Mountain Laurel | Kalmia latifolia | heath family | 259 | Jun (peak) |
| 11 | American black elderberry | Sambucus canadensis | elder family | 255 | Jun (peak) |
| 12 | Purple Crownvetch | Securigera varia | Legumes | 253 | Jun (peak) |
| 13 | Red Clover | Trifolium pratense | Legumes | 251 | Jun (peak) |
| 14 | Nipplewort | Lapsana communis | Sunflowers, Daisies, Asters, and Allies | 228 | Jun (peak) |
| 15 | Bittersweet Nightshade | Solanum dulcamara | nightshade family | 227 | Jul (rising) |
| 16 | Red Columbine | Aquilegia canadensis | buttercup family | 226 | May (past peak) |
| 17 | Sulphur Cinquefoil | Potentilla recta | rose family | 225 | Jun (peak) |
| 18 | Whorled Loosestrife | Lysimachia quadrifolia | primrose family | 223 | Jun (peak) |
| 19 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 222 | Jun (peak) |
| 20 | Oxeye Daisy | Leucanthemum vulgare | Sunflowers, Daisies, Asters, and Allies | 209 | Jun (peak) |
| 21 | White Clover | Trifolium repens | Legumes | 199 | Jun (peak) |
| 22 | Purple-Flowered Raspberry | Rubus odoratus | rose family | 197 | Jul (rising) |
| 23 | Philadelphia fleabane | Erigeron philadelphicus | Sunflowers, Daisies, Asters, and Allies | 188 | May (past peak) |
| 24 | Annual Fleabane | Erigeron annuus | Sunflowers, Daisies, Asters, and Allies | 186 | Jun (peak) |
| 25 | Foxglove Beardtongue | Penstemon digitalis | Plantain Family | 186 | Jun (peak) |
| 26 | Black Medick | Medicago lupulina | Legumes | 172 | Jun (peak) |
| 27 | Deptford pink | Dianthus armeria | pink family | 161 | Jul (rising) |
| 28 | Bluebead Lily | Clintonia borealis | lily family | 158 | Jun (peak) |
| 29 | Tufted Vetch | Vicia cracca | Legumes | 157 | Jun (peak) |
| 30 | Chicory | Cichorium intybus | Sunflowers, Daisies, Asters, and Allies | 153 | Jul (rising) |
| 31 | Field Bindweed | Convolvulus arvensis | bindweed family | 153 | Jun (peak) |
| 32 | Sheep Laurel | Kalmia angustifolia | heath family | 151 | Jun (peak) |
| 33 | Northern Starflower | Lysimachia borealis | primrose family | 143 | May (past peak) |
| 34 | White Campion | Silene latifolia | pink family | 140 | Jun (peak) |
| 35 | Butterfly Milkweed | Asclepias tuberosa | Dogbane Family | 132 | Jul (rising) |
| 36 | Staghorn Sumac | Rhus typhina | Cashew Family | 132 | Jun (peak) |
| 37 | Mapleleaf Viburnum | Viburnum acerifolium | elder family | 131 | Jun (peak) |
| 38 | Canadian bunchberry | Cornus canadensis | Dogwood family | 130 | Jun (peak) |
| 39 | Lawn daisy | Bellis perennis | Sunflowers, Daisies, Asters, and Allies | 125 | May (past peak) |
| 40 | Common Yarrow | Achillea millefolium | Sunflowers, Daisies, Asters, and Allies | 122 | Jul (rising) |
| 41 | clasping Venus's looking glass | Triodanis perfoliata | bellflower family | 122 | Jun (peak) |
| 42 | Dwarf Mallow | Malva neglecta | Mallow and Hibiscus Family | 121 | Jun (peak) |
| 43 | Carolina horsenettle | Solanum carolinense | nightshade family | 115 | Jul (rising) |
| 44 | White Avens | Geum canadense | rose family | 114 | Jul (rising) |
| 45 | Swamp Laurel | Kalmia polifolia | heath family | 114 | Jun (peak) |
| 46 | Asiatic dayflower | Commelina communis | Spiderworts | 113 | Sep (rising) |
| 47 | Common Selfheal | Prunella vulgaris | Mint Family | 112 | Jul (rising) |
| 48 | Upright Yellow Woodsorrel | Oxalis stricta | Woodsorrel Family | 111 | Aug (rising) |
| 49 | Orange Hawkweed | Pilosella aurantiaca | Sunflowers, Daisies, Asters, and Allies | 108 | Jun (peak) |
| 50 | Northern Blue Flag | Iris versicolor | iris family | 104 | Jun (peak) |