60 wildflowers were recorded blooming in Vermont in June in our iNaturalist sample; 33 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in June

Pink Lady's Slipper

Purple-Flowered Raspberry
Bluebead Lily

Canadian bunchberry
Orange Hawkweed

Showy Lady's Slipper

Jack-in-the-Pulpit
Northern Blue Flag
Painted Trillium

Dame's Rocket

Canada mayflower

Northern Starflower
All wildflowers blooming in Vermont in June
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Pink Lady's Slipper | Cypripedium acaule | Orchids | 600 | Jun (peak) |
| 2 | Purple-Flowered Raspberry | Rubus odoratus | rose family | 404 | Jul (rising) |
| 3 | Bluebead Lily | Clintonia borealis | lily family | 392 | Jun (peak) |
| 4 | Canadian bunchberry | Cornus canadensis | Dogwood family | 385 | Jun (peak) |
| 5 | Orange Hawkweed | Pilosella aurantiaca | Sunflowers, Daisies, Asters, and Allies | 342 | Jun (peak) |
| 6 | Showy Lady's Slipper | Cypripedium reginae | Orchids | 323 | Jun (peak) |
| 7 | Jack-in-the-Pulpit | Arisaema triphyllum | Arum Family | 322 | May (past peak) |
| 8 | Northern Blue Flag | Iris versicolor | iris family | 304 | Jun (peak) |
| 9 | Painted Trillium | Trillium undulatum | Herb-Paris, False Hellebores, Trilliums and allies | 284 | May (past peak) |
| 10 | Dame's Rocket | Hesperis matronalis | mustard family | 283 | Jun (peak) |
| 11 | Canada mayflower | Maianthemum canadense | agave and allies | 276 | May (past peak) |
| 12 | Northern Starflower | Lysimachia borealis | primrose family | 275 | May (past peak) |
| 13 | Red Clover | Trifolium pratense | Legumes | 254 | Jun (peak) |
| 14 | Mountain Woodsorrel | Oxalis montana | Woodsorrel Family | 254 | Jun (peak) |
| 15 | Partridgeberry | Mitchella repens | madder family | 236 | Jun (peak) |
| 16 | Oxeye Daisy | Leucanthemum vulgare | Sunflowers, Daisies, Asters, and Allies | 228 | Jun (peak) |
| 17 | Solomon's plume | Maianthemum racemosum | agave and allies | 214 | Jun (peak) |
| 18 | Tufted Vetch | Vicia cracca | Legumes | 211 | Jun (peak) |
| 19 | Bird's-Foot Trefoil | Lotus corniculatus | Legumes | 199 | Jun (peak) |
| 20 | Cucumber Root | Medeola virginiana | lily family | 196 | Jun (peak) |
| 21 | Northern Bush Honeysuckle | Diervilla lonicera | honeysuckle family | 195 | Jun (peak) |
| 22 | Herb Robert | Geranium robertianum | Geranium family | 193 | Jun (peak) |
| 23 | Creeping Foamflower | Tiarella stolonifera | saxifrage family | 192 | May (past peak) |
| 24 | Sheep Laurel | Kalmia angustifolia | heath family | 170 | Jun (peak) |
| 25 | golden Alexanders | Zizia aurea | carrot family | 164 | May (past peak) |
| 26 | Azure Bluet | Houstonia caerulea | madder family | 160 | May (past peak) |
| 27 | Robin's-Plantain | Erigeron pulchellus | Sunflowers, Daisies, Asters, and Allies | 156 | Jun (peak) |
| 28 | Bog Labrador Tea | Rhododendron groenlandicum | heath family | 156 | Jun (peak) |
| 29 | Sulphur Cinquefoil | Potentilla recta | rose family | 152 | Jun (peak) |
| 30 | Canada anemone | Anemonastrum canadense | buttercup family | 150 | Jun (peak) |
| 31 | Philadelphia fleabane | Erigeron philadelphicus | Sunflowers, Daisies, Asters, and Allies | 148 | Jun (peak) |
| 32 | Common Columbine | Aquilegia vulgaris | buttercup family | 147 | Jun (peak) |
| 33 | Common Milkweed | Asclepias syriaca | Dogbane Family | 146 | Jul (rising) |
| 34 | Multiflora Rose | Rosa multiflora | rose family | 142 | Jun (peak) |
| 35 | black-eyed Susan | Rudbeckia hirta | Sunflowers, Daisies, Asters, and Allies | 137 | Jul (rising) |
| 36 | Common Yarrow | Achillea millefolium | Sunflowers, Daisies, Asters, and Allies | 132 | Jul (rising) |
| 37 | White Campion | Silene latifolia | pink family | 131 | Jun (peak) |
| 38 | Virginia waterleaf | Hydrophyllum virginianum | borage family | 131 | Jun (peak) |
| 39 | Tall Meadow-Rue | Thalictrum pubescens | buttercup family | 129 | Jul (rising) |
| 40 | Wild Parsnip | Pastinaca sativa | carrot family | 124 | Jul (rising) |
| 41 | Germander Speedwell | Veronica chamaedrys | Plantain Family | 123 | May (past peak) |
| 42 | Yellow Iris | Iris pseudacorus | iris family | 122 | Jun (peak) |
| 43 | Purple Pitcher Plant | Sarracenia purpurea | New World pitcher plants | 122 | Jun (peak) |
| 44 | Common Selfheal | Prunella vulgaris | Mint Family | 122 | Jul (rising) |
| 45 | Heath Speedwell | Veronica officinalis | Plantain Family | 116 | Jun (peak) |
| 46 | Bladder Campion | Silene vulgaris | pink family | 115 | Jun (peak) |
| 47 | Red Columbine | Aquilegia canadensis | buttercup family | 110 | May (past peak) |
| 48 | Common Cowparsnip | Heracleum maximum | carrot family | 110 | Jun (peak) |
| 49 | White Clover | Trifolium repens | Legumes | 108 | Jun (peak) |
| 50 | Greater celandine | Chelidonium majus | Poppy Family | 102 | May (past peak) |