60 wildflowers were recorded blooming in New York in March in our iNaturalist sample; 2 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in March

Lesser Celandine

Eastern Skunk Cabbage
Common Snowdrop

Red Deadnettle

Colt's-Foot

Red Maple

Hairy Bittercress

Lesser Periwinkle

Bird's-Eye Speedwell
Siberian squill

Bloodroot

Common Whitlowgrass
All wildflowers blooming in New York in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Lesser Celandine | Ficaria verna | buttercup family | 378 | Apr (rising) |
| 2 | Eastern Skunk Cabbage | Symplocarpus foetidus | Arum Family | 320 | Mar (peak) |
| 3 | Common Snowdrop | Galanthus nivalis | amaryllis, onions, and allies | 211 | Mar (peak) |
| 4 | Red Deadnettle | Lamium purpureum | Mint Family | 165 | Apr (rising) |
| 5 | Colt's-Foot | Tussilago farfara | Sunflowers, Daisies, Asters, and Allies | 135 | Apr (rising) |
| 6 | Red Maple | Acer rubrum | soapberry family | 132 | Apr (rising) |
| 7 | Hairy Bittercress | Cardamine hirsuta | mustard family | 111 | Apr (rising) |
| 8 | Lesser Periwinkle | Vinca minor | Dogbane Family | 98 | Apr (rising) |
| 9 | Bird's-Eye Speedwell | Veronica persica | Plantain Family | 80 | Apr (rising) |
| 10 | Siberian squill | Scilla siberica | agave and allies | 76 | Apr (rising) |
| 11 | Bloodroot | Sanguinaria canadensis | Poppy Family | 70 | Apr (rising) |
| 12 | Common Whitlowgrass | Draba verna | mustard family | 62 | Apr (rising) |
| 13 | Virginia Springbeauty | Claytonia virginica | Pussypaw Family | 37 | Apr (rising) |
| 14 | Northern Spicebush | Lindera benzoin | laurels | 32 | Apr (rising) |
| 15 | Henbit Deadnettle | Lamium amplexicaule | Mint Family | 32 | Apr (rising) |
| 16 | Common Groundsel | Senecio vulgaris | Sunflowers, Daisies, Asters, and Allies | 30 | Apr (rising) |
| 17 | Lawn daisy | Bellis perennis | Sunflowers, Daisies, Asters, and Allies | 30 | May (rising) |
| 18 | Common Chickweed | Stellaria media | pink family | 29 | Apr (rising) |
| 19 | Common Dandelion | Taraxacum officinale | Sunflowers, Daisies, Asters, and Allies | 23 | Apr (rising) |
| 20 | Dutchman's breeches | Dicentra cucullaria | Poppy Family | 19 | Apr (rising) |
| 21 | Redstem Stork's-bill | Erodium cicutarium | Geranium family | 12 | Apr (rising) |
| 22 | Ground-Ivy | Glechoma hederacea | Mint Family | 10 | May (rising) |
| 23 | Carolina Springbeauty | Claytonia caroliniana | Pussypaw Family | 10 | Apr (rising) |
| 24 | Trailing Arbutus | Epigaea repens | heath family | 10 | Apr (rising) |
| 25 | Shepherd's-Purse | Capsella bursa-pastoris | mustard family | 8 | Apr (rising) |
| 26 | Marsh Marigold | Caltha palustris | buttercup family | 8 | Apr (rising) |
| 27 | Sharp-Lobed Hepatica | Hepatica acutiloba | buttercup family | 8 | Apr (rising) |
| 28 | Box Elder | Acer negundo | soapberry family | 7 | Apr (rising) |
| 29 | Early Blue Cohosh | Caulophyllum giganteum | barberry family | 7 | Apr (rising) |
| 30 | Round-Lobed Hepatica | Hepatica americana | buttercup family | 7 | Apr (rising) |
| 31 | Moss Phlox | Phlox subulata | phlox family | 6 | May (rising) |
| 32 | Yellow Trout Lily | Erythronium americanum | lily family | 4 | Apr (rising) |
| 33 | American Witch-Hazel | Hamamelis virginiana | witch-hazel family | 3 | Oct (rising) |
| 34 | European field pansy | Viola arvensis | Violet Family | 3 | Apr (rising) |
| 35 | Virginia bluebells | Mertensia virginica | borage family | 3 | Apr (rising) |
| 36 | Field Penny-Cress | Thlaspi arvense | mustard family | 3 | Apr (rising) |
| 37 | Virginia saxifrage | Micranthes virginiensis | saxifrage family | 3 | Apr (rising) |
| 38 | Field madder | Sherardia arvensis | madder family | 2 | Dec (rising) |
| 39 | Eastern Leatherwood | Dirca palustris | Stringbarks | 2 | Apr (rising) |
| 40 | Pineapple-Weed | Matricaria discoidea | Sunflowers, Daisies, Asters, and Allies | 2 | May (rising) |
| 41 | common star-of-Bethlehem | Ornithogalum umbellatum | agave and allies | 2 | May (rising) |
| 42 | Cut-Leaved Toothwort | Cardamine concatenata | mustard family | 2 | Apr (rising) |
| 43 | Callery pear | Pyrus calleryana | rose family | 2 | Apr (rising) |
| 44 | Asian mazus | Mazus pumilus | mazus family | 2 | Apr (rising) |
| 45 | Wild Geranium | Geranium maculatum | Geranium family | 1 | May (rising) |
| 46 | Common Toadflax | Linaria vulgaris | Plantain Family | 1 | Aug (rising) |
| 47 | Catchweed Bedstraw | Galium aparine | madder family | 1 | May (rising) |
| 48 | Norway maple | Acer platanoides | soapberry family | 1 | Apr (rising) |
| 49 | Sassafras | Sassafras albidum | laurels | 1 | Apr (rising) |
| 50 | Large White Trillium | Trillium grandiflorum | Herb-Paris, False Hellebores, Trilliums and allies | 1 | May (rising) |