28 wildflowers were recorded blooming in Massachusetts 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

Eastern Skunk Cabbage
Common Snowdrop

Hairy Bittercress

Lesser Celandine

Common Whitlowgrass

Red Maple

Lesser Periwinkle

Colt's-Foot
Siberian squill

Red Deadnettle

Round-Lobed Hepatica

Common Dandelion
All wildflowers blooming in Massachusetts in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Eastern Skunk Cabbage | Symplocarpus foetidus | Arum Family | 285 | Mar (peak) |
| 2 | Common Snowdrop | Galanthus nivalis | amaryllis, onions, and allies | 88 | Mar (peak) |
| 3 | Hairy Bittercress | Cardamine hirsuta | mustard family | 70 | Apr (rising) |
| 4 | Lesser Celandine | Ficaria verna | buttercup family | 53 | Apr (rising) |
| 5 | Common Whitlowgrass | Draba verna | mustard family | 51 | Apr (rising) |
| 6 | Red Maple | Acer rubrum | soapberry family | 37 | Apr (rising) |
| 7 | Lesser Periwinkle | Vinca minor | Dogbane Family | 37 | Apr (rising) |
| 8 | Colt's-Foot | Tussilago farfara | Sunflowers, Daisies, Asters, and Allies | 31 | Apr (rising) |
| 9 | Siberian squill | Scilla siberica | agave and allies | 28 | Apr (rising) |
| 10 | Red Deadnettle | Lamium purpureum | Mint Family | 17 | Apr (rising) |
| 11 | Round-Lobed Hepatica | Hepatica americana | buttercup family | 12 | Apr (rising) |
| 12 | Common Dandelion | Taraxacum officinale | Sunflowers, Daisies, Asters, and Allies | 9 | Apr (rising) |
| 13 | Trailing Arbutus | Epigaea repens | heath family | 9 | Apr (rising) |
| 14 | Redstem Stork's-bill | Erodium cicutarium | Geranium family | 7 | Apr (rising) |
| 15 | American Witch-Hazel | Hamamelis virginiana | witch-hazel family | 5 | Oct (rising) |
| 16 | Henbit Deadnettle | Lamium amplexicaule | Mint Family | 5 | Apr (rising) |
| 17 | Ground-Ivy | Glechoma hederacea | Mint Family | 5 | Apr (rising) |
| 18 | Marsh Marigold | Caltha palustris | buttercup family | 5 | Apr (rising) |
| 19 | Bloodroot | Sanguinaria canadensis | Poppy Family | 4 | Apr (rising) |
| 20 | Common Groundsel | Senecio vulgaris | Sunflowers, Daisies, Asters, and Allies | 4 | Apr (rising) |
| 21 | Common Chickweed | Stellaria media | pink family | 3 | Apr (rising) |
| 22 | Staghorn Sumac | Rhus typhina | Cashew Family | 3 | Jun (rising) |
| 23 | European field pansy | Viola arvensis | Violet Family | 2 | May (rising) |
| 24 | White Clover | Trifolium repens | Legumes | 1 | Jun (rising) |
| 25 | Greater celandine | Chelidonium majus | Poppy Family | 1 | May (rising) |
| 26 | Hedge Bindweed | Calystegia sepium | bindweed family | 1 | Aug (rising) |
| 27 | Moss Phlox | Phlox subulata | phlox family | 1 | May (rising) |
| 28 | Sharp-Lobed Hepatica | Hepatica acutiloba | buttercup family | 1 | Apr (rising) |