Carolina Spring-Beauty (Claytonia caroliniana) blooms early in the spring before the forest canopy green up.
Houstonia caerulea
Anemone quinquefolia
Wild Strawberry (Fragaria virginiana) is an important spring bloomer for many pollinators
Spotted Cranesbill (Geranium maculatum)
Dutchman’s Breeches (Dicentra cucullaria) are an early food source for queen bumblebees
Caltha palustris
Moss Phlox (Phlox subulata) is native to New York state and south of there, but easy to grow in New England gardens and rewarding for the early flowers, which are also liked by pollinators.
Barren Strawberry (Geum fragaroides, formerly Waldsteinia) is useful as a groundcover
Marybells (Uvularia grandiflora)