North Carolina Nature Guide: March 2026
March is the surge of spring across North Carolina. Redbuds and dogwoods break in the Piedmont, the first warblers and swallows return, the spring ephemerals carpet the cove forests, and the longleaf savannas green up. Spring sweeps up from the warm coast to the still-bare high mountains over the course of the month.
What to look for this week
- Tundra Swans and Snow Geese fill Mattamuskeet and Pungo at their winter peak, lifting off in roaring white clouds at dawn while the last Christmas Bird Counts wrap up statewide.
- The Quadrantid meteor shower peaks in a short, sharp burst around January 3 — best after midnight from a dark Blue Ridge Parkway overlook or the unlit Outer Banks.
- A planning week in the mountains, but Coastal Plain cold frames keep collards and kale growing — order seeds early before favorites sell out.
Birds This Month
March is when spring migration ignites in North Carolina. The first long-distance migrants arrive — Tree Swallows, Northern Rough-winged Swallows, Purple Martins, Louisiana Waterthrush, Pine Warblers (singing in the longleaf), and the earliest Yellow-throated and Black-and-white Warblers push north through the Piedmont and Coastal Plain. Ospreys return to the rivers and sounds, and resident songbirds are in full song: Northern Cardinals, Carolina Wrens, Eastern Towhees, and Carolina Chickadees sing from every wood edge.
The last of the wintering Tundra Swans and Snow Geese depart Mattamuskeet and Pungo early in the month, and the diving ducks thin out on the sounds. Wild Turkeys gobble and strut in the open woods, American Woodcock finish their sky-dances, and Bald Eagles and Great Horned Owls already have growing young. In the Sandhills, the Red-cockaded Woodpecker and Brown-headed Nuthatch work the longleaf pine, and along the coast Brown Pelicans and the first returning terns patrol the warming surf.
What's Blooming
March is the explosion of spring ephemerals in North Carolina's rich woods. The cove forests and Piedmont slopes fill with bloodroot, trout lily, spring beauty, hepatica, rue anemone, trilliums, and the nodding Dutchman's breeches and cutleaf toothwort — a fleeting carpet that races to bloom before the canopy closes. The state flower, flowering dogwood, opens its white bracts late in the month in the Piedmont, and eastern redbud covers bare branches in magenta-pink.
In the longleaf savannas of the Sandhills and Coastal Plain, spring fire-following wildflowers begin — pyxie-moss, trailing arbutus, and the first wild blue lupine and sandhills bluet. Roadsides and fields green and bloom with henbit, spring beauty, violets, bluets, and the introduced Carolina geranium. The fragrant native Carolina jessamine drapes the southern pines in gold, and in gardens the daffodils, tulips, hyacinths, flowering quince, and azaleas hit their stride — Wilmington's azalea season is famous. The mountains lag weeks behind, with bloodroot and hepatica just opening on the warmest low slopes.
Garden This Month
March is the busiest cool-season planting month across most of North Carolina. In the Piedmont and Coastal Plain, direct-sow peas, spinach, lettuce, radishes, carrots, beets, turnips, and kale, set out broccoli, cabbage, cauliflower, and collard transplants, and plant potatoes, onion sets, asparagus crowns, and bare-root strawberries. Indoors under lights, tomatoes, peppers, and eggplant grow on for setting out after the frost date — roughly mid-April in the Piedmont, later in the mountains.
This is the month to finish dormant pruning of fruit trees, blueberries, and muscadine grapes before bud break, and to plant new fruit trees, brambles, and ornamentals while they are still dormant. Turn compost into beds as the soil dries and warms, mulch and side-dress overwintering garlic, onions, and strawberries, and divide and transplant summer perennials. Hold off on warm-season crops until the soil truly warms — a late frost is still likely in the Piedmont and certain in the mountains, where outdoor warm-season planting waits until May.
Zone 6b (high mountains & Asheville plateau): the season finally begins. Direct-sow peas, spinach, lettuce, and radishes in a sheltered bed, plant onion sets and potatoes late in the month, and start warm-season crops indoors — but expect frost well into May at elevation.
Zone 7a (western Piedmont & foothills): prime cool-season planting. Sow peas, carrots, beets, lettuce, and spinach, set out broccoli and cabbage, plant potatoes and onions, and start tomatoes and peppers indoors for an early-May transplant after frost.
Zone 7b (central Piedmont): the cool-season garden is in full swing. Keep succession-sowing greens, lettuce, and radishes, plant potatoes and asparagus crowns, and prepare warm-season beds — but hold tomatoes until mid-April when frost danger passes.
What's at the Farmers Market
March markets in North Carolina bridge winter storage and the first fresh spring growth. Sweet potatoes and storage apples still hold, alongside potatoes, onions, garlic, turnips, and winter squash from the cellar. The frost-sweetened greens — collards, kale, cabbage, spinach, and mustard greens — remain excellent, and the first tender spring crops appear from high tunnels and early fields.
Look for the first lettuces, arugula, radishes, green onions, and bunches of spinach, and the year's first cuttings of asparagus begin late in the month in the Piedmont and Coastal Plain. Mountain and Piedmont log-growers bring shiitake and oyster mushrooms, and the value-added stands carry honey, sorghum, country ham, grits, and cornmeal. Choose asparagus with tight, firm tips and snap it rather than bend; pick spring greens with crisp, deeply colored leaves and refrigerate in the crisper. The markets are waking up as spring planting fills the fields.
Night Sky This Month
March brings the spring equinox near the 20th, balancing day and night, and the sky turns toward its springtime cast. The winter giants Orion and the Winter Hexagon sink into the western evening sky while Leo the Lion climbs high in the south with bright Regulus, and the sprawling, faint constellations of Cancer, Virgo, and Coma Berenices rise in the east — a region rich in galaxies for telescopes under dark skies.
There is no major meteor shower this month, so March favors deep-sky observing as the great galaxy fields of the spring sky rise. The Beehive Cluster in Cancer is a fine binocular sight overhead, and the Realm of the Galaxies in Virgo and Coma climbs higher each night. From a dark mountain overlook on the Blue Ridge Parkway or the wide Coastal Plain, the transition from the bright winter Milky Way to the galaxy-rich spring sky is at its finest. The printable North Carolina night-sky guide lists this year's exact planet positions and conjunctions for the season.
Butterflies & Pollinators
March brings North Carolina's first real flush of spring butterflies. The overwintered adults — mourning cloaks, eastern commas, question marks, and American ladies — patrol sunny edges, and the season's fresh first broods emerge. The small blue spring azure and the falcate orangetip — a delicate white with an orange wing-tip flying in the rich spring woods — appear in the Piedmont and mountains, and cabbage whites, orange sulphurs, and juvenal's duskywings brighten field edges.
The big swallowtails begin in the warm Coastal Plain and Sandhills: fresh eastern tiger swallowtails (the state butterfly), zebra swallowtails over the pawpaw thickets, and spicebush and the coastal palamedes swallowtails take wing. The first northbound monarchs of the spring remigration begin reaching the Carolinas late in the month, seeking out the earliest milkweed to lay eggs. Watch the spring-blooming redbud, wild plum, and dogwood for nectaring butterflies on warm sunny afternoons, and check pawpaw, spicebush, and emerging milkweed for the first caterpillars and eggs of the year.
Trees This Month
March is the great leaf-out and flowering of North Carolina's trees, the green wave climbing from the coast to the mountains. The understory lights up first: the state flower, flowering dogwood, opens white in the Piedmont and Coastal Plain, eastern redbud covers bare branches in magenta-pink, and the native serviceberry (sarvis), red buckeye, fringetree, and wild plum and cherry bloom along the wood edges.
The canopy follows fast in the warm regions: red maple, river birch, American elm, sweetgum, tulip tree, and the oaks unfurl pale new leaves and dangle pollen catkins, and the longleaf pine of the Sandhills pushes its tall white candles of new growth. In the bottomlands, bald cypress flushes its feathery needles. The high Blue Ridge lags far behind, its cove hardwoods still bare and the Fraser fir and red spruce holding the only green on the summits — but even there, the red maples and serviceberry begin to color the lower slopes as the season climbs upward.
Go deeper with the North Carolina guides
The complete North Carolina birding, native-plant, wildflower, and night-sky guides — or the whole year in one bundle.
Same month elsewhere: March in North Dakota · March in Ohio · March in Oklahoma