Mississippi Nature Guide: May 2026
Data updated: August 2026Sources & method · Corrections
May crowns the Mississippi spring — the great white flowers of the Southern magnolia, the state tree and flower, open across the canopy, the last migrants pass while the breeders settle on nests, and the first summer fruit ripens. It is the peak of the breeding-bird season.
Week by week in May
April 30 – May 6
- The breeding season peaks — Hooded, Kentucky, and Swainson's Warblers sing in the bottomlands and canebrakes.
- The huge fragrant white flowers of the Southern magnolia, the state tree and flower, open across the glossy canopy.
- The Eta Aquariid meteor shower, debris of Halley's Comet, peaks in early May, best in the pre-dawn south.
May 7–13
- On the Gulf coast, Least Terns, Black Skimmers, and Wilson's Plovers nest on the open barrier-island beaches.
- The Black Belt prairie remnants bloom with coneflowers, wild indigo, and spider milkweed on the chalky soils.
- The first rabbiteye blueberries ripen from the Piney Woods and the first Smith County tomatoes appear by month's end.
May 14–20
- Black-eyed Susan, coreopsis, and Indian blanket blaze along the roadsides and old fields as the open summer flora takes over.
- Butterfly diversity climbs toward its summer peak with swallowtails, fritillaries, buckeyes, and clouds of grass skippers.
- Harvest the first squash, cucumbers, and beans, and keep planting okra, southern peas, and sweet potatoes as the heat builds.
May 21–27
- Mississippi Kites hawk dragonflies over the Delta and town shade trees, and fledgling songbirds appear at the feeders.
- Crepe myrtles begin their long Southern-summer bloom and the sweetbay magnolia scents the swamps.
- Gulf shrimp return to the markets as the warm-water season opens, alongside the first summer squash and tomatoes.
May 28 – June 3
- Native passionflower (maypop) opens its intricate purple blooms along the fences, host to the gulf fritillary.
- The first big harvest is on — tomatoes, squash, cucumbers, and beans — as the heat and humidity climb.
- Monarch caterpillars feed on the milkweed and the first summer-brood adults emerge across the state.
Birds This Month
May is the height of Mississippi's breeding-bird season, the woods and fields filled with song and nesting. The summer residents are all in and on territory: Prothonotary Warblers glow in the cypress swamps, Hooded, Kentucky, Yellow-throated, Northern Parula, and Swainson's Warblers sing in the bottomlands and canebrakes, and Painted and Indigo Buntings, Summer and Scarlet Tanagers, Blue Grosbeaks, Orchard Orioles, and Yellow-billed Cuckoos fill the brushy edges and woodlands.
The last of the late Gulf migrants — Blackpoll, Mourning, and Connecticut Warblers, flycatchers, and shorebirds — trickle through early in the month. Mississippi Kites, a Delta and small-town specialty, hawk insects over the treetops, and Swallow-tailed Kites wheel over the southern swamps. Wood Storks appear at southern wetlands. On the Gulf coast and the barrier islands, Least Terns, Black Skimmers, Wilson's and Snowy Plovers, and American Oystercatchers nest on the open beaches, and Brown Pelicans tend their colonies. In the longleaf pine, Red-cockaded Woodpeckers feed nestlings.
What's Blooming
May shifts Mississippi's wildflower show from the spring woodland into the open summer country. The roadsides, prairies, and old fields blaze with black-eyed Susan, coreopsis, Indian blanket (gaillardia), purple coneflower, butterfly weed, evening primrose, spiderwort, and the first milkweeds. The rare Black Belt prairie remnants on their chalky soils come alive with coneflowers, prairie clovers, wild indigo, and spider milkweed, a flora found almost nowhere else in the state.
In the wetlands, the native Louisiana iris finishes and the white spider lily and swamp lily bloom in the bayous, while the southern longleaf savannas and bogs hold their carnivorous pitcher plants, sundews, and bog orchids. Along streams the first cardinal flower buds and elderberry whitens. In gardens, roses, gardenias, daylilies, the climbing Confederate jasmine, and the first magnolias and hydrangeas scent the warm air. The pollinator garden hums into its summer richness.
Garden This Month
May is the garden hitting full summer stride across Mississippi, the heat climbing and the first real harvest beginning in the south. Pick the earliest squash, zucchini, cucumbers, snap beans, and new potatoes, and keep planting the true heat-lovers — okra, southern peas, sweet potatoes, eggplant, peppers, and melons — which thrive in the building heat. Make successive sowings of beans and corn for a continued harvest, and keep the basil and warm-season herbs coming.
Watering becomes the central task as the dry, hot weather sets in — soak deeply once or twice a week, best early in the morning, and mulch heavily to hold moisture, cool the roots, and suppress the fast-growing weeds. Stake and cage tomatoes, prune the suckers, and side-dress the heavy feeders. The pest and disease pressure rises in the humidity: watch for squash bugs and vine borers, tomato hornworms, flea beetles, aphids, and the early fungal blights and spots, and act quickly. Keep the strawberry bed and the early fruit picked. Plant zinnias, marigolds, and sunflowers for the pollinators. The garden is lush, productive, and demanding.
Zone 7b (northeastern hills & the north): the warm-season garden is fully planted and growing fast. Finish setting out sweet potato slips, mulch heavily, begin steady watering, and stake tomatoes as they take off in the warming weather.
Zone 8a (central Mississippi & the Delta): harvest the first squash, cucumbers, and beans, keep planting heat-lovers like okra and southern peas, and stay ahead of the surging weeds and the first squash bugs and tomato pests.
Zone 9a (Gulf coast): the first big harvest is on — tomatoes, squash, cucumbers, and beans — and the heat is building. Mulch and water deeply, plant more okra and southern peas, and watch closely for fungal disease in the humidity.
What's at the Farmers Market
May markets shift into early summer abundance across Mississippi. The first major fruit beyond strawberries arrives — the earliest rabbiteye blueberries from the Piney Woods and southern farms begin to ripen by late May, and strawberries finish their run. The vegetable tables fill with the season's first squash, zucchini, cucumbers, snap beans, new potatoes, spring onions, beets, carrots, and the last tender lettuce, greens, and English peas before the heat.
The first Smith County tomatoes appear at the very end of the month, the start of the celebrated local tomato season, and Gulf shrimp come back into the markets as the warm-water season opens. Cut flowers, fresh herbs, honey, and farm eggs round out the stands. Choose blueberries plump, dusty-blue, and fully colored, and refrigerate them unwashed for several days. Pick squash and cucumbers firm and glossy and small for tenderness, snap beans crisp, and tomatoes heavy and fragrant — and keep tomatoes at room temperature, never the refrigerator, which kills their flavor and texture.
Night Sky This Month
May's warm, comfortable nights invite stargazing from Mississippi's dark places — the open Delta, the forests of Noxubee NWR and the De Soto National Forest, Tishomingo State Park in the northeast, and the unlit beaches of the Gulf Islands National Seashore. Local astronomy clubs around Jackson and the coast hold public observing nights as the mild weather returns.
The spring constellations rule the early evening: Leo drops toward the west, while the Big Dipper rides overhead and its handle arcs to orange Arcturus in Boötes and on to blue-white Spica in Virgo. Late in the night the summer sky begins to rise — the great red star Antares in Scorpius clears the southeastern horizon, the first promise of the Milky Way to come. This is still galaxy season, the realm of Virgo and Leo overhead rich with distant galaxies for a telescope. The Eta Aquariid meteor shower, debris of Halley's Comet, peaks in early May, best in the pre-dawn south. The printable Mississippi night-sky guide lists this year's exact meteor-peak dates and planet positions.
Butterflies & Pollinators
May brings Mississippi's butterfly diversity toward its summer peak, broods overlapping and numbers high. The swallowtails fly thick — eastern tiger (the most familiar), spicebush, black, giant, zebra, and pipevine swallowtails patrol the gardens, river bottoms, and wood edges. Gulf and variegated fritillaries, pearl crescents, common buckeyes, red admirals, question marks, hackberry and tawny emperors, and a growing wealth of grass skippers, hairstreaks, and blues work the meadows and blooms.
Monarch caterpillars feed on the milkweed and the first summer-brood adults emerge across the state. Cloudless sulphurs, sleepy oranges, little yellows, and sulphurs drift through the open country, and along the Gulf coast the warm air keeps an especially rich variety on the wing, including the orange phaon crescent and coastal skippers. In the southern longleaf savannas, specialty butterflies tied to the bogs and wiregrass appear. Watch the butterfly weed, coneflower, coreopsis, gaillardia, and milkweed for clouds of nectaring butterflies, and keep a damp, sunny mud patch where swallowtails gather to puddle in numbers.
What to plant for them is in the Mississippi native plants guide
Trees This Month
May crowns the Mississippi tree year with the bloom of the Southern magnolia, the state tree and the source of the state flower — its huge, fragrant, creamy-white blossoms, the size of dinner plates, open across the glossy evergreen canopy from the hills to the coast, perfuming the warm air. It is the signature flowering of the Mississippi spring, joined by the smaller, lemon-scented sweetbay magnolia in the swamps and the bigleaf and umbrella magnolias in rich hill-country coves.
The other summer-flowering trees follow: the Southern catalpa hangs its showy white flower clusters, the black and honey locusts drape fragrant blooms, and the chinaberry and tupelo flower. In the bottomlands and along the streets the trees are in their deepest, fullest green. The oaks, hickories, sweetgum, and pines are setting and swelling their developing fruit and cones, and the mulberries ripen their dark fruit for the birds. The longleaf pine savannas of the south grow out their new green candles into needles. The forest is at the lush, productive height of late spring.
The Mississippi native plants guide covers what grows with them
Weather & Daylight
Across Mississippi, a typical May day averages a high near 83°F and a low near 61°F, with about 4.7 inches of precipitation — statewide averages from the 1991–2020 U.S. climate normals.
Summer arrives early with highs near 83 and muggy lows around 61, though rainfall eases back a bit.
| Average high | 83°F |
|---|---|
| Average low | 61°F |
| Precipitation | 4.7 in |
| Sunrise (mid-month) | 6:00 CT |
| Sunset (mid-month) | 19:50 CT |
Figures are statewide averages over the 1991–2020 U.S. climate normals; local conditions vary with elevation and distance from the coast. Sunrise and sunset are computed for a midstate point on the 15th (CT).
Next month's version of this page, by email
One short note when Mississippi's next month turns — what's arriving, blooming, and worth a night outside.
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The complete Mississippi birding, native-plant, and night-sky references — or the whole year, week by week, in one book.
Same month elsewhere: May in Missouri · May in Montana · May in Nebraska