October is peak fall in Maryland — the western mountains blaze with color, waterfowl and sparrows return to the Chesapeake, the last monarchs cross the coast, and the markets fill with apples, pumpkins, and winter squash as the first frosts arrive across the state.
Week by week in October
October 1–7
- Sparrow migration peaks — white-throated, white-crowned, and the first fox sparrows fill the brushy edges with kinglets and hermit thrushes.
- The tail of the monarch migration crosses Assateague and the Eastern Shore points on warm northwest-wind days.
- Fall color peaks in the western mountains of Garrett and Allegany counties, the maples blazing among the dark hemlocks.
October 8–14
- The first Tundra Swans, snow geese, and diving ducks return to Blackwater and the Bay, building toward the winter peak.
- Apples and cider are at their best from the orchards as the first cool-weather oysters return to the markets.
- Color sweeps east into the Piedmont — red maples flame scarlet and the sweetgum wears every color at once.
October 15–21
- Plant garlic and spring bulbs, harvest the frost-sweetened brassicas, and let the kale and collards improve in the cooling weather.
- The last asters and the seaside goldenrod hold on the Assateague dunes as the native grasses color the old fields copper and bronze.
- The baldcypress in the Eastern Shore swamps turns rusty orange before dropping its needles.
October 22–28
- The Orionid meteors, debris from Halley's Comet, peak in the predawn around late October as Orion returns to the eastern sky.
- Golden eagles and late raptors cross the ridges as the open farm country fills with harriers and the first rough-legged hawks.
- Color sweeps across the Coastal Plain — the oaks turn russet and bronze and the sassafras flames orange, yellow, and red.
Birds This Month
October is a transition month rich with birds in Maryland. The late warblers thin out, replaced by waves of sparrows and the returning waterfowl. The fields and edges fill with white-throated and white-crowned sparrows, dark-eyed juncos, song and swamp sparrows, and the year's first fox sparrows, along with yellow-rumped warblers, ruby-crowned and golden-crowned kinglets, and hermit thrushes arriving to winter. Golden eagles and late raptors still cross the ridges.
On the Chesapeake, the great waterfowl winter begins to take shape. The first tundra swans, snow and Canada geese, northern pintail, American wigeon, green-winged teal, ruddy ducks, and diving ducks return to Blackwater and the Bay, building toward the November and December peak. The salt marshes hold late shorebirds and the first brant on the coastal bays, and peregrines still hunt Assateague. Mixed feeder flocks rebuild for winter as the cold arrives, and the dawn skies stream with migrating blackbirds and robins.
What's Blooming
October closes Maryland's wildflower year in a final wash of purple and gold. The asters finish strong — New England, calico, heath, and blue wood asters — with the last goldenrods, especially the seaside goldenrod still bright on the Assateague dunes and the salt-marsh edges. The hardy late sneezeweed, wingstem, and the spent skeletons of summer's milkweed and Joe-Pye weed stand through the cooling fields.
The tidal marshes glow russet and gold as the cordgrass, big cordgrass, and switchgrass turn, and the freshwater wetlands show the last turtlehead and nodding bur-marigold. The native grasses — little bluestem, broomsedge, and Indiangrass — color the old fields and serpentine barrens copper and bronze. In gardens, asters, chrysanthemums, sedum, toad lily, and the last roses and dahlias hold until frost. The frost-blackened flowers and seed-heads now feed the wintering sparrows and goldfinches as the bloom year ends.
Garden This Month
October is harvest-and-cleanup month in the Maryland garden, as the first frosts arrive — mid-month in the western mountains, later toward the Bay. Bring in the last tender crops ahead of a hard freeze — green tomatoes, peppers, winter squash, pumpkins, and sweet potatoes — and let the cool-season crops sweeten in the cold: kale, collards, spinach, broccoli, cabbage, carrots, leeks, and Brussels sprouts all improve after frost. Cure the winter squash and sweet potatoes in a warm spot, then store them cool and dry.
This is the prime month to plant garlic for next summer and to set out spring-flowering bulbs — daffodils, tulips, crocus, and alliums. Sow cover crops on emptied beds, plant trees and shrubs in the cool soil while roots still grow, and divide perennials. Rake and compost leaves (or mulch them into the beds), clean up diseased plant material, and protect tender plants. Leave the perennial seed-heads, standing stems, and a layer of leaf litter for the birds and overwintering insects — a messy fall garden is the best winter habitat.
Zone 6b (western Maryland & the Frederick uplands): frost arrives. Harvest the last tender crops before a hard freeze, mulch the carrots and leeks for winter holding, plant garlic and spring bulbs, and protect tender perennials before the cold mountain nights.
Zone 7a (central Piedmont & the Baltimore–Washington corridor): the first frosts land mid-to-late month. Harvest tender crops, plant garlic and spring bulbs, sow cover crops on bare beds, and let the fall greens and brassicas sweeten in the cooling weather.
Zone 7b (lower Eastern Shore & the Bay's warming edge): the long, mild fall continues. Frost holds off into late month or November; keep harvesting greens and roots, plant garlic, and set out the last cool-season transplants for winter cropping.
What's at the Farmers Market
October markets in Maryland are full of autumn. Apples are the headline — crisp fall varieties from western Maryland and Frederick County orchards — alongside fresh cider, pumpkins, winter squash, sweet potatoes, gourds, and the cool-season vegetables: broccoli, cabbage, cauliflower, kale, collards, spinach, lettuce, carrots, beets, turnips, and leeks. The last tomatoes and peppers finish, and grapes and late raspberries linger.
The Chesapeake's blue crabs are heavy and rich in their final strong weeks before the cold ends the season, and the first oysters of the cool-weather season return to the markets. Choose apples that are firm and heavy and store them cold, away from other produce, for months of keeping; pick pumpkins and winter squash with hard rinds and intact stems and store them cool and dry. Keep root vegetables cold and humid in the crisper, and store sweet potatoes warm and dry rather than in the fridge. The autumn table is at its richest now.
Night Sky This Month
October's longer, cooler, often clearer nights make for fine stargazing in Maryland. The Summer Triangle sinks toward the west after dark, and the autumn sky takes over — the Great Square of Pegasus rides high, the Andromeda Galaxy stands near the zenith for an easy binocular look, and the watery constellations of Pisces, Aquarius, and Cetus sprawl across the south. The Double Cluster in Perseus and the Pleiades climb in the northeast.
The Orionid meteor shower, debris from Halley's Comet, peaks in the predawn hours around late October, sending swift, bright meteors from near Orion as he rises in the east — best after midnight from a dark site like Assateague Island or the Garrett County highlands. Orion's return signals the coming of the winter sky. The dark coastal and mountain horizons give the clearest views, away from the Baltimore–Washington glow. The printable Maryland night-sky guide lists this year's exact Orionid peak date, planet positions, and the dark-sky sites near you.
Butterflies & Pollinators
October sees the last of Maryland's butterfly year, and the final act belongs to the monarch. The tail of the great migration still crosses the coast early in the month — on a warm day with a northwest wind, Assateague Island and the Eastern Shore points can hold late streaming and roosting monarchs fueling on the last seaside goldenrod and aster before pushing south. After mid-month the cold thins them to stragglers, and the migration moves on toward Mexico.
A few hardy species linger on warm afternoons. Common buckeyes, orange and clouded sulphurs, cabbage whites, American and painted ladies, red admirals, and the odd question mark or comma still nectar at the last asters and garden flowers. As the frosts come, the mourning cloak, comma, and question mark seek out their winter shelter under bark and in woodpiles, where they will overwinter as adults. By month's end the cold has all but ended the flying season across most of the state. Leaving the leaf litter and standing stems protects next year's broods.
What to plant for them is in the Maryland native plants guide
Trees This Month
October is the climax of fall color in Maryland. The western mountains of Garrett and Allegany counties peak first and brightest in early-to-mid month, the sugar maples blazing orange and scarlet, the birches and tulip poplars gold, and the red maples crimson among the dark hemlocks and pines. The color then sweeps eastward and downhill into the Piedmont and across the Coastal Plain through the month.
The full palette opens — the red maples flame scarlet, the white and scarlet oaks turn deep red and russet, the hickories and beeches glow gold, the sweetgum wears every color at once, and the blackgum finishes its long crimson burn. The flowering dogwoods go wine-red with bright fruit, and the sassafras turns orange, yellow, and red on a single tree. On the Eastern Shore, the baldcypress in the swamps turns rusty orange before dropping its needles, and the loblolly pines hold the only green. The leaves fall steadily through the cool, bright days.
The Maryland native plants guide covers what grows with them
Weather & Daylight
Across Maryland, a typical October day averages a high near 68°F and a low near 46°F, with about 3.8 inches of precipitation — statewide averages from the 1991–2020 U.S. climate normals.
Crisp autumn settles in, mild upper-60s afternoons and chilly upper-40s nights make for classic sweater weather.
| Average high | 68°F |
|---|---|
| Average low | 46°F |
| Precipitation | 3.8 in |
| Sunrise (mid-month) | 7:16 ET |
| Sunset (mid-month) | 18:29 ET |
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 (ET).
Next month's version of this page, by email
One short note when Maryland's next month turns — what's arriving, blooming, and worth a night outside.
Go deeper with the Maryland guides
The complete Maryland birding, native-plant, and night-sky references — or the whole year, week by week, in one book.
Same month elsewhere: October in Massachusetts · October in Michigan · October in Minnesota