July is the deep, humid heart of a Missouri summer — the prairies reach their tallgrass peak, the gardens overflow with tomatoes and sweet corn, and the warm nights glow with fireflies and ring with cicadas. Wildlife slows in the midday heat but stays active at the cooler edges of the day.
Week by week in July
July 2–8
- The tallgrass prairies peak with coneflower, compass plant, and the rising purple spikes of blazing star.
- Vine-ripe tomatoes, sweet corn, and fragrant Missouri peaches reach the markets in force.
- The summer Milky Way arches from the Summer Triangle down to the rich star clouds of Sagittarius and Scorpius.
- Regal fritillaries fly on the high-quality tallgrass prairie remnants, a Missouri prairie specialty.
July 9–15
- The first southbound shorebirds trickle through drawn-down wetlands; for them, autumn migration starts in July.
- Wild bergamot, ironweed, and the first Joe-Pye weed fill the roadsides and moist swales.
- Melons join the abundance as cantaloupe and watermelon ripen in the warm south.
- Start fall broccoli and cabbage seeds in a cool, shaded spot for transplanting in August.
July 16–22
- American lotus spreads great yellow blooms above its huge round leaves on the big-river oxbows and at Mingo.
- Red-spotted purples and hackberry emperors patrol the woods, drawn to tree sap and damp ground.
- Okra, eggplant, and the full flush of summer squash, cucumbers, and beans crowd the tables.
- Red Antares marks the heart of Scorpius low in the south as the galaxy's center stretches across the sky.
July 23–29
- Ruby-throated hummingbirds reach peak abundance at feeders, bee balm, and trumpet creeper as the young fledge.
- Rattlesnake master and prairie blazing star carry the glade and prairie bloom through the midsummer heat.
- Pull spent, disease-prone summer plants and keep watering deeply in the early morning through the heat.
- Common buckeyes and a profusion of grass skippers work the prairie flowers in the summer heat.
Birds This Month
July is a quieter birding month in Missouri as the breeding season winds down, but the woods and prairies are full of young birds and the first signs of the next migration. The dawn song fades in the heat, though red-eyed vireos, indigo buntings, and dickcissels keep singing through the warm days. Feeders and yards fill with fledglings — young cardinals, bluebirds, woodpeckers, and chickadees begging from their parents.
Ruby-throated hummingbirds are busy at feeders and on the bee balm and trumpet creeper, and their numbers climb as the year's young join the adults. Chimney swifts and barn swallows wheel over the towns and fields catching insects, and the scissor-tailed flycatchers of the western edge are feeding young on the wires. In the Bootheel, the Mississippi kites hawk dragonflies overhead and the great and cattle egrets work the wet fields.
The first hints of fall migration appear late in the month: shorebirds begin trickling south through mudflats and drawn-down wetlands — the earliest lesser yellowlegs, pectoral sandpipers, and least sandpipers — a reminder that for these birds, autumn starts in July. Eastern whip-poor-wills still call on the warm Ozark nights.
This month's tip: bird at dawn or dusk to beat the heat, and keep your hummingbird feeders clean and fresh — sugar water spoils fast in July heat, so change it every few days. Drawn-down wetlands like Eagle Bluffs and Squaw Creek pools are the place for early shorebirds.
What's Blooming
July is the tallgrass-prairie peak in Missouri, when the western grasslands reach their summer fullness and the bloom shifts to the tall, sun-loving species. The prairies blaze with purple coneflower, black-eyed Susan, gray-headed coneflower, rosinweed, and the towering yellow compass plant, while the first blazing star (gayfeather) sends up its purple spikes among the deepening grasses.
The roadsides and old fields fill with wild bergamot (bee balm), butterfly milkweed, common milkweed, Queen Anne's lace, and the first ironweed and Joe-Pye weed in the moist swales. On the Ozark glades, the Missouri evening primrose finishes while rattlesnake master, prairie blazing star, and wild quinine carry on. In the wetlands and oxbows, the American lotus spreads great yellow blooms above its huge round leaves, and the fragrant water lily floats white on the backwaters.
Where to see it: the western prairies — Prairie State Park, Taberville, and Wah'Kon-Tah — are at their tallgrass best now, alive with butterflies and prairie birds among the flowers. Go early in the morning before the day's heat and humidity build. The American lotus beds on the big-river oxbows and at swamps like Mingo are a spectacular July sight.
Garden This Month
July is the Missouri garden's harvest peak and its hardest test of the gardener's stamina. The warm-season crops are in full production — tomatoes, peppers, sweet corn, beans, squash, cucumbers, and the first okra all come on fast, and the central task is simply keeping up with the daily harvest to keep the plants producing. Pick zucchini and cucumbers small, beans tender, and tomatoes as they color.
Surviving the heat is the other half of the job. Water deeply in the early morning rather than shallowly and often, keep the mulch thick to hold moisture and cool the roots, and watch closely for the pests and diseases that thrive in Missouri's humid heat — squash bugs, hornworms, Japanese beetles, and the fungal blights that creep up tomato plants. Surprisingly, late July is also when the fall garden begins: start seeds of broccoli, cabbage, and other fall brassicas now, in a cool, shaded spot, for transplanting into the garden in August. Pull spent, exhausted spring plantings to make room.
Zone 6a (central Missouri): peak harvest and heat management. Pick tomatoes, beans, squash, cucumbers, and the first sweet corn daily, water deeply in the morning, and keep mulch thick. Start fall brassica seeds indoors or in a shaded bed late in the month for transplanting in August, and pull spent spring crops.
Zone 6b (southern Ozarks and St. Louis area): the garden runs hard through midsummer heat. Harvest constantly, water deeply and consistently to prevent blossom-end rot and cracking, and provide shade for any seedlings. Plant heat-tolerant okra and southern peas, and begin planning the fall garden as the month closes.
Zone 7a (Bootheel): full summer harvest in the state's hottest corner. Keep up with okra, southern peas, peppers, and the daily tomato and bean picking, watch closely for heat and humidity-driven pests and disease, and water deeply. Late July is the time to start fall crops from seed for an August transplant.
What's at the Farmers Market
July is the lush peak of the Missouri market year, overflowing with summer abundance. The signature crops arrive in force: vine-ripe tomatoes of every color, the first golden sweet corn, and the famous Missouri peaches, juicy and fragrant from the southern orchards. Blackberries are at their dark, sweet peak, and blueberries continue alongside the first melons — cantaloupe and watermelon — from the warm south.
The vegetable tables are loaded: summer squash, zucchini, cucumbers, green beans, peppers, the first eggplant and okra, new potatoes, onions, garlic, and fresh herbs. Look for Hermann and Augusta area produce from the wine-country river bluffs, and an explosion of cut flowers.
For selection and storage: choose corn with plump kernels, moist silk, and tight green husks, and refrigerate it in the husk to keep the sugar from converting to starch. Pick peaches that are fragrant and give slightly at the stem; ripen them on the counter and then refrigerate. Store tomatoes at room temperature, never cold. Choose heavy melons with a creamy ground spot and a hollow thump. Refrigerate berries dry and unwashed, and use everything quickly at its summer peak.
Night Sky This Month
July nights are warm and the summer sky is in full glory. The Summer Triangle of Vega, Deneb, and Altair rides high in the east and overhead, and the great river of the summer Milky Way arches from the northeast down through Cygnus and Aquila to the rich star clouds of Sagittarius and Scorpius low in the south. This is the direction of our galaxy's center, the densest and most rewarding stretch of the Milky Way visible from Missouri.
Red Antares marks the heart of the curving Scorpion, and the teapot of Sagittarius pours its spout into the brightest Milky Way star clouds, where binoculars reveal a wealth of nebulae and star clusters — the Lagoon, the Trifid, and the great globular clusters. The orange star Arcturus still hangs in the west. There is no major meteor shower at its peak this month, though the long, slow buildup to the Perseids begins in the second half of July with a few early meteors.
The dark Ozark skies are at their summer best now, far from the city glow, and a clear, moonless July night reveals the Milky Way in breathtaking detail. Bring insect protection for the warm, humid evenings. Because the planets shift each year, check the printable Missouri night-sky guide for this year's planet visibility and the best moonless viewing nights from your latitude.
Butterflies & Pollinators
July is one of the richest butterfly months in Missouri, when the summer broods reach full strength on the blooming prairies and glades. The great spangled fritillary is at its peak, nectaring heavily on coneflower, milkweed, and bee balm, and the big swallowtails — eastern tiger, black, spicebush, pipevine, and zebra — sail through gardens and woodland edges.
The prairies hum with smaller species: a profusion of grass skippers, silver-spotted skippers, pearl crescents, common buckeyes, monarchs of the summer generation on the milkweed, and the variegated and regal fritillaries, the latter a prairie specialist that survives in Missouri's high-quality tallgrass remnants. Red-spotted purples, hackberry and tawny emperors, and question marks patrol the woods, often drawn to tree sap and damp ground.
To support them now: July's prairie and garden bloom — purple coneflower, blazing star, butterfly milkweed, wild bergamot, and the first ironweed — is a butterfly feast. Letting milkweed and native flowers stand through the heat sustains the building monarch population and the prairie fritillaries. A shallow puddling spot in the garden draws swallowtails and skippers to drink on hot afternoons.
What to plant for them is in the Missouri native plants guide
Trees This Month
July is a quiet month in the Missouri tree calendar, with the forest in full, mature summer foliage and most of the flowering long finished. The growth has slowed as the trees settle into the heat, and the canopy is dense and dark green. A few late bloomers add interest — the lingering American basswood (linden) in the moist woods and valleys hangs its drooping clusters of fragrant pale-yellow flowers, prized by bees, and the buttonbush opens its spherical white pincushion flowers along the wet edges of swamps and streams.
The year's fruit and nut crop is developing fast. The oaks and hickories carry their swelling acorns and nuts, the black walnuts hold their green husks, the pawpaws are filling out in the bottomland shade, and the persimmons ripen slowly toward their fall softening. On the Ozark glades, the stunted post oaks and eastern red cedars endure the baking heat. The shortleaf pine stands deep green on the ridges. The forest's whole effort now goes into ripening the crop that will feed the wildlife through the coming fall and winter.
The Missouri native plants guide covers what grows with them
Weather & Daylight
Across Missouri, a typical July day averages a high near 88°F and a low near 67°F, with about 4.3 inches of precipitation — statewide averages from the 1991–2020 U.S. climate normals.
Peak summer swelter, with highs near 88 and muggy nights barely cooling to 67 making the evenings feel heavy.
| Average high | 88°F |
|---|---|
| Average low | 67°F |
| Precipitation | 4.3 in |
| Sunrise (mid-month) | 5:58 CT |
| Sunset (mid-month) | 20:34 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 Missouri's next month turns — what's arriving, blooming, and worth a night outside.
Go deeper with the Missouri guides
The complete Missouri birding, native-plant, and night-sky references — or the whole year, week by week, in one book.
Same month elsewhere: July in Montana · July in Nebraska · July in Nevada