River Bend, Missouri, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Among the crops suited to this profile: cabbage, blueberry, lavender, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in River Bend, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single River Bend lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around River Bend — soil, climate, flood, and parcel records. How we handle your address.
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River Bend — the short answer
River Bend, Missouri: USDA zone 6a, about 226 days between hard freezes, across 973 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~226
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 973 acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 6a is River Bend's average, not your lot's — a low corner or a tree line moves it. Against River Bend's 226-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in River Bend
Each reading below is measured for River Bend itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredRiver Bend runs about 226 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredRiver Bend sits in USDA hardiness zone 6a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country River Bend is in
River Bend sits in the Western Corn Belt Plains — EPA Level III, inside the wider Great Plains. That is read at River Bend's own centroid, and it is not what its county reads: Jackson County is mostly Central Irregular Plains. The wider page above you is answering a different question about different ground.
What Grows in River Bend
Every plant below cleared River Bend's own zone 6a and its 226-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in River Bend?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near River Bend
Closest first, within ~10 miles of River Bend. Listing isn't leaking, and distance isn't exposure.
- INDEPENDENCE 23BNitrate · 2300 ft
- INDEPENDENCE 23CNitrate · 2300 ft
- INDEPENDENCE 23ANitrate · 2300 ft
- DIESEL SOLUTIONS LLCBrownfields · 2500 ft
- INDEPENDENCE 21CNitrate · 0.5 mi
- INDEPENDENCE 21ANitrate · 0.5 mi
- INDEPENDENCE 21BNitrate · 0.5 mi
- INDEPENDENCE 22CNitrate · 0.5 mi
- INDEPENDENCE 22ANitrate · 0.5 mi
- INDEPENDENCE 22BNitrate · 0.5 mi
- INDEPENDENCE 24BNitrate · 0.6 mi
- INDEPENDENCE 24CNitrate · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from River Bend's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near River Bend.
Sources Checked
within ~10 miles of River Bend
Severity Distribution
within ~10 miles of River Bend
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around River Bend, Toxics Release Inventory runs higher than the national average — 101 sites within ~10 miles of River Bend. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in River Bend
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the River Bend average
Your land is one point inside River Bend
Everything above resolves to River Bend as a whole — one PHZM band and one 28°F frost record, read across 973 acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the River Bend Average
River Bend Average
- ●USDA Zones 6a, averaged across River Bend
- ●One soil character for all of River Bend
- ●Frost dates read at River Bend's scale: Mar 29 to Nov 10
YOUR Parcel
- ✓Your exact zone, not River Bend's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in River Bend
Pull a site-specific report for your exact address in River Bend, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that River Bend averages can't show:
We read public map data around River Bend — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the River Bend average
How we know this about River Bend
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at River Bend’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about River Bend
When does frost risk typically end in River Bend?
The last hard freeze (28°F) in River Bend typically lands around Mar 29, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 19.
When is the first frost in River Bend?
The first hard freeze (28°F) in River Bend typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 226 days after the spring freeze cleared.
How long is the growing season in River Bend?
Measured between 28°F hard freezes, River Bend sees about 226 frost-free days — roughly Mar 29 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 27, about 191 days.
Is the soil safe to grow vegetables in River Bend?
The federal record around River Bend runs heavier than most — 1,299 documented sites, mostly Underground Storage Tanks entries (584), the nearest Nitrate record about 0.4 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in River Bend?
From about Oct 11 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 10 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at River Bend's scale — its 6a band and its 226-day season. Your yard writes its own version of River Bend's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at River Bend’s own scale
6 of the readings below were taken at River Bend's own scale — its own ~226-day season between 28°F freezes, the 973 acres it covers and 1,299 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- River Bend's own USDA hardiness band, zones 6aUSDA PHZM 2023
- River Bend's own 28°F hard-freeze dates, about Mar 29 and Nov 10 and the ~226-day span between themNOAA 1991–2020 Climate Normals
- 1,299 documented contamination sites on the federal record near River Bend, the closest Nitrate record about 0.4 miles out from the town centreFederal environmental registers
- River Bend's boundary and the 973 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~226-day seasonGrowable Ground crop-matching engine
- River Bend sits in the Western Corn Belt Plains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so River Bend's 973 acres read through its county's SSURGO summaryfrom Jackson County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Jackson County
- The growing challenges every Missouri grower plans around — written at state scale, so they stay on the state guidefrom Missouri
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Jackson County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among River Bend's 973 acreswhy one lot differs from the next →
- Which side of River Bend you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 973 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.4 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any River Bend-wide figureread your own land →
More in Missouri
Wider growing context
What grows across MissouriRiver Bend sits outside our named growing regions, so Missouri as a whole is its closest context here.
Nearby growing guides