Green City, Missouri, sits in USDA hardiness zone 5b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Crops well matched to these conditions include cabbage, cranberry, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Green City, 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 Green City 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 Green City — soil, climate, flood, and parcel records. How we handle your address.
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Green City — the short answer
Green City, Missouri: USDA zone 5b, about 202 days between hard freezes, across 916 acres of city.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~202
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 916 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 5b is Green City's average, not your lot's — a low corner or a tree line moves it. Against Green City's 202-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Green City
Each reading below is measured for Green City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGreen City runs about 202 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
MeasuredGreen City sits in USDA hardiness zone 5b.
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 Green City is in
Green City sits in the Central Irregular Plains — EPA Level III, inside the wider Great Plains. That is read at Green City's own centroid rather than borrowed from Sullivan County.
What Grows in Green City
Every plant below cleared Green City's own zone 5b and its 202-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in Green City?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 26 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
What's on the federal record near Green City
Closest first, within ~10 miles of Green City. Listing isn't leaking, and distance isn't exposure.
- PRIVITT'S MFA SERVICEUnderground Storage Tanks · 2200 ft
- CO-OP OIL & GAS COUnderground Storage Tanks · 2600 ft
- MFA PROPANEUnderground Storage Tanks · 2600 ft
- GREEN CITY MAINT LOTUnderground Storage Tanks · 1.0 mi
- PHILLIP SMITHCAFO · 1.8 mi
- SHAFER FARMSCAFO · 4.5 mi
- SMITHFIELD, VALLEY VIEW FARMCAFO · 5.0 mi
- L AND D FARMSCAFO · 5.1 mi
- T63N R19W 29ACC1Nitrate · 5.2 mi
- SMITHFIELD, GREEN HILLS FARMCAFO · 6.3 mi
- LAWRENCE VASEYCAFO · 8.4 mi
- KING FARMSCAFO · 8.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Green City'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 Green City.
Total Sites
34
within ~10 miles of Green City
Risk Level
Low
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Green City
Severity Distribution
within ~10 miles of Green City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Green City, CAFO runs higher than the national average — 9 sites within ~10 miles of Green City. That's not a problem with your land — it's information about it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in Green City
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 Green City average
Your land is one point inside Green City
Everything above resolves to Green City as a whole — one PHZM band and one 28°F frost record, read across 916 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 city 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 Green City Average
Green City Average
- ●USDA Zones 5b, averaged across Green City
- ●One soil character for all of Green City
- ●Frost dates read at Green City's scale: Apr 7 to Oct 26
YOUR Parcel
- ✓Your exact zone, not Green City's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Green City
Pull a site-specific report for your exact address in Green City, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Green City averages can't show:
We read public map data around Green City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Green City average
How we know this about Green City
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Green City’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 city grain anywhere on this page — there is no city-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 Green City
When does frost risk typically end in Green City?
The last hard freeze (28°F) in Green City typically lands around Apr 7, 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 28.
When is the first frost in Green City?
The first hard freeze (28°F) in Green City typically arrives around Oct 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 12, so the watching starts about Sep 26 — about 202 days after the spring freeze cleared.
How long is the growing season in Green City?
Measured between 28°F hard freezes, Green City sees about 202 frost-free days — roughly Apr 7 through Oct 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 28 to Oct 12, about 167 days.
Is the soil safe to grow vegetables in Green City?
The federal record around Green City is light — 34 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (12), the nearest Underground Storage Tanks record about 0.4 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Green City?
From about Sep 26 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 Oct 26 (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 Oct 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Green City's scale — its 5b band and its 202-day season. Your yard writes its own version of Green City'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 Green City’s own scale
6 of the readings below were taken at Green City's own scale — its own ~202-day season between 28°F freezes, the 916 acres it covers and 34 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Green City's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Green City's own 28°F hard-freeze dates, about Apr 7 and Oct 26 and the ~202-day span between themNOAA 1991–2020 Climate Normals
- 34 documented contamination sites on the federal record near Green City, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Green City's boundary and the 916 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~202-day seasonGrowable Ground crop-matching engine
- The ecoregion at Green City's own centroid, the Central Irregular PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Green City's 916 acres read through its county's SSURGO summaryfrom Sullivan County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Sullivan 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 Sullivan County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Green City's 916 acreswhy one lot differs from the next →
- Which side of Green City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 916 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Green City-wide figureread your own land →