Green Ridge, Missouri, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Green Ridge, 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 Ridge 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 Ridge — soil, climate, flood, and parcel records. How we handle your address.
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Green Ridge — the short answer
Green Ridge, Missouri: USDA zone 6b, about 219 days between hard freezes, across 275 acres of city.
- USDA zone
- 6b
- 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 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~219
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 275 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 6b is Green Ridge's average, not your lot's — a low corner or a tree line moves it. Against Green Ridge's 219-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Green Ridge
Each reading below is measured for Green Ridge itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGreen Ridge runs about 219 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 Ridge sits in USDA hardiness zone 6b.
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 Ridge is in
Green Ridge sits in the Central Irregular Plains — EPA Level III, inside the wider Great Plains. That is read at Green Ridge's own centroid rather than borrowed from Pettis County.
What Grows in Green Ridge
Every plant below cleared Green Ridge's own zone 6b and its 219-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in Green Ridge?
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 3 — 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.
Documented around Green Ridge
Survey cells within 31 miles of Green Ridge checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 349 miles off. What to watch for.
What's on the federal record near Green Ridge
Closest first, within ~10 miles of Green Ridge. Listing isn't leaking, and distance isn't exposure.
- CASEYS GENERAL STORE #1449Underground Storage Tanks · 250 ft
- T44N R23W 01CAA1Nitrate · 1400 ft
- WHITEMAN AFB FOXTROT-2Underground Storage Tanks · 2.3 mi
- PLUMA VIA FARMCAFO · 2.3 mi
- LARRY WILSON AND WILLIAMCAFO · 2.3 mi
- EILKS, KEVIN AND CARRIECAFO · 2.4 mi
- PURCHASE POULTRY PRIDECAFO · 3.4 mi
- WHITEMAN AFB FOXTROT-11Underground Storage Tanks · 3.4 mi
- SP AKER-HASLAG POULTRY, LLCCAFO · 3.8 mi
- CRAWDADDY FARMSCAFO · 3.9 mi
- H AND M FARMS LLCCAFO · 4.0 mi
- CHANTICLEER RANCH INC.CAFO · 4.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Green Ridge'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 Ridge.
Total Sites
132
within ~10 miles of Green Ridge
Risk Level
Moderate
Highest-severity
10 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Green Ridge
Severity Distribution
within ~10 miles of Green Ridge
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Green Ridge, two things run higher than the national average within ~10 miles of Green Ridge — CAFO (23 sites) and Toxics Release Inventory (10 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Green Ridge
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 Ridge average
Your land is one point inside Green Ridge
Everything above resolves to Green Ridge as a whole — one PHZM band and one 28°F frost record, read across 275 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 Ridge Average
Green Ridge Average
- ●USDA Zones 6b, averaged across Green Ridge
- ●One soil character for all of Green Ridge
- ●Frost dates read at Green Ridge's scale: Mar 29 to Nov 3
YOUR Parcel
- ✓Your exact zone, not Green Ridge's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Green Ridge
Pull a site-specific report for your exact address in Green Ridge, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Green Ridge averages can't show:
We read public map data around Green Ridge — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Green Ridge average
How we know this about Green Ridge
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 Ridge’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 Ridge
When does frost risk typically end in Green Ridge?
The last hard freeze (28°F) in Green Ridge 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 Green Ridge?
The first hard freeze (28°F) in Green Ridge typically arrives around Nov 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 20, so the watching starts about Oct 4 — about 219 days after the spring freeze cleared.
How long is the growing season in Green Ridge?
Measured between 28°F hard freezes, Green Ridge sees about 219 frost-free days — roughly Mar 29 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 20, about 184 days.
Is the soil safe to grow vegetables in Green Ridge?
The federal record around Green Ridge shows 132 documented sites, mostly Underground Storage Tanks entries (57), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Green Ridge?
From about Oct 4 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Green Ridge's scale — its 6b band and its 219-day season. Your yard writes its own version of Green Ridge'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 Ridge’s own scale
7 of the readings below were taken at Green Ridge's own scale — its own ~219-day season between 28°F freezes, the 275 acres it covers and 132 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Green Ridge's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Green Ridge's own 28°F hard-freeze dates, about Mar 29 and Nov 3 and the ~219-day span between themNOAA 1991–2020 Climate Normals
- 132 documented contamination sites on the federal record near Green Ridge, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Green Ridge's boundary and the 275 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~219-day seasonGrowable Ground crop-matching engine
- The ecoregion at Green Ridge's own centroid, the Central Irregular PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Green Ridge checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Green Ridge's 275 acres read through its county's SSURGO summaryfrom Pettis County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pettis 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 Pettis County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Green Ridge's 275 acreswhy one lot differs from the next →
- Which side of Green Ridge you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 275 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Ridge-wide figureread your own land →
More in Missouri
Wider growing context
What grows across MissouriGreen Ridge sits outside our named growing regions, so Missouri as a whole is its closest context here.
Nearby growing guides