Senath, Missouri, sits in USDA hardiness zone 7b — a zone band wide enough that plant choice, not possibility, is the interesting question.
On paper, cabbage, prickly pear, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Senath, 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 Senath 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 Senath — soil, climate, flood, and parcel records. How we handle your address.
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Senath — the short answer
Senath, Missouri: USDA zone 7b, about 260 days between hard freezes, across 1K acres of city.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 8
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~260
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 1K 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 7b is Senath's average, not your lot's — a low corner or a tree line moves it. Against Senath's 260-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Senath
Each reading below is measured for Senath itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSenath runs about 260 days between hard freezes — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredSenath sits in USDA hardiness zone 7b.
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 Senath is in
Senath sits in the Mississippi Alluvial Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Senath's own centroid rather than borrowed from Dunklin County.
What Grows in Senath
Every plant below cleared Senath's own zone 7b and its 260-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in Senath?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 8; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
What's on the federal record near Senath
Closest first, within ~10 miles of Senath. Listing isn't leaking, and distance isn't exposure.
- JOHN L. HADDONUnderground Storage Tanks · 200 ft
- WYATT'S SINCLAIRUnderground Storage Tanks · 800 ft
- T17N R08E 02DCD01Nitrate · 900 ft
- MIDWAY #2(BREWER BROTHERS SINCLAIR)Underground Storage Tanks · 1000 ft
- T17N R08E 02DCD1Nitrate · 1100 ft
- FORMER COTTON PATCH STOREUnderground Storage Tanks · 1200 ft
- OZBUN SERVICE STATIONUnderground Storage Tanks · 1300 ft
- T17N R08E 02DCDNitrate · 1800 ft
- T17N R08E 01CCB1Nitrate · 1800 ft
- CASEYS GENERAL STORE #2255Underground Storage Tanks · 2400 ft
- HO BOS CITGO STATIONUnderground Storage Tanks · 0.6 mi
- RAINES OIL COUnderground Storage Tanks · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Senath'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 Senath.
Total Sites
106
within ~10 miles of Senath
Risk Level
Moderate
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Senath
Severity Distribution
within ~10 miles of Senath
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Senath, Nitrate runs higher than the national average — 46 sites within ~10 miles of Senath. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Senath
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 Senath average
Your land is one point inside Senath
Everything above resolves to Senath as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Senath Average
Senath Average
- ●USDA Zones 7b, averaged across Senath
- ●One soil character for all of Senath
- ●Frost dates read at Senath's scale: Mar 8 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Senath's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Senath
Pull a site-specific report for your exact address in Senath, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Senath averages can't show:
We read public map data around Senath — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Senath average
How we know this about Senath
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 Senath’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 Senath
When does frost risk typically end in Senath?
The last hard freeze (28°F) in Senath typically lands around Mar 8, 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 Mar 29.
When is the first frost in Senath?
The first hard freeze (28°F) in Senath typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 260 days after the spring freeze cleared.
How long is the growing season in Senath?
Measured between 28°F hard freezes, Senath sees about 260 frost-free days — roughly Mar 8 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 29 to Nov 9, about 225 days.
Is the soil safe to grow vegetables in Senath?
The federal record around Senath shows 106 documented sites, mostly Underground Storage Tanks entries (49), 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 Senath?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Senath's scale — its 7b band and its 260-day season. Your yard writes its own version of Senath'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 Senath’s own scale
6 of the readings below were taken at Senath's own scale — its own ~260-day season between 28°F freezes, the 1,231 acres it covers and 106 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Senath's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Senath's own 28°F hard-freeze dates, about Mar 8 and Nov 23 and the ~260-day span between themNOAA 1991–2020 Climate Normals
- 106 documented contamination sites on the federal record near Senath, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Senath's boundary and the 1,231 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~260-day seasonGrowable Ground crop-matching engine
- The ecoregion at Senath's own centroid, the Mississippi Alluvial PlainUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Senath's 1,231 acres read through its county's SSURGO summaryfrom Dunklin County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Dunklin 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 Dunklin County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Senath's 1,231 acreswhy one lot differs from the next →
- Which side of Senath you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,231 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 Senath-wide figureread your own land →