Carthage, Texas, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Carthage, 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 Carthage 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 Carthage — soil, climate, flood, and parcel records. How we handle your address.
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Carthage — the short answer
Carthage, Texas: USDA zone 8b, about 280 days between hard freezes, across 7K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 22
- Panola County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 29
- Panola County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~280
- Panola County normal — NOAA 1991–2020, nearest to this town
- City area
- 7K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Panola County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Carthage's average, not your lot's — a low corner or a tree line moves it. Against Carthage's 280-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Carthage
Each reading below is measured for Carthage itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCarthage runs about 280 days between hard freezes (read from Panola County, the closest normal to Carthage) — 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
MeasuredCarthage sits in USDA hardiness zone 8b.
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 Carthage is in
Carthage sits in the South Central Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Carthage's own centroid rather than borrowed from Panola County.
What Grows in Carthage
Every plant below cleared Carthage's own zone 8b and its 280-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Carthage?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 29 — 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 Carthage
Closest first, within ~10 miles of Carthage. Listing isn't leaking, and distance isn't exposure.
- JOFFRION SAMARITAN HOUSEUnderground Storage Tanks · 250 ft
- SUE B PARISHUnderground Storage Tanks · 350 ft
- JAMES D WOODSUnderground Storage Tanks · 600 ft
- NWE 8Underground Storage Tanks · 700 ft
- TEXAS NATIONAL GUARD ARMORYUnderground Storage Tanks · 750 ft
- CARTHAGE TIE & LUMBERUnderground Storage Tanks · 750 ft
- FARMERS LP GASUnderground Storage Tanks · 1100 ft
- TEXACO STATION 206 S SHELBYUnderground Storage Tanks · 1200 ft
- HUMMADIS FINAUnderground Storage Tanks · 1200 ft
- PYRAMID MECHANICALUnderground Storage Tanks · 1400 ft
- MIGUEL VILLAREALUnderground Storage Tanks · 1500 ft
- LITTLE NUTT OILUnderground Storage Tanks · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Carthage'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 Carthage.
Total Sites
172
within ~10 miles of Carthage
Risk Level
Moderate
Highest-severity
15 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Carthage
Severity Distribution
within ~10 miles of Carthage
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Carthage, two things run higher than the national average within ~10 miles of Carthage — Toxics Release Inventory (15 sites) and Underground Storage Tanks (126 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Carthage
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 Carthage average
Your land is one point inside Carthage
Everything above resolves to Carthage as a whole — one PHZM band, read across 7K acres, with hard-freeze dates borrowed from Panola County’s record because no 30-year normal resolves at this city’s own centroid. 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 Carthage Average
Carthage Average
- ●USDA Zones 8b, averaged across Carthage
- ●One soil character for all of Carthage
- ●Frost dates read at Carthage's scale: Feb 22 to Nov 29
YOUR Parcel
- ✓Your exact zone, not Carthage's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Carthage
Pull a site-specific report for your exact address in Carthage, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Carthage averages can't show:
We read public map data around Carthage — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Carthage average
How we know this about Carthage
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 Panola County’s record, because none resolves here; 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 Carthage
When does frost risk typically end in Carthage?
The last hard freeze (28°F) in Carthage typically lands around Feb 22, 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 15.
When is the first frost in Carthage?
The first hard freeze (28°F) in Carthage typically arrives around Nov 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 15, so the watching starts about Oct 30 — about 280 days after the spring freeze cleared.
How long is the growing season in Carthage?
Measured between 28°F hard freezes, Carthage sees about 280 frost-free days — roughly Feb 22 through Nov 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 15 to Nov 15, about 245 days.
Is the soil safe to grow vegetables in Carthage?
The federal record around Carthage shows 172 documented sites, mostly Underground Storage Tanks entries (126), 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 Carthage?
From about Oct 30 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 29 (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 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Carthage's scale — its 8b band and its 280-day season. Your yard writes its own version of Carthage'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 Carthage’s own scale
5 of the readings below were taken at Carthage's own scale — the 6,822 acres it covers and 172 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Carthage's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 172 documented contamination sites on the federal record near Carthage, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Carthage's boundary and the 6,822 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~280-day seasonGrowable Ground crop-matching engine
- The ecoregion at Carthage's own centroid, the South Central PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Carthage has no normal of its own, so its county's is the closest measured readfrom Panola County
- Soil character — no town-scale survey exists, so Carthage's 6,822 acres read through its county's SSURGO summaryfrom Panola County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Panola County
- The growing challenges every Texas grower plans around — written at state scale, so they stay on the state guidefrom Texas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Panola County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Carthage's 6,822 acreswhy one lot differs from the next →
- Which side of Carthage you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 6,822 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 Carthage-wide figureread your own land →
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