Cotton City, New Mexico, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A short list that earns its place here — cabbage, fig, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Cotton 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 Cotton 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 Cotton City — soil, climate, flood, and parcel records. How we handle your address.
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Cotton City — the short answer
Cotton City, New Mexico: USDA zone 8a, about 237 days between hard freezes, across 17K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~237
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 17K 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 8a is Cotton City's average, not your lot's — a low corner or a tree line moves it. Against Cotton City's 237-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Cotton City
Each reading below is measured for Cotton City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCotton City runs about 237 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
MeasuredCotton City sits in USDA hardiness zone 8a.
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 Cotton City is in
Cotton City sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Cotton City's own centroid rather than borrowed from Hidalgo County.
What Grows in Cotton City
Every plant below cleared Cotton City's own zone 8a and its 237-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Cotton City?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Cotton City
Survey cells within 31 miles of Cotton City checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 488 miles off. What to watch for.
What's on the federal record near Cotton City
Closest first, within ~10 miles of Cotton City. Listing isn't leaking, and distance isn't exposure.
- 25S.20W.22.313Nitrate · 0.8 mi
- 25S.20W.15.244Nitrate · 1.4 mi
- COTTON CITY GROCERY AUnderground Storage Tanks · 1.5 mi
- 25S.20W.24.313Nitrate · 1.6 mi
- 25S.20W.25.334Nitrate · 1.7 mi
- 25S.20W.13.344Nitrate · 1.9 mi
- 25S.20W.13.213Nitrate · 2.3 mi
- 25S.20W.25.444Nitrate · 2.3 mi
- 25S.20W.25.444ANitrate · 2.3 mi
- 25S.20W.13.214Nitrate · 2.4 mi
- 25S.20W.10.244Nitrate · 2.4 mi
- GRAY RANCH AUnderground Storage Tanks · 2.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Cotton 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 Cotton City.
Sources Checked
within ~10 miles of Cotton City
Severity Distribution
within ~10 miles of Cotton City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Cotton City, two things run higher than the national average within ~10 miles of Cotton City — Mining (21 sites) and Nitrate (48 sites). That's not a problem with your land — it's information about it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Cotton 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 Cotton City average
Your land is one point inside Cotton City
Everything above resolves to Cotton City as a whole — one PHZM band and one 28°F frost record, read across 17K 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 Cotton City Average
Cotton City Average
- ●USDA Zones 8a, averaged across Cotton City
- ●One soil character for all of Cotton City
- ●Frost dates read at Cotton City's scale: Mar 21 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Cotton City's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Cotton City
Pull a site-specific report for your exact address in Cotton City, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Cotton City averages can't show:
We read public map data around Cotton City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Cotton City average
How we know this about Cotton City
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 Cotton 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 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 Cotton City
When does frost risk typically end in Cotton City?
The last hard freeze (28°F) in Cotton City typically lands around Mar 21, 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 11.
When is the first frost in Cotton City?
The first hard freeze (28°F) in Cotton City typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 237 days after the spring freeze cleared.
How long is the growing season in Cotton City?
Measured between 28°F hard freezes, Cotton City sees about 237 frost-free days — roughly Mar 21 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 11 to Oct 30, about 202 days.
Is the soil safe to grow vegetables in Cotton City?
The federal record around Cotton City runs heavier than most — 76 documented sites, mostly Nitrate entries (48), the nearest Nitrate record about 0.8 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 Cotton City?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Cotton City's scale — its 8a band and its 237-day season. Your yard writes its own version of Cotton 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 Cotton City’s own scale
7 of the readings below were taken at Cotton City's own scale — its own ~237-day season between 28°F freezes, the 16,524 acres it covers and 76 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Cotton City's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Cotton City's own 28°F hard-freeze dates, about Mar 21 and Nov 13 and the ~237-day span between themNOAA 1991–2020 Climate Normals
- 76 documented contamination sites on the federal record near Cotton City, the closest Nitrate record about 0.8 miles out from the town centreFederal environmental registers
- Cotton City's boundary and the 16,524 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~237-day seasonGrowable Ground crop-matching engine
- The ecoregion at Cotton City's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
- Lanternfly survey cells around Cotton City 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 Cotton City's 16,524 acres read through its county's SSURGO summaryfrom Hidalgo County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hidalgo County
- The growing challenges every New Mexico grower plans around — written at state scale, so they stay on the state guidefrom New Mexico
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Hidalgo County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Cotton City's 16,524 acreswhy one lot differs from the next →
- Which side of Cotton 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 16,524 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.8 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 Cotton City-wide figureread your own land →
More in New Mexico
Wider growing context
What grows across New MexicoCotton City sits outside our named growing regions, so New Mexico as a whole is its closest context here.
Nearby growing guides