Socorro, New Mexico, sits in USDA hardiness zone 7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
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 Socorro, 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 Socorro 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 Socorro — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Socorro — the short answer
Socorro, New Mexico: USDA zone 7b, about 219 days between hard freezes, across 9K acres of city.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 31
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~219
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 9K 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 Socorro's average, not your lot's — a low corner or a tree line moves it. Against Socorro's 219-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Socorro
Each reading below is measured for Socorro itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSocorro 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
MeasuredSocorro 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 Socorro is in
Socorro sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Socorro's own centroid rather than borrowed from Socorro County.
What Grows in Socorro
Every plant below cleared Socorro's own zone 7b and its 219-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Socorro?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 31 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 5 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near Socorro
Closest first, within ~10 miles of Socorro. Listing isn't leaking, and distance isn't exposure.
- 03S.01W.14.221Nitrate · 450 ft
- 03S.01W.11.400Nitrate · 1600 ft
- LESEBERGS AUTO AND TOWINGBrownfields · 1900 ft
- TEXACO STATION BUnderground Storage Tanks · 2000 ft
- AMJ PARTNERSHIPUnderground Storage Tanks · 2000 ft
- 03S.01W.14.421Nitrate · 2100 ft
- SOCORRO PETROLEUMUnderground Storage Tanks · 2400 ft
- SOCORRO BULK PLANTUnderground Storage Tanks · 2400 ft
- 03S.01W.14.122Nitrate · 2500 ft
- X-BOW SYSTEMS SOCORRO SITEBrownfields · 0.6 mi
- NEW MEXICO INSTITUTE OF MINING AND TECHNOLOGY/EMRTCBrownfields · 0.6 mi
- 03S.01W.11.344Nitrate · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Socorro'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 Socorro.
Sources Checked
within ~10 miles of Socorro
Severity Distribution
within ~10 miles of Socorro
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Socorro, two things run higher than the national average within ~10 miles of Socorro — Nitrate (182 sites) and Superfund (7 sites). That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Socorro
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 Socorro average
Your land is one point inside Socorro
Everything above resolves to Socorro as a whole — one PHZM band and one 28°F frost record, read across 9K 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 Socorro Average
Socorro Average
- ●USDA Zones 7b, averaged across Socorro
- ●One soil character for all of Socorro
- ●Frost dates read at Socorro's scale: Mar 31 to Nov 5
YOUR Parcel
- ✓Your exact zone, not Socorro's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Socorro
Pull a site-specific report for your exact address in Socorro, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Socorro averages can't show:
We read public map data around Socorro — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Socorro average
How we know this about Socorro
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 Socorro’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 Socorro
When does frost risk typically end in Socorro?
The last hard freeze (28°F) in Socorro typically lands around Mar 31, 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 21.
When is the first frost in Socorro?
The first hard freeze (28°F) in Socorro typically arrives around Nov 5, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 22, so the watching starts about Oct 6 — about 219 days after the spring freeze cleared.
How long is the growing season in Socorro?
Measured between 28°F hard freezes, Socorro sees about 219 frost-free days — roughly Mar 31 through Nov 5, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 21 to Oct 22, about 184 days.
Is the soil safe to grow vegetables in Socorro?
The federal record around Socorro is a meaningful one — 281 documented sites, mostly Nitrate entries (182), the nearest Nitrate record under a tenth of a mile out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Socorro?
From about Oct 6 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 5 (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 5. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Socorro's scale — its 7b band and its 219-day season. Your yard writes its own version of Socorro'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 Socorro’s own scale
6 of the readings below were taken at Socorro's own scale — its own ~219-day season between 28°F freezes, the 9,251 acres it covers and 281 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Socorro's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Socorro's own 28°F hard-freeze dates, about Mar 31 and Nov 5 and the ~219-day span between themNOAA 1991–2020 Climate Normals
- 281 documented contamination sites on the federal record near Socorro, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Socorro's boundary and the 9,251 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~219-day seasonGrowable Ground crop-matching engine
- The ecoregion at Socorro's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Socorro's 9,251 acres read through its county's SSURGO summaryfrom Socorro County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Socorro 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 Socorro County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Socorro's 9,251 acreswhy one lot differs from the next →
- Which side of Socorro you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 9,251 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Socorro-wide figureread your own land →