Santa Teresa, New Mexico, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Santa Teresa, 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 Santa Teresa 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 Santa Teresa — soil, climate, flood, and parcel records. How we handle your address.
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Santa Teresa — the short answer
Santa Teresa, New Mexico: USDA zone 8b, about 274 days between hard freezes, across 6K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~274
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 6K 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 8b is Santa Teresa's average, not your lot's — a low corner or a tree line moves it. Against Santa Teresa's 274-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Santa Teresa
Each reading below is measured for Santa Teresa itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredSanta Teresa runs about 274 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
MeasuredSanta Teresa 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 Santa Teresa is in
Santa Teresa sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Santa Teresa's own centroid rather than borrowed from Doña Ana County.
What Grows in Santa Teresa
Every plant below cleared Santa Teresa's own zone 8b and its 274-day season. Each card opens that plant's New Mexico profile. How we score.






























Is it too late to plant in Santa Teresa?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 24 — 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.
Documented around Santa Teresa
Survey cells within 31 miles of Santa Teresa checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 618 miles off. What to watch for.
What's on the federal record near Santa Teresa
Closest first, within ~10 miles of Santa Teresa. Listing isn't leaking, and distance isn't exposure.
- MALLORY METAL PRODUCTSBrownfields · 1.2 mi
- STERIGENICS US, LLC - SANTA TERESABrownfields · 1.2 mi
- STERIGENICS US, LLC - SANTA TERESAToxics Release Inventory · 1.2 mi
- OMEGA WIRE INC SANTA TERESA PLANTToxics Release Inventory · 1.2 mi
- OMEGA WIRE INC SANTA TERESA PLANTBrownfields · 1.2 mi
- FXI, INC. - SANTA TERESAToxics Release Inventory · 1.2 mi
- FXI, INC. - SANTA TERESABrownfields · 1.2 mi
- THOMAS ENGINEERING COToxics Release Inventory · 1.3 mi
- STEEL TECHNOLOGIES LLCToxics Release Inventory · 1.3 mi
- ROGERS FOAM CORPORATIONBrownfields · 1.5 mi
- P-K TOOL & MANUFACTURING COMPANYBrownfields · 1.5 mi
- TE CONNECTIVITYBrownfields · 1.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Santa Teresa'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 Santa Teresa.
Total Sites
395
within ~10 miles of Santa Teresa
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Santa Teresa
Severity Distribution
within ~10 miles of Santa Teresa
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Santa Teresa, two things run higher than the national average within ~10 miles of Santa Teresa — Nitrate (116 sites) and Toxics Release Inventory (27 sites). 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.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Santa Teresa
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 Santa Teresa average
Your land is one point inside Santa Teresa
Everything above resolves to Santa Teresa as a whole — one PHZM band and one 28°F frost record, read across 6K 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 Santa Teresa Average
Santa Teresa Average
- ●USDA Zones 8b, averaged across Santa Teresa
- ●One soil character for all of Santa Teresa
- ●Frost dates read at Santa Teresa's scale: Feb 23 to Nov 24
YOUR Parcel
- ✓Your exact zone, not Santa Teresa's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Santa Teresa
Pull a site-specific report for your exact address in Santa Teresa, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Santa Teresa averages can't show:
We read public map data around Santa Teresa — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Santa Teresa average
How we know this about Santa Teresa
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 Santa Teresa’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 Santa Teresa
When does frost risk typically end in Santa Teresa?
The last hard freeze (28°F) in Santa Teresa typically lands around Feb 23, 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 16.
When is the first frost in Santa Teresa?
The first hard freeze (28°F) in Santa Teresa typically arrives around Nov 24, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 10, so the watching starts about Oct 25 — about 274 days after the spring freeze cleared.
How long is the growing season in Santa Teresa?
Measured between 28°F hard freezes, Santa Teresa sees about 274 frost-free days — roughly Feb 23 through Nov 24, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 16 to Nov 10, about 239 days.
Is the soil safe to grow vegetables in Santa Teresa?
The federal record around Santa Teresa is a meaningful one — 395 documented sites, mostly Underground Storage Tanks entries (159), the nearest Brownfields record about 1.2 miles 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 Santa Teresa?
From about Oct 25 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 24 (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 24. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Santa Teresa's scale — its 8b band and its 274-day season. Your yard writes its own version of Santa Teresa'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 Santa Teresa’s own scale
7 of the readings below were taken at Santa Teresa's own scale — its own ~274-day season between 28°F freezes, the 5,664 acres it covers and 395 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Santa Teresa's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Santa Teresa's own 28°F hard-freeze dates, about Feb 23 and Nov 24 and the ~274-day span between themNOAA 1991–2020 Climate Normals
- 395 documented contamination sites on the federal record near Santa Teresa, the closest Brownfields record about 1.2 miles out from the town centreFederal environmental registers
- Santa Teresa's boundary and the 5,664 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~274-day seasonGrowable Ground crop-matching engine
- The ecoregion at Santa Teresa's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
- Lanternfly survey cells around Santa Teresa 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 Santa Teresa's 5,664 acres read through its county's SSURGO summaryfrom Doña Ana County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Doña Ana 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 Doña Ana County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Santa Teresa's 5,664 acreswhy one lot differs from the next →
- Which side of Santa Teresa you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,664 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 1.2 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 Santa Teresa-wide figureread your own land →
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