Las Cruces, New Mexico, 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 Las Cruces, 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 Las Cruces 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 Las Cruces — soil, climate, flood, and parcel records. How we handle your address.
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Las Cruces — the short answer
Las Cruces, New Mexico: USDA zone 8b, about 265 days between hard freezes, across 49K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~265
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 49K 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 Las Cruces's average, not your lot's — a low corner or a tree line moves it. Against Las Cruces's 265-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Las Cruces
Each reading below is measured for Las Cruces itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredLas Cruces runs about 265 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
MeasuredLas Cruces 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 Las Cruces is in
Las Cruces sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Las Cruces's own centroid rather than borrowed from Doña Ana County.
What Grows in Las Cruces
Every plant below cleared Las Cruces's own zone 8b and its 265-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Las Cruces?
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 Jan 31; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 20 — 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 Las Cruces
Survey cells within 31 miles of Las Cruces checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 606 miles off. What to watch for.
What's on the federal record near Las Cruces
Closest first, within ~10 miles of Las Cruces. Listing isn't leaking, and distance isn't exposure.
- EAGLE QWIK MART 4Underground Storage Tanks · 1400 ft
- FORMER CIRCLE K 298Underground Storage Tanks · 1400 ft
- ALAMEDA LAUNDRY AND CLEANERSSuperfund · 1700 ft
- JOHNNYS SEPTIC TANK CO INCUnderground Storage Tanks · 1700 ft
- MESILLA VALLEY PAWN SHOPUnderground Storage Tanks · 1900 ft
- SCOTTS AUTO SALESUnderground Storage Tanks · 1900 ft
- TRAINGLE DRY CLEANING VILLAGESuperfund · 1900 ft
- A 1 RENTAL CENTER 2Underground Storage Tanks · 2000 ft
- SPEEDYS 121Underground Storage Tanks · 2000 ft
- DYLAN'SUnderground Storage Tanks · 2100 ft
- JACK KEY MOTORSUnderground Storage Tanks · 2200 ft
- SAVERS STORE #1141Brownfields · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Las Cruces'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 Las Cruces.
Sources Checked
within ~10 miles of Las Cruces
Severity Distribution
within ~10 miles of Las Cruces
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Las Cruces, Superfund runs higher than the national average — 16 sites within ~10 miles of Las Cruces. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Las Cruces
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 Las Cruces average
Your land is one point inside Las Cruces
Everything above resolves to Las Cruces as a whole — one PHZM band and one 28°F frost record, read across 49K 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 Las Cruces Average
Las Cruces Average
- ●USDA Zones 8b, averaged across Las Cruces
- ●One soil character for all of Las Cruces
- ●Frost dates read at Las Cruces's scale: Feb 28 to Nov 20
YOUR Parcel
- ✓Your exact zone, not Las Cruces's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Las Cruces
Pull a site-specific report for your exact address in Las Cruces, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Las Cruces averages can't show:
We read public map data around Las Cruces — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Las Cruces average
How we know this about Las Cruces
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 Las Cruces’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 Las Cruces
When does frost risk typically end in Las Cruces?
The last hard freeze (28°F) in Las Cruces typically lands around Feb 28, 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 21.
When is the first frost in Las Cruces?
The first hard freeze (28°F) in Las Cruces typically arrives around Nov 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 6, so the watching starts about Oct 21 — about 265 days after the spring freeze cleared.
How long is the growing season in Las Cruces?
Measured between 28°F hard freezes, Las Cruces sees about 265 frost-free days — roughly Feb 28 through Nov 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 21 to Nov 6, about 230 days.
Is the soil safe to grow vegetables in Las Cruces?
The federal record around Las Cruces is a meaningful one — 536 documented sites, mostly Underground Storage Tanks entries (297), the nearest Underground Storage Tanks record about 0.3 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 Las Cruces?
From about Oct 21 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Las Cruces's scale — its 8b band and its 265-day season. Your yard writes its own version of Las Cruces'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 Las Cruces’s own scale
7 of the readings below were taken at Las Cruces's own scale — its own ~265-day season between 28°F freezes, the 49,237 acres it covers and 536 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Las Cruces's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Las Cruces's own 28°F hard-freeze dates, about Feb 28 and Nov 20 and the ~265-day span between themNOAA 1991–2020 Climate Normals
- 536 documented contamination sites on the federal record near Las Cruces, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Las Cruces's boundary and the 49,237 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~265-day seasonGrowable Ground crop-matching engine
- The ecoregion at Las Cruces's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
- Lanternfly survey cells around Las Cruces 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 Las Cruces's 49,237 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 Las Cruces's 49,237 acreswhy one lot differs from the next →
- Which side of Las Cruces you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 49,237 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 Las Cruces-wide figureread your own land →
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