City of the Sun, New Mexico, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in City of the Sun, 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 City of the Sun 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 City of the Sun — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
City of the Sun — the short answer
City of the Sun, New Mexico: USDA zone 8b, about 263 days between hard freezes, across 162 acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 2
- 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
- ~263
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 162 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 City of the Sun's average, not your lot's — a low corner or a tree line moves it. Against City of the Sun's 263-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in City of the Sun
Each reading below is measured for City of the Sun itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredCity of the Sun runs about 263 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
MeasuredCity of the Sun 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 City of the Sun is in
City of the Sun sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at City of the Sun's own centroid rather than borrowed from Luna County.
What Grows in City of the Sun
Every plant below cleared City of the Sun's own zone 8b and its 263-day season. Each card opens that plant's New Mexico profile. How we score.






























Is it too late to plant in City of the Sun?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 2; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 2 (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. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
What's on the federal record near City of the Sun
Closest first, within ~10 miles of City of the Sun. Listing isn't leaking, and distance isn't exposure.
- 28S.08W.27.120Nitrate · 900 ft
- COLUMBUS CAR SALES INCBrownfields · 0.7 mi
- COLUMBUS TRANSFER STATIONBrownfields · 1.0 mi
- SAN JOSE FINAUnderground Storage Tanks · 1.2 mi
- COLUMBUS NM VORTACUnderground Storage Tanks · 1.4 mi
- 28S.08W.34.424Nitrate · 1.6 mi
- 28S.08W.26.222Nitrate · 1.7 mi
- 28S.08W.36.133Nitrate · 2.1 mi
- 28S.08W.25.211Nitrate · 2.4 mi
- 29S.08W.11.11313Nitrate · 3.0 mi
- 29S.08W.12.14444Nitrate · 3.8 mi
- 28S.08W.02.111Nitrate · 4.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from City of the Sun'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 City of the Sun.
Sources Checked
within ~10 miles of City of the Sun
Severity Distribution
within ~10 miles of City of the Sun
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around City of the Sun, two things run higher than the national average within ~10 miles of City of the Sun — Mining (15 sites) and Nitrate (30 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 City of the Sun
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 City of the Sun average
Your land is one point inside City of the Sun
Everything above resolves to City of the Sun as a whole — one PHZM band and one 28°F frost record, read across 162 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 City of the Sun Average
City of the Sun Average
- ●USDA Zones 8b, averaged across City of the Sun
- ●One soil character for all of City of the Sun
- ●Frost dates read at City of the Sun's scale: Mar 2 to Nov 20
YOUR Parcel
- ✓Your exact zone, not City of the Sun's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in City of the Sun
Pull a site-specific report for your exact address in City of the Sun, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that City of the Sun averages can't show:
We read public map data around City of the Sun — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the City of the Sun average
How we know this about City of the Sun
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 City of the Sun’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 City of the Sun
When does frost risk typically end in City of the Sun?
The last hard freeze (28°F) in City of the Sun typically lands around Mar 2, 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 23.
When is the first frost in City of the Sun?
The first hard freeze (28°F) in City of the Sun 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 263 days after the spring freeze cleared.
How long is the growing season in City of the Sun?
Measured between 28°F hard freezes, City of the Sun sees about 263 frost-free days — roughly Mar 2 through Nov 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 23 to Nov 6, about 228 days.
Is the soil safe to grow vegetables in City of the Sun?
The federal record around City of the Sun runs heavier than most — 50 documented sites, mostly Nitrate entries (30), the nearest Nitrate record about 0.2 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 City of the Sun?
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 City of the Sun's scale — its 8b band and its 263-day season. Your yard writes its own version of City of the Sun'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 City of the Sun’s own scale
6 of the readings below were taken at City of the Sun's own scale — its own ~263-day season between 28°F freezes, the 162 acres it covers and 50 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- City of the Sun's own USDA hardiness band, zones 8bUSDA PHZM 2023
- City of the Sun's own 28°F hard-freeze dates, about Mar 2 and Nov 20 and the ~263-day span between themNOAA 1991–2020 Climate Normals
- 50 documented contamination sites on the federal record near City of the Sun, the closest Nitrate record about 0.2 miles out from the town centreFederal environmental registers
- City of the Sun's boundary and the 162 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~263-day seasonGrowable Ground crop-matching engine
- The ecoregion at City of the Sun's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so City of the Sun's 162 acres read through its county's SSURGO summaryfrom Luna County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Luna 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 Luna County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among City of the Sun's 162 acreswhy one lot differs from the next →
- Which side of City of the Sun you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 162 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.2 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 City of the Sun-wide figureread your own land →
More in New Mexico
Wider growing context
What grows across New MexicoCity of the Sun sits outside our named growing regions, so New Mexico as a whole is its closest context here.
Nearby growing guides
