Sombrillo, New Mexico, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
These conditions suit cabbage, pawpaw, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Sombrillo, 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 Sombrillo 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 Sombrillo — soil, climate, flood, and parcel records. How we handle your address.
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Sombrillo — the short answer
Sombrillo, New Mexico: USDA zone 7a, about 183 days between hard freezes, across 606 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~183
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 606 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 7a is Sombrillo's average, not your lot's — a low corner or a tree line moves it. Against Sombrillo's 183-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sombrillo
Each reading below is measured for Sombrillo itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSombrillo runs about 183 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredSombrillo sits in USDA hardiness zone 7a.
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 Sombrillo is in
Sombrillo sits in the Arizona/New Mexico Plateau — EPA Level III, inside the wider North American Deserts. That is read at Sombrillo's own centroid rather than borrowed from Santa Fe County.
What Grows in Sombrillo
Every plant below cleared Sombrillo's own zone 7a and its 183-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Sombrillo?
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 Mar 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 22 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
Documented around Sombrillo
Survey cells within 31 miles of Sombrillo checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 425 miles off. What to watch for.
What's on the federal record near Sombrillo
Closest first, within ~10 miles of Sombrillo. Listing isn't leaking, and distance isn't exposure.
- SANTA CRUZ COUNTRY STOREUnderground Storage Tanks · 2600 ft
- ESPANOLA BODY SHOPBrownfields · 0.7 mi
- LA TIENDITA DEL PAISAUnderground Storage Tanks · 0.9 mi
- ARROYO SECO MINI MARTUnderground Storage Tanks · 0.9 mi
- 20N.08E.01.332Nitrate · 1.1 mi
- MCCURDY SCHOOLS OF NORTHERN NEW MEXICOBrownfields · 1.2 mi
- 20N.08E.01.314Nitrate · 1.2 mi
- SAN PEDRO MUSTANGUnderground Storage Tanks · 1.4 mi
- BLM-VELARDE LANDFILLSuperfund · 1.5 mi
- ALLSUPS 333Underground Storage Tanks · 1.5 mi
- BONEYARD AUTO SALVAGE, LLCBrownfields · 1.5 mi
- SAN PEDRO FOOD MART SHELLUnderground Storage Tanks · 1.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sombrillo'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 Sombrillo.
Sources Checked
within ~10 miles of Sombrillo
Severity Distribution
within ~10 miles of Sombrillo
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sombrillo, two things run higher than the national average within ~10 miles of Sombrillo — Superfund (4 sites) and Nitrate (72 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Sombrillo
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 Sombrillo average
Your land is one point inside Sombrillo
Everything above resolves to Sombrillo as a whole — one PHZM band and one 28°F frost record, read across 606 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 Sombrillo Average
Sombrillo Average
- ●USDA Zones 7a, averaged across Sombrillo
- ●One soil character for all of Sombrillo
- ●Frost dates read at Sombrillo's scale: Apr 22 to Oct 22
YOUR Parcel
- ✓Your exact zone, not Sombrillo's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sombrillo
Pull a site-specific report for your exact address in Sombrillo, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sombrillo averages can't show:
We read public map data around Sombrillo — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sombrillo average
How we know this about Sombrillo
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 Sombrillo’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 Sombrillo
When does frost risk typically end in Sombrillo?
The last hard freeze (28°F) in Sombrillo typically lands around Apr 22, 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 May 13.
When is the first frost in Sombrillo?
The first hard freeze (28°F) in Sombrillo typically arrives around Oct 22, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 8, so the watching starts about Sep 22 — about 183 days after the spring freeze cleared.
How long is the growing season in Sombrillo?
Measured between 28°F hard freezes, Sombrillo sees about 183 frost-free days — roughly Apr 22 through Oct 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 13 to Oct 8, about 148 days.
Is the soil safe to grow vegetables in Sombrillo?
The federal record around Sombrillo is a meaningful one — 178 documented sites, mostly Nitrate entries (72), the nearest Underground Storage Tanks record about 0.5 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 Sombrillo?
From about Sep 22 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 Oct 22 (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 Oct 22. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Sombrillo's scale — its 7a band and its 183-day season. Your yard writes its own version of Sombrillo'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 Sombrillo’s own scale
7 of the readings below were taken at Sombrillo's own scale — its own ~183-day season between 28°F freezes, the 606 acres it covers and 178 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sombrillo's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Sombrillo's own 28°F hard-freeze dates, about Apr 22 and Oct 22 and the ~183-day span between themNOAA 1991–2020 Climate Normals
- 178 documented contamination sites on the federal record near Sombrillo, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Sombrillo's boundary and the 606 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~183-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sombrillo's own centroid, the Arizona/New Mexico PlateauUS EPA Level III Ecoregions
- Lanternfly survey cells around Sombrillo 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 Sombrillo's 606 acres read through its county's SSURGO summaryfrom Santa Fe County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Santa Fe 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 Santa Fe County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sombrillo's 606 acreswhy one lot differs from the next →
- Which side of Sombrillo you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 606 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Sombrillo-wide figureread your own land →