La Boca, New Mexico, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, blackberry, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in La Boca, 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 La Boca 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 La Boca — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
La Boca — the short answer
La Boca, New Mexico: USDA zone 6b, about 179 days between hard freezes, across 356 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 26
- 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
- ~179
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 356 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 6b is La Boca's average, not your lot's — a low corner or a tree line moves it. Against La Boca's 179-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in La Boca
Each reading below is measured for La Boca itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredLa Boca runs about 179 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
MeasuredLa Boca sits in USDA hardiness zone 6b.
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 La Boca is in
La Boca sits in the Colorado Plateaus — EPA Level III, inside the wider North American Deserts. That is read at La Boca's own centroid, and it is not what its county reads: San Juan County is mostly Arizona/New Mexico Plateau. The wider page above you is answering a different question about different ground.
What Grows in La Boca
Every plant below cleared La Boca's own zone 6b and its 179-day season. Each card opens that plant's New Mexico profile. How we score.






























Is it too late to plant in La Boca?
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 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 26 (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. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
What's on the federal record near La Boca
Closest first, within ~10 miles of La Boca. Listing isn't leaking, and distance isn't exposure.
- NB03200709DAA HOLE 1 LINE 5 PINE RIVER 186Nitrate · 2.4 mi
- NB03200608DCDNitrate · 5.1 mi
- NB03300728DAB DH 1 DRILL LINE 4Nitrate · 5.5 mi
- Tiffany CompressorUnderground Storage Tanks · 6.5 mi
- TIFFANY COMPRESSOR STATIONBrownfields · 6.5 mi
- TIMS TACKLE BOXUnderground Storage Tanks · 6.6 mi
- Country MarketUnderground Storage Tanks · 6.7 mi
- CDOT AllisonUnderground Storage Tanks · 6.9 mi
- SPORTSMAN INNUnderground Storage Tanks · 8.0 mi
- FAMILY DOLLAR #11666Brownfields · 8.1 mi
- DUBS AUTO BODY INC / DUBLIN WILMERBrownfields · 8.3 mi
- Dist Iii Maintenance ShopUnderground Storage Tanks · 8.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from La Boca'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 La Boca.
Sources Checked
within ~10 miles of La Boca
Severity Distribution
within ~10 miles of La Boca
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around La Boca, Nitrate runs higher than the national average — 14 sites within ~10 miles of La Boca. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in La Boca
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 La Boca average
Your land is one point inside La Boca
Everything above resolves to La Boca as a whole — one PHZM band and one 28°F frost record, read across 356 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 La Boca Average
La Boca Average
- ●USDA Zones 6b, averaged across La Boca
- ●One soil character for all of La Boca
- ●Frost dates read at La Boca's scale: Apr 26 to Oct 22
YOUR Parcel
- ✓Your exact zone, not La Boca's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in La Boca
Pull a site-specific report for your exact address in La Boca, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that La Boca averages can't show:
We read public map data around La Boca — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the La Boca average
How we know this about La Boca
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 La Boca’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 La Boca
When does frost risk typically end in La Boca?
The last hard freeze (28°F) in La Boca typically lands around Apr 26, 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 17.
When is the first frost in La Boca?
The first hard freeze (28°F) in La Boca 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 179 days after the spring freeze cleared.
How long is the growing season in La Boca?
Measured between 28°F hard freezes, La Boca sees about 179 frost-free days — roughly Apr 26 through Oct 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 17 to Oct 8, about 144 days.
Is the soil safe to grow vegetables in La Boca?
The federal record around La Boca is light — 36 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (15), the nearest Nitrate record about 2.4 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in La Boca?
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 La Boca's scale — its 6b band and its 179-day season. Your yard writes its own version of La Boca'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 La Boca’s own scale
6 of the readings below were taken at La Boca's own scale — its own ~179-day season between 28°F freezes, the 356 acres it covers and 36 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- La Boca's own USDA hardiness band, zones 6bUSDA PHZM 2023
- La Boca's own 28°F hard-freeze dates, about Apr 26 and Oct 22 and the ~179-day span between themNOAA 1991–2020 Climate Normals
- 36 documented contamination sites on the federal record near La Boca, the closest Nitrate record about 2.4 miles out from the town centreFederal environmental registers
- La Boca's boundary and the 356 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~179-day seasonGrowable Ground crop-matching engine
- La Boca sits in the Colorado Plateaus — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so La Boca's 356 acres read through its county's SSURGO summaryfrom San Juan County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom San Juan 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 San Juan County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among La Boca's 356 acreswhy one lot differs from the next →
- Which side of La Boca you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 356 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 2.4 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 La Boca-wide figureread your own land →
