North Light Plant, New Mexico, sits in USDA hardiness zone 6b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
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 North Light Plant, 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 North Light Plant 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 North Light Plant — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
North Light Plant — the short answer
North Light Plant, New Mexico: USDA zone 6b, about 182 days between hard freezes, across 1K acres of town.
- USDA zone
- 6b
- 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 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~182
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 North Light Plant's average, not your lot's — a low corner or a tree line moves it. Against North Light Plant's 182-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in North Light Plant
Each reading below is measured for North Light Plant itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredNorth Light Plant runs about 182 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
MeasuredNorth Light Plant 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 North Light Plant is in
North Light Plant sits in the Colorado Plateaus — EPA Level III, inside the wider North American Deserts. That is read at North Light Plant'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 North Light Plant
Every plant below cleared North Light Plant's own zone 6b and its 182-day season. Each card opens that plant's New Mexico profile. How we score.






























Is it too late to plant in North Light Plant?
Usually not — gardeners here simply switch what goes in the ground as the season moves. 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 21 — 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 North Light Plant
Closest first, within ~10 miles of North Light Plant. Listing isn't leaking, and distance isn't exposure.
- JOHNS 1Brownfields · 1.6 mi
- HYDROPURE TECHNOLOGY INCBrownfields · 2.1 mi
- WILLIAMS AIREPAIR 29731Underground Storage Tanks · 2.3 mi
- AZTEC MUNICIPAL AIRPORTUnderground Storage Tanks · 2.3 mi
- AZTEC HIGH SCHOOL DORMITORY INCBrownfields · 2.7 mi
- SAN JUAN COUNTY DETENTION CENTERUnderground Storage Tanks · 2.9 mi
- HYF PAINTING SERVICESBrownfields · 2.9 mi
- EDS CLASSIC AUTOUnderground Storage Tanks · 3.0 mi
- WOOLEYS TRAILER SALESUnderground Storage Tanks · 3.0 mi
- AZTEC YARDUnderground Storage Tanks · 3.0 mi
- SUN DIAL STORE 707Underground Storage Tanks · 3.0 mi
- SAN JUAN COUNTYUnderground Storage Tanks · 3.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from North Light Plant'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 North Light Plant.
Total Sites
131
within ~10 miles of North Light Plant
Risk Level
Elevated
Highest-severity
7 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of North Light Plant
Severity Distribution
within ~10 miles of North Light Plant
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around North Light Plant, PFAS runs higher than the national average — 4 sites within ~10 miles of North Light Plant. That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in North Light Plant
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 North Light Plant average
Your land is one point inside North Light Plant
Everything above resolves to North Light Plant as a whole — one PHZM band and one 28°F frost record, read across 1K 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 North Light Plant Average
North Light Plant Average
- ●USDA Zones 6b, averaged across North Light Plant
- ●One soil character for all of North Light Plant
- ●Frost dates read at North Light Plant's scale: Apr 22 to Oct 21
YOUR Parcel
- ✓Your exact zone, not North Light Plant's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in North Light Plant
Pull a site-specific report for your exact address in North Light Plant, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that North Light Plant averages can't show:
We read public map data around North Light Plant — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the North Light Plant average
How we know this about North Light Plant
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 North Light Plant’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 North Light Plant
When does frost risk typically end in North Light Plant?
The last hard freeze (28°F) in North Light Plant 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 North Light Plant?
The first hard freeze (28°F) in North Light Plant typically arrives around Oct 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 7, so the watching starts about Sep 21 — about 182 days after the spring freeze cleared.
How long is the growing season in North Light Plant?
Measured between 28°F hard freezes, North Light Plant sees about 182 frost-free days — roughly Apr 22 through Oct 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 13 to Oct 7, about 147 days.
Is the soil safe to grow vegetables in North Light Plant?
The federal record around North Light Plant is a meaningful one — 131 documented sites, mostly Underground Storage Tanks entries (60), the nearest Brownfields record about 1.6 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 North Light Plant?
From about Sep 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 Oct 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at North Light Plant's scale — its 6b band and its 182-day season. Your yard writes its own version of North Light Plant'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 North Light Plant’s own scale
6 of the readings below were taken at North Light Plant's own scale — its own ~182-day season between 28°F freezes, the 1,384 acres it covers and 131 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- North Light Plant's own USDA hardiness band, zones 6bUSDA PHZM 2023
- North Light Plant's own 28°F hard-freeze dates, about Apr 22 and Oct 21 and the ~182-day span between themNOAA 1991–2020 Climate Normals
- 131 documented contamination sites on the federal record near North Light Plant, the closest Brownfields record about 1.6 miles out from the town centreFederal environmental registers
- North Light Plant's boundary and the 1,384 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~182-day seasonGrowable Ground crop-matching engine
- North Light Plant 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 North Light Plant's 1,384 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 North Light Plant's 1,384 acreswhy one lot differs from the next →
- Which side of North Light Plant you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,384 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 1.6 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 North Light Plant-wide figureread your own land →
