Manzano, New Mexico, sits in USDA hardiness zone 6b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
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 Manzano, 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 Manzano 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 Manzano — soil, climate, flood, and parcel records. How we handle your address.
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Manzano — the short answer
Manzano, New Mexico: USDA zone 6b, about 178 days between hard freezes, across 1K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~178
- 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 Manzano's average, not your lot's — a low corner or a tree line moves it. Against Manzano's 178-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Manzano
Each reading below is measured for Manzano itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredManzano runs about 178 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
MeasuredManzano 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 Manzano is in
Manzano sits in the Arizona/New Mexico Mountains — EPA Level III, inside the wider Temperate Sierras. That is read at Manzano's own centroid, and it is not what its county reads: Torrance County is mostly Southwestern Tablelands. The wider page above you is answering a different question about different ground.
What Grows in Manzano
Every plant below cleared Manzano's own zone 6b and its 178-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Manzano?
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 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 20 — 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.
Documented around Manzano
Survey cells within 31 miles of Manzano checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 488 miles off. What to watch for.
What's on the federal record near Manzano
Closest first, within ~10 miles of Manzano. Listing isn't leaking, and distance isn't exposure.
- 05N.05E.23.433Nitrate · 1.1 mi
- 04N.06E.04.211Nitrate · 3.8 mi
- 05N.06E.10.344Nitrate · 4.2 mi
- 04N.05E.06.100Nitrate · 5.1 mi
- QUARAI WATER WELL AT VISITORS CENTERNitrate · 5.2 mi
- 04N.06E.03.444Nitrate · 5.4 mi
- 04N.05E.17.300Nitrate · 6.1 mi
- 06N.06E.27.124Nitrate · 6.4 mi
- 06N.06E.22.431Nitrate · 6.5 mi
- MIT WEATHER RADAR SITEUnderground Storage Tanks · 8.6 mi
- TORRANCE COUNTYUnderground Storage Tanks · 8.6 mi
- RAYS ONE STOPUnderground Storage Tanks · 8.8 mi
2 more sites are on the record inside the same radius. See them on the map
Measured from Manzano'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 Manzano.
Severity Distribution
within ~10 miles of Manzano
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Manzano, Nitrate runs higher than the national average — 22 sites within ~10 miles of Manzano. That's not a problem with your land — it's information about 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 Manzano
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 Manzano average
Your land is one point inside Manzano
Everything above resolves to Manzano 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 Manzano Average
Manzano Average
- ●USDA Zones 6b, averaged across Manzano
- ●One soil character for all of Manzano
- ●Frost dates read at Manzano's scale: Apr 25 to Oct 20
YOUR Parcel
- ✓Your exact zone, not Manzano's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Manzano
Pull a site-specific report for your exact address in Manzano, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Manzano averages can't show:
We read public map data around Manzano — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Manzano average
How we know this about Manzano
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 Manzano’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 Manzano
When does frost risk typically end in Manzano?
The last hard freeze (28°F) in Manzano typically lands around Apr 25, 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 16.
When is the first frost in Manzano?
The first hard freeze (28°F) in Manzano typically arrives around Oct 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 6, so the watching starts about Sep 20 — about 178 days after the spring freeze cleared.
How long is the growing season in Manzano?
Measured between 28°F hard freezes, Manzano sees about 178 frost-free days — roughly Apr 25 through Oct 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 16 to Oct 6, about 143 days.
Is the soil safe to grow vegetables in Manzano?
The federal record around Manzano is light — 25 documented sites across the 9 federal source types we checked, mostly Nitrate entries (22), the nearest Nitrate record about 1.1 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 Manzano?
From about Sep 20 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 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 Oct 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Manzano's scale — its 6b band and its 178-day season. Your yard writes its own version of Manzano'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 Manzano’s own scale
7 of the readings below were taken at Manzano's own scale — its own ~178-day season between 28°F freezes, the 1,082 acres it covers and 25 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Manzano's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Manzano's own 28°F hard-freeze dates, about Apr 25 and Oct 20 and the ~178-day span between themNOAA 1991–2020 Climate Normals
- 25 documented contamination sites on the federal record near Manzano, the closest Nitrate record about 1.1 miles out from the town centreFederal environmental registers
- Manzano's boundary and the 1,082 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~178-day seasonGrowable Ground crop-matching engine
- Manzano sits in the Arizona/New Mexico Mountains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- Lanternfly survey cells around Manzano 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 Manzano's 1,082 acres read through its county's SSURGO summaryfrom Torrance County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Torrance 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 Torrance County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Manzano's 1,082 acreswhy one lot differs from the next →
- Which side of Manzano you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,082 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 1.1 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 Manzano-wide figureread your own land →
More in New Mexico
Wider growing context
What grows across New MexicoManzano sits outside our named growing regions, so New Mexico as a whole is its closest context here.
Nearby growing guides