Lybrook, New Mexico, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
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 Lybrook, 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 Lybrook 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 Lybrook — soil, climate, flood, and parcel records. How we handle your address.
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Lybrook — the short answer
Lybrook, New Mexico: USDA zone 6b, about 183 days between hard freezes, across 2K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~183
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K 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 Lybrook's average, not your lot's — a low corner or a tree line moves it. Against Lybrook's 183-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Lybrook
Each reading below is measured for Lybrook itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredLybrook 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
MeasuredLybrook 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 Lybrook is in
Lybrook sits in the Arizona/New Mexico Plateau — EPA Level III, inside the wider North American Deserts. That is read at Lybrook's own centroid, and it is not what its county reads: Rio Arriba County is mostly Southern Rockies. The wider page above you is answering a different question about different ground.
What Grows in Lybrook
Every plant below cleared Lybrook's own zone 6b and its 183-day season. Each card opens that plant's New Mexico profile. How we score.
Is it too late to plant in Lybrook?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 27; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 24 — 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 Lybrook
Closest first, within ~10 miles of Lybrook. Listing isn't leaking, and distance isn't exposure.
- 23N.07W.10.433ANitrate · 0.8 mi
- NMDOT CUBA PATROL YARD 46 43Underground Storage Tanks · 5.0 mi
- CANYON LARGO UNIT 278Brownfields · 5.2 mi
- COUNSELOR TRADING POST #526Underground Storage Tanks · 5.7 mi
- 23N.08W.27.111Nitrate · 6.7 mi
- RED MESA EXPRESS 518Underground Storage Tanks · 7.3 mi
Measured from Lybrook'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 Lybrook.
Severity Distribution
within ~10 miles of Lybrook
Highest-Severity Sites
Know Before You Grow
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
Check your specific parcel in Lybrook
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 Lybrook average
Your land is one point inside Lybrook
Everything above resolves to Lybrook as a whole — one PHZM band and one 28°F frost record, read across 2K 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 Lybrook Average
Lybrook Average
- ●USDA Zones 6b, averaged across Lybrook
- ●One soil character for all of Lybrook
- ●Frost dates read at Lybrook's scale: Apr 24 to Oct 24
YOUR Parcel
- ✓Your exact zone, not Lybrook's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Lybrook
Pull a site-specific report for your exact address in Lybrook, New Mexico — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Lybrook averages can't show:
We read public map data around Lybrook — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Lybrook average
How we know this about Lybrook
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 Lybrook’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 Lybrook
When does frost risk typically end in Lybrook?
The last hard freeze (28°F) in Lybrook typically lands around Apr 24, 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 15.
When is the first frost in Lybrook?
The first hard freeze (28°F) in Lybrook typically arrives around Oct 24, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 10, so the watching starts about Sep 24 — about 183 days after the spring freeze cleared.
How long is the growing season in Lybrook?
Measured between 28°F hard freezes, Lybrook sees about 183 frost-free days — roughly Apr 24 through Oct 24, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 15 to Oct 10, about 148 days.
Is the soil safe to grow vegetables in Lybrook?
The federal record around Lybrook is light — 8 documented sites across the 9 federal source types we checked, mostly Nitrate entries (4), the nearest Nitrate record about 0.8 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 Lybrook?
From about Sep 24 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 24 (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 24. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Lybrook's scale — its 6b band and its 183-day season. Your yard writes its own version of Lybrook'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 Lybrook’s own scale
6 of the readings below were taken at Lybrook's own scale — its own ~183-day season between 28°F freezes, the 2,484 acres it covers and 8 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Lybrook's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Lybrook's own 28°F hard-freeze dates, about Apr 24 and Oct 24 and the ~183-day span between themNOAA 1991–2020 Climate Normals
- 8 documented contamination sites on the federal record near Lybrook, the closest Nitrate record about 0.8 miles out from the town centreFederal environmental registers
- Lybrook's boundary and the 2,484 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~183-day seasonGrowable Ground crop-matching engine
- Lybrook sits in the Arizona/New Mexico Plateau — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Lybrook's 2,484 acres read through its county's SSURGO summaryfrom Rio Arriba County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Rio Arriba 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 Rio Arriba County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Lybrook's 2,484 acreswhy one lot differs from the next →
- Which side of Lybrook you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,484 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.8 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 Lybrook-wide figureread your own land →