The Tularosa Basin spans USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A closed desert basin under the Sacramento escarpment — White Sands sun, zone-8a warmth, and a ~240-day season that runs a month past the surrounding high country; pistachios and chile thrive where the mountains above grow apples. Growers here do well with green chile, apache plume, prickly pear, and pecan — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
The Tularosa Basin spans New Mexico.
Your yard isn't all of the Tularosa Basin.
The Tularosa Basin spans USDA zones 8a, but your parcel sits in exactly one — and slope, tree cover, and low spots nudge it further. 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 Tularosa Basin — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
The Tularosa Basin — the short answer
The Tularosa Basin: USDA zones 8a, 239–242 frost-free days, in New Mexico.
- USDA zones
- 8a
- USDA PHZM 2023, aggregated over the footprint
- Frost-free season
- 239–242 days
- NOAA Regional Climate Centers ACIS, 1991-2020
- Towns
- 4
- US Census TIGER/Line 2025
- Region type
- Town cluster
- Growable Ground growing-region registry
Region boundary: Growable Ground growing-region registry — curated county clusters, EPA Level III ecoregions, and town clusters drawn finer than any county. Where a region publishes no measured season, no season figure is shown.
Hardiness Zone Range
What Grows in the Tularosa Basin
Plants matched to the Tularosa Basin's USDA zones 8a, ordered by how much hardiness margin each has across the region — the ones with room to spare at both ends of this band lead. Each links to its full growing profile.
Native Plants of the Tularosa Basin
Plants the USDA PLANTS Database documents as native and present in this region’s state, kept only where the published hardiness range meets the Tularosa Basin’s USDA zones 8a — closest range match first. Presence is recorded by state, so a plant can be documented across the state and still be scarce in your corner of the region.
The ground around the Tularosa Basin
The USDA soil survey maps this ground county by county. These are those records weighted by land area across the county containing the Tularosa Basin — the ground the Tularosa Basin sits in, read at the only grain the survey publishes.
In the county containing the Tularosa Basin, the ground is predominantly Aridisols, at 56% of mapped acres, followed by Mollisols (22%), Entisols (20%) and Alfisols (1%). Five soil orders appear in that record, which is the honest reason a regional soil answer only goes so far. The most extensive named soils are Lozier, Deama, and Copia.
83% of those acres are well drained, and another 9% excessively drained, 3% somewhat excessively drained. Topsoil pH runs 7.6–8.2 in that county’s own record.
Soil order
Aridisols
Drainage
Well drained
Topsoil pH
7.6–8.2
Hydric soils
0%
Soil changes across a driveway, so which of these your own ground sits on is a parcel question rather than a regional one. soil types explained.
USDA NRCS SSURGO via Soil Data Access
What this means for growing in the Tularosa Basin
The soil survey reads this ground county by county, and the readings above are the record for the county containing the Tularosa Basin. Here is what they mean for a garden here — and the move an experienced grower makes about each one.
Drainage
From county records83% of the mapped acres across the county containing the Tularosa Basin are well drained — ground that drains quickly. The survey maps this ground county-wide, so it describes the setting the Tularosa Basin sits in rather than the valley floor alone.
The upside is soil you can work early in spring and roots that never drown; the cost is that fast-draining ground dries out fast and leaches nutrients away before plants can use them.
Work in compost and mulch to hold moisture and feed, and water more often in short doses than deep and rarely.
USDA NRCS SSURGO
Surface pH
From county recordsTopsoil across the county containing the Tularosa Basin runs pH 7.6–8.2 — alkaline in the one record covering it.
Many vegetables cope, but acid-lovers like blueberries struggle, and iron and manganese lock up above about pH 7.5 — leaves yellow between the veins even in rich soil.
Elemental sulfur and generous organic matter lower pH slowly for the beds that need it; test first so you add only what the soil actually calls for.
USDA NRCS SSURGO
Safe to Grow Here?
What the federal record shows across the Tularosa Basin — and how to grow with it.
Across Otero County, which contains the Tularosa Basin, the federal record holds 642 documented sites, mostly Nitrate (376), Underground Storage Tanks (160) and Brownfields (53).
That is the containing county's count — this region is a smaller piece of that ground, so it is context, not a reading of any one lot. Open the map outlined to the Tularosa Basin to see which records sit where you actually grow.
Sources Checked
Summed across the county containing the Tularosa Basin
A note from Gnorman
What an experienced grower watches for around here
In and around the Tularosa Basin, two things run higher than the national average across the county containing the Tularosa Basin — Nitrate (376 sites) and Mining (36 sites). 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.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
Your land is one point inside the Tularosa Basin
Everything above resolves to the Tularosa Basin as a whole — a footprint spanning USDA zones 8a. Your parcel sits in exactly one of them. 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 region 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 regional average.
Your Lot vs the Tularosa Basin Average
Tularosa Basin Average
- ●USDA Zones 8a, averaged across Tularosa Basin
- ●One soil character for all of Tularosa Basin
- ●State-average frost dates
YOUR Parcel
- ✓Your exact zone, not Tularosa Basin's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in the Tularosa Basin
Pull a site-specific report for your exact address in the Tularosa Basin — soil, sun, drainage, frost risk, contamination, and scored plant recommendations.
Three things about your lot that Tularosa Basin averages can't show:
We read public map data around The Tularosa Basin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Tularosa Basin average
How we know this about the Tularosa Basin
The boundary: the region's own towns — a footprint finer than any county, because the county average would misread this microclimate. Growing regions have no official boundary, so this footprint is our published one, and every figure on this page was measured over the towns inside it rather than borrowed from the state around it.
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, aggregated across the footprint; the growing season from NOAA Regional Climate Centers ACIS 1991–2020 28°F normals, read at each member’s own record; boundaries from US Census TIGER/Line 2025; the contamination record from the federal sources named in that beat above; the soil from the USDA NRCS SSURGO survey, read at each member county’s own record and weighted to this footprint by land area. Where a member carries no record of its own, it is absent from the figure rather than filled in.
Common questions about the Tularosa Basin
What hardiness zone is the Tularosa Basin?
The Tularosa Basin spans USDA hardiness zones 8a, aggregated from the USDA Agricultural Research Service Plant Hardiness Zone Map 2023 across the region's own towns. Zones reflect average annual extreme minimum temperatures from 1991–2020 data.
How long is the growing season in the Tularosa Basin?
Measured between 28°F hard freezes, the Tularosa Basin's towns mostly run 240 to 241 frost-free days, median 240 (NOAA Regional Climate Centers ACIS, 1991–2020, over 4 member towns). That 1-day spread is the honest read — no single season describes 4 towns, and each town guide below carries its own.
When does frost risk end in the Tularosa Basin?
Across the Tularosa Basin, the middle half of member towns see their last 28°F hard freeze between Mar 18 and Mar 18 (median Mar 18), and their first fall freeze between Nov 13 and Nov 13. Those are hard freezes, not the last light frost: tender transplants wait for about Apr 8, and elevation decides which end of a 0-day spread you garden in.
What grows well in the Tularosa Basin?
The Tularosa Basin's conditions suit plants such as Green Chile, Apache Plume, Prickly Pear, Pecan, Pinon Pine. What actually thrives on any one site still turns on its specific soil, sun, and drainage — we score each plant against the real conditions at your address.
How is the Tularosa Basin defined?
The Tularosa Basin is a true microclimate — smaller than the county that contains it, with a growing reality of its own. So this page is built from the region's own 4 towns, each carrying its own hardiness zone and frost record, rather than from a county average measured somewhere else.
Which states does the Tularosa Basin cover?
The Tularosa Basin spans New Mexico. Each state's full growing guide is linked on this page.
What other growing regions cover the same states?
High Plains, Middle Rio Grande / Albuquerque, Four Corners / San Juan Basin (Farmington), Taos & the Sangre de Cristo High Country, Northern New Mexico / Española Valley, and Hatch / Mesilla Valley share at least one state with the Tularosa Basin. Growing regions overlap and interlock — a single address can sit inside more than one, which is why the precise read is always the parcel, not the region.
What this page reads at the Tularosa Basin’s own scale
6 of the readings below were taken at the Tularosa Basin's own scale — the zone 8a band across its footprint, a median 240-day season across its 4 towns and 642 documented federal contamination records across its one county, 642 of them in Otero County alone; one is borrowed from a wider read, named and linked below.
Measured here
- The USDA hardiness band 8a aggregated across all 4 towns in the footprintUSDA PHZM 2023
- The boundary itself — the 4 towns this region is curated fromGrowable Ground subregion registry
- The growing character that makes this region distinct from the states it crossesGrowable Ground subregion registry
- The 28°F season across the footprint — the middle half of its 4 towns run 240 to 241 frost-free days, median 240NOAA Regional Climate Centers ACIS, 1991-2020
- The federal contamination record over the whole footprint — 642 documented federal contamination records across its one county, 642 of them in Otero County aloneEPA, USGS and USDA federal site records
- The soil order mix across the footprint — 56% Aridisols, topsoil pH 7.6–8.2, area-weighted across its one mapped countyUSDA NRCS SSURGO
Inherited from a wider read
- The candidate plant list — its state's curated sets, merged and filtered to zones 8afrom New Mexico
What this page can’t tell you
- Which end of the 1-day range your ground sits at — 240 days at one extreme, 241 at the other, decided mostly by elevationfrost dates explained →
- Which of those soils your own ground sits on — the survey maps them county-wide, and they change across a drivewaysoil types explained →
- The soil pH, drainage, sun hours, and frost pockets on one specific lotwhy one lot differs from the next →
Explore the Tularosa Basin
State growing guides
Towns in this region
The county containing this region
Other growing regions across New Mexico
A semi-arid shortgrass tableland of deep soils and big sky, where wind, low rainfall, and irrigation shape dryland wheat, sorghum, and resilient gardens.
New Mexico's high-desert river corridor along the Middle Rio Grande around Albuquerque — intense high-elevation sun, alkaline soils, and irrigation-fed gardens working a roughly 200-day frost-free season.
On the Colorado Plateau's high desert in New Mexico's far northwest — Farmington, Gallup, and Grants sit at roughly 4,900-6,500 ft, not the Rio Grande corridor. Expect a shorter, cooler season than central New Mexico: USDA zones 6a-7a and about 150-187 frost-free days, over alkaline plateau soils, with a deep Navajo and Puebloan dryland-farming heritage shaping what thrives here.
The coldest populated corner of New Mexico. Taos sits in USDA zone 5b with about 151 frost-free days — a full zone and roughly 40 days shorter than the zone 6a–7a Española Valley just to the south, and shorter still up in the mountain valleys of Angel Fire, Red River, Eagle Nest, and Mora. Gardening here at 7,000–8,500 ft means late-spring and early-fall frost risk, short-season variety selection, and cold-hardy perennials — much of it watered by centuries-old acequia ditch irrigation. This is high alpine-desert growing that the warmer, longer-season northern-NM page can't speak to.
Anchored on the Rio Grande–Rio Chama confluence in north-central New Mexico, the Española Valley spans Rio Arriba and Santa Fe counties, where USDA zones 6a to 7a and a 159-to-190-day frost-free window frame a high-desert, acequia-irrigated growing season.
The federally designated Mesilla Valley AVA (27 CFR §9.115, established 1985) follows the Rio Grande floodplain from the chile-growing village of Hatch through Doña Ana County, NM into El Paso County, TX — a Zone 8b corridor running a long 264-to-282-day frost-free season.