Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 87733 — Mosquero, NM

ZIP code 87733 (Mosquero, Harding County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 3 and the first fall frost October 12.

Where ZIP 87733 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostMay 3
First frostOct 12
2012 zone6a

Was 6a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mosquero, NM…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Mosquero, NM

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 3median — 50% chance of a later frost
Safe for tender plantsMay 17only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Oct 1
Growing season160 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 24 and returns around October 20.

From the NOAA station Mosquero 1 Ne, NM — 6 miles away, elevation 5,466 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 87733

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 22 – Apr 5
SpinachSow outdoors · Mar 22 – Apr 12
Broccoli, cabbageStart indoors · Feb 22 – Mar 8
Broccoli, cabbageTransplant · Apr 12 – Apr 26
Onion setsPlant outdoors · Apr 5 – Apr 19
PotatoesPlant outdoors · Apr 12 – Apr 26
LettuceSow outdoors · Apr 5 – Apr 19
Carrots, beetsSow outdoors · Apr 12 – Apr 26
TomatoesStart indoors · Mar 8 – Mar 22
TomatoesTransplant · May 10 – May 24
Peppers, eggplantStart indoors · Feb 22 – Mar 8
Peppers, eggplantTransplant · May 17 – May 31
BeansSow outdoors · May 10 – May 24
Sweet cornSow outdoors · May 10 – May 24
Cucumbers, squashSow outdoors · May 10 – May 24
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 12) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 87733 came on Feb 19 — 15 days earlier than the 1991–2020 average (Mar 6).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 6b in New Mexico

515 plants native to the lower 48 states, recorded in New Mexico, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 28

Arizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona sycamore80 ft · blooms early spring · high shade tolerance · to −8 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblack walnut100 ft · blooms late spring · high shade tolerance · to −28 °Fblue spruce100 ft · blooms late spring · medium shade tolerance · to −38 °F

Shrubs 95

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican tarwort3 ft · blooms late spring · high shade tolerance · to −23 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °F

Wildflowers & perennials 225

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 159

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic bluegrass2 ft · high shade tolerance · to −62 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °F

Vines 1

western white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Mosquero, NM.

Soil in Mosquero, NM

The soil mapped at the center of ZIP 87733 is Carnero, well drained.

pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Rough broken and stony land.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 87733; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mosquero, NM

Summer high90 °Faverage high, July
Winter low20 °Faverage low, January
Hot days50days a year at 90 °F or more
Freezing nights142nights a year at 32 °F or less
Growing degree days3,411base 50 °F — the season’s usable heat
Longest day14 h 35 mindaylight on June 21
Shortest day9 h 44 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation15.8 inper year, rain and melted snow
Snowfall20 inper year; 17 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 50 °F, low 20 °F 50°20° JanFebruary: average high 54 °F, low 22 °F 54°22° FebMarch: average high 63 °F, low 29 °F 63°29° MarApril: average high 70 °F, low 35 °F 70°35° AprMay: average high 79 °F, low 45 °F 79°45° MayJune: average high 88 °F, low 55 °F 88°55° JunJuly: average high 90 °F, low 60 °F 90°60° JulAugust: average high 87 °F, low 58 °F 87°58° AugSeptember: average high 81 °F, low 51 °F 81°51° SepOctober: average high 71 °F, low 39 °F 71°39° OctNovember: average high 58 °F, low 28 °F 58°28° NovDecember: average high 49 °F, low 21 °F 49°21° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 0.38 in precipitation, 2.8 in snowfall 0.4❄3 JanFebruary: 0.32 in precipitation, 2.7 in snowfall 0.3❄3 FebMarch: 0.76 in precipitation, 3.2 in snowfall 0.8❄3 MarApril: 1.00 in precipitation, 2 in snowfall 1.0❄2 AprMay: 1.50 in precipitation, 0.2 in snowfall 1.5 MayJune: 1.93 in precipitation 1.9 JunJuly: 2.54 in precipitation 2.5 JulAugust: 2.83 in precipitation 2.8 AugSeptember: 2.07 in precipitation 2.1 SepOctober: 1.22 in precipitation, 1.1 in snowfall 1.2❄1 OctNovember: 0.69 in precipitation, 2.8 in snowfall 0.7❄3 NovDecember: 0.51 in precipitation, 4.7 in snowfall 0.5❄5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mosquero 1 Ne, NM (6 mi away); precipitation: Mosquero 1 Ne, NM (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

877467a
Solano, NM · 16 mi
877436b
Roy, NM · 18 mi
884167b
Conchas Dam, NM · 28 mi
884267a
Logan, NM · 28 mi
884106b
Amistad, NM · 32 mi
877306b
Mills, NM · 32 mi
884397a
Trementina, NM · 34 mi
884226a
Gladstone, NM · 42 mi

New Mexico planting zones →

Questions about 87733

What planting zone is ZIP code 87733?

ZIP code 87733 (Mosquero, NM) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Mosquero, NM?

The median last spring frost (32 °F) near 87733 is May 3; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mosquero 1 Ne station.

When is the first frost in Mosquero, NM?

The median first fall frost near 87733 is October 12, giving a median frost-free growing season of 160 days.

When should I plant tomatoes in 87733?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 87733 get?

About 15.8 inches of precipitation a year and 20 inches of snowfall (NOAA 1991–2020 normals, Mosquero 1 Ne station).

How hot do summers get in Mosquero, NM?

The average high peaks at 90 °F in July, with about 50 days a year at 90 °F or more.

Did spring come early in Mosquero, NM in 2026?

Spring leaf-out near 87733 came on Feb 19 in 2026, 15 days earlier than the 1991–2020 average (Mar 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mosquero, NM?

Intermediate onions: the longest day near 87733 is 14 h 35 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 87733 change?

Yes. The 2012 USDA map put 87733 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.