Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 79066 — Pampa, TX

ZIP code 79066 (Pampa, Gray County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 14 and the first fall frost October 28.

Where ZIP 79066 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.

Zone7a0 to 5 °F

Coldest night−17.8 to −15 °C

Last frostApr 14

First frostOct 28

2012 zone7a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pampa, TX…

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 Pampa, TX

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 14median — 50% chance of a later frost

Safe for tender plantsApril 29only 10% chance of frost after

First fall frostOctober 28median — 10% chance by Oct 13

Growing season194 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 4 and returns around November 5.

From the NOAA station Pampa #2, TX — 5 miles away, elevation 3,150 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 79066

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 3 – Mar 17

SpinachSow outdoors · Mar 3 – Mar 24

Broccoli, cabbageStart indoors · Feb 3 – Feb 17

Broccoli, cabbageTransplant · Mar 24 – Apr 7

Onion setsPlant outdoors · Mar 17 – Mar 31

PotatoesPlant outdoors · Mar 24 – Apr 7

LettuceSow outdoors · Mar 17 – Mar 31

Carrots, beetsSow outdoors · Mar 24 – Apr 7

TomatoesStart indoors · Feb 17 – Mar 3

TomatoesTransplant · Apr 21 – May 5

Peppers, eggplantStart indoors · Feb 3 – Feb 17

Peppers, eggplantTransplant · Apr 28 – May 12

BeansSow outdoors · Apr 21 – May 5

Sweet cornSow outdoors · Apr 21 – May 5

Cucumbers, squashSow outdoors · Apr 21 – May 5

Fall lettuce, spinachSow outdoors · Sep 2 – Sep 16

GarlicPlant cloves · Oct 14 – Nov 18

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 28) 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 79066 came on Feb 12 — 17 days earlier than the 1991–2020 average (Mar 1).

average
Mar 12026
Feb 12

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 7a in Texas

570 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

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 Pampa, TX.

Soil in Pampa, TX

The soil mapped at the center of ZIP 79066 is Pullman — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up

pH7.3neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter2.5%moderate

Hydrologic groupCwater soaks in slowly

Farmland classprime farmlandUSDA classification

Map unit: Pullman clay loam, 0 to 1 percent slopes.

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 79066; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pampa, TX

Summer high93 °Faverage high, July

Winter low23 °Faverage low, January

Hot days72days a year at 90 °F or more

Freezing nights110nights a year at 32 °F or less

Growing degree days4,464base 50 °F — the season’s usable heat

Longest day14 h 34 mindaylight on June 21

Shortest day9 h 45 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation22.8 inper year, rain and melted snow

Snowfall16 inper year; 13 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pampa #2, TX (5 mi away); precipitation: Pampa #2, TX (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

790657a

Pampa, TX · 8 mi

790977a

White Deer, TX · 9 mi

790547a

Lefors, TX · 15 mi

790807a

Skellytown, TX · 17 mi

All 2 ZIP codes in Pampa → · Texas planting zones →

Questions about 79066

What planting zone is ZIP code 79066?

ZIP code 79066 (Pampa, TX) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Pampa, TX?

The median last spring frost (32 °F) near 79066 is April 14; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pampa #2 station.

When is the first frost in Pampa, TX?

The median first fall frost near 79066 is October 28, giving a median frost-free growing season of 194 days.

When should I plant tomatoes in 79066?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 79066 get?

About 22.8 inches of precipitation a year and 16 inches of snowfall (NOAA 1991–2020 normals, Pampa #2 station).

How hot do summers get in Pampa, TX?

The average high peaks at 93 °F in July, with about 72 days a year at 90 °F or more.

What kind of soil does 79066 have?

The USDA soil survey maps Pullman at the center of ZIP 79066: clay loam, well drained, pH about 7.3 (neutral).

Did spring come early in Pampa, TX in 2026?

Spring leaf-out near 79066 came on Feb 12 in 2026, 17 days earlier than the 1991–2020 average (Mar 1), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pampa, TX?

Intermediate onions: the longest day near 79066 is 14 h 34 min, so day-neutral types bulb best; long-day varieties may not bulb fully.