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

Planting zone for 79528 — Jayton, TX

ZIP code 79528 (Jayton, Kent County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 1 and the first fall frost November 5.

Where ZIP 79528 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.

Zone8a10 to 15 °F

Coldest night−12.2 to −9.4 °C

Last frostApr 1

First frostNov 5

2012 zone7b

Was 7b 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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Jayton, 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 Jayton, TX

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostApril 1median — 50% chance of a later frost

Safe for tender plantsApril 19only 10% chance of frost after

First fall frostNovember 5median — 10% chance by Oct 22

Growing season220 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 15 and returns around November 14.

From the NOAA station Jayton, TX — 6 miles away, elevation 2,011 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 79528

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 18 – Mar 4

SpinachSow outdoors · Feb 18 – Mar 11

Broccoli, cabbageStart indoors · Jan 21 – Feb 4

Broccoli, cabbageTransplant · Mar 11 – Mar 25

Onion setsPlant outdoors · Mar 4 – Mar 18

PotatoesPlant outdoors · Mar 11 – Mar 25

LettuceSow outdoors · Mar 4 – Mar 18

Carrots, beetsSow outdoors · Mar 11 – Mar 25

TomatoesStart indoors · Feb 4 – Feb 18

TomatoesTransplant · Apr 8 – Apr 22

Peppers, eggplantStart indoors · Jan 21 – Feb 4

Peppers, eggplantTransplant · Apr 15 – Apr 29

BeansSow outdoors · Apr 8 – Apr 22

Sweet cornSow outdoors · Apr 8 – Apr 22

Cucumbers, squashSow outdoors · Apr 8 – Apr 22

Fall lettuce, spinachSow outdoors · Sep 10 – Sep 24

GarlicPlant cloves · Oct 22 – Nov 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 1) and first fall frost (Nov 5) 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 79528 came on Feb 9 — 3 days earlier than the 1991–2020 average (Feb 12).

average
Feb 122026
Feb 9

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).

Soil in Jayton, TX

The soil mapped at the center of ZIP 79528 is Heatly — fine sand, well drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding

pH6.7neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter0.55%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Heatly-Nobscot complex, 0 to 5 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 79528; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jayton, TX

Summer high97 °Faverage high, July

Winter low28 °Faverage low, January

Hot days105days a year at 90 °F or more

Freezing nights82nights a year at 32 °F or less

Growing degree days5,711base 50 °F — the season’s usable heat

Longest day14 h 21 mindaylight on June 21

Shortest day9 h 57 mindaylight on December 21

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

Precipitation23.3 inper year, rain and melted snow

Snowfall4 inper year; 2 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: Jayton, TX (6 mi away); precipitation: Jayton, TX (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

795188a

Girard, TX · 14 mi

795028a

Aspermont, TX · 18 mi

Old Glory, TX · 29 mi

Texas planting zones →

Questions about 79528

What planting zone is ZIP code 79528?

ZIP code 79528 (Jayton, TX) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Jayton, TX?

The median last spring frost (32 °F) near 79528 is April 1; after April 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jayton station.

When is the first frost in Jayton, TX?

The median first fall frost near 79528 is November 5, giving a median frost-free growing season of 220 days.

When should I plant tomatoes in 79528?

Start tomato seeds indoors around Feb 4 – Feb 18 and set transplants outside around Apr 8 – Apr 22, one to three weeks after the median last frost.

How much rain and snow does 79528 get?

About 23.3 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Jayton station).

How hot do summers get in Jayton, TX?

The average high peaks at 97 °F in July, with about 105 days a year at 90 °F or more.

What kind of soil does 79528 have?

The USDA soil survey maps Heatly at the center of ZIP 79528: fine sand, well drained, pH about 6.7 (neutral).

Did spring come early in Jayton, TX in 2026?

Spring leaf-out near 79528 came on Feb 9 in 2026, 3 days earlier than the 1991–2020 average (Feb 12), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Jayton, TX?

Intermediate onions: the longest day near 79528 is 14 h 21 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 79528 change?

Yes. The 2012 USDA map put 79528 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.