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

Planting zone for 75951 — Jasper, TX

ZIP code 75951 (Jasper, Jasper County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 24 and the first fall frost December 1.

Where ZIP 75951 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostFeb 24
First frostDec 1
2012 zone8b

Was 8b 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 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Jasper, 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 Jasper, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 24median — 50% chance of a later frost
Safe for tender plantsMarch 23only 10% chance of frost after
First fall frostDecember 1median — 10% chance by Nov 9
Growing season280 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 3 and returns around December 22.

From the NOAA station Sam Rayburn Dam, TX — 9 miles away, elevation 190 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 75951

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 13 – Jan 27
SpinachSow outdoors · Jan 13 – Feb 3
Broccoli, cabbageStart indoors · Dec 16 – Dec 30
Broccoli, cabbageTransplant · Feb 3 – Feb 17
Onion setsPlant outdoors · Jan 27 – Feb 10
PotatoesPlant outdoors · Feb 3 – Feb 17
LettuceSow outdoors · Jan 27 – Feb 10
Carrots, beetsSow outdoors · Feb 3 – Feb 17
TomatoesStart indoors · Dec 30 – Jan 13
TomatoesTransplant · Mar 3 – Mar 17
Peppers, eggplantStart indoors · Dec 16 – Dec 30
Peppers, eggplantTransplant · Mar 10 – Mar 24
BeansSow outdoors · Mar 3 – Mar 17
Sweet cornSow outdoors · Mar 3 – Mar 17
Cucumbers, squashSow outdoors · Mar 3 – Mar 17
Fall lettuce, spinachSow outdoors · Oct 6 – Oct 20
GarlicPlant cloves · Nov 17 – Dec 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 24) and first fall frost (Dec 1) 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 75951 came on Jan 16 — 12 days earlier than the 1991–2020 average (Jan 28).

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 Jasper, TX

The soil mapped at the center of ZIP 75951 is Letney — loamy sand, well drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Letney-Tehran association, undulating.

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 75951; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jasper, TX

Summer high95 °Faverage high, August
Winter low41 °Faverage low, January
Hot days94days a year at 90 °F or more
Freezing nights30nights a year at 32 °F or less
Growing degree days7,086base 50 °F — the season’s usable heat
Longest day14 h 09 mindaylight on June 21
Shortest day10 h 08 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation58.4 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 60 °F, low 41 °F 60°41° JanFebruary: average high 64 °F, low 45 °F 64°45° FebMarch: average high 71 °F, low 51 °F 71°51° MarApril: average high 78 °F, low 58 °F 78°58° AprMay: average high 85 °F, low 66 °F 85°66° MayJune: average high 91 °F, low 73 °F 91°73° JunJuly: average high 94 °F, low 75 °F 94°75° JulAugust: average high 95 °F, low 74 °F 95°74° AugSeptember: average high 89 °F, low 70 °F 89°70° SepOctober: average high 81 °F, low 59 °F 81°59° OctNovember: average high 70 °F, low 50 °F 70°50° NovDecember: average high 62 °F, low 43 °F 62°43° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.55 in precipitation 4.5 JanFebruary: 4.34 in precipitation 4.3 FebMarch: 5.14 in precipitation 5.1 MarApril: 4.74 in precipitation 4.7 AprMay: 4.73 in precipitation 4.7 MayJune: 5.36 in precipitation 5.4 JunJuly: 3.61 in precipitation 3.6 JulAugust: 4.48 in precipitation 4.5 AugSeptember: 5.72 in precipitation 5.7 SepOctober: 5.01 in precipitation 5.0 OctNovember: 5.10 in precipitation 5.1 NovDecember: 5.60 in precipitation 5.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sam Rayburn Dam, TX (9 mi away); precipitation: Jasper, TX (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9a.

759319a
Brookeland, TX · 12 mi
759389a
Colmesneil, TX · 17 mi
759569a
Kirbyville, TX · 18 mi
759779a
Wiergate, TX · 19 mi
759809a
Zavalla, TX · 20 mi
776609a
Spurger, TX · 21 mi
759299a
Broaddus, TX · 22 mi
776249a
Hillister, TX · 22 mi

Texas planting zones →

Questions about 75951

What planting zone is ZIP code 75951?

ZIP code 75951 (Jasper, TX) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Jasper, TX?

The median last spring frost (32 °F) near 75951 is February 24; after March 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sam Rayburn Dam station.

When is the first frost in Jasper, TX?

The median first fall frost near 75951 is December 1, giving a median frost-free growing season of 280 days.

When should I plant tomatoes in 75951?

Start tomato seeds indoors around Dec 30 – Jan 13 and set transplants outside around Mar 3 – Mar 17, one to three weeks after the median last frost.

How much rain and snow does 75951 get?

About 58.4 inches of precipitation a year (NOAA 1991–2020 normals, Jasper station).

How hot do summers get in Jasper, TX?

The average high peaks at 95 °F in August, with about 94 days a year at 90 °F or more.

What kind of soil does 75951 have?

The USDA soil survey maps Letney at the center of ZIP 75951: loamy sand, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Jasper, TX in 2026?

Spring leaf-out near 75951 came on Jan 16 in 2026, 12 days earlier than the 1991–2020 average (Jan 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Jasper, TX?

Short-day onions: the longest day near 75951 is 14 h 09 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 75951 change?

Yes. The 2012 USDA map put 75951 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.