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

Planting zone for 75501 — Texarkana, TX

ZIP code 75501 (Texarkana, Bowie County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 4 and the first fall frost November 21.

Where ZIP 75501 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 4
First frostNov 21
2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Texarkana, 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 Texarkana, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 4median — 50% chance of a later frost
Safe for tender plantsMarch 24only 10% chance of frost after
First fall frostNovember 21median — 10% chance by Nov 3
Growing season261 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 19 and returns around December 5.

From the NOAA station Wright Patman Dm & Lk, TX — 5 miles away, elevation 282 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 75501

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 21 – Feb 4
SpinachSow outdoors · Jan 21 – Feb 11
Broccoli, cabbageStart indoors · Dec 24 – Jan 7
Broccoli, cabbageTransplant · Feb 11 – Feb 25
Onion setsPlant outdoors · Feb 4 – Feb 18
PotatoesPlant outdoors · Feb 11 – Feb 25
LettuceSow outdoors · Feb 4 – Feb 18
Carrots, beetsSow outdoors · Feb 11 – Feb 25
TomatoesStart indoors · Jan 7 – Jan 21
TomatoesTransplant · Mar 11 – Mar 25
Peppers, eggplantStart indoors · Dec 24 – Jan 7
Peppers, eggplantTransplant · Mar 18 – Apr 1
BeansSow outdoors · Mar 11 – Mar 25
Sweet cornSow outdoors · Mar 11 – Mar 25
Cucumbers, squashSow outdoors · Mar 11 – Mar 25
Fall lettuce, spinachSow outdoors · Sep 26 – Oct 10
GarlicPlant cloves · Nov 7 – Dec 12
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 4) and first fall frost (Nov 21) 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 75501 came on Feb 9 — about the same time as the 1991–2020 average (Feb 8).

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 8b in Texas

620 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

Trees 70

Shrubs 137

Wildflowers & perennials 204

Grasses 188

Vines 14

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 Texarkana, TX.

Soil in Texarkana, TX

The soil mapped at the center of ZIP 75501 is Saffell — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Saffell gravelly sandy loam, 3 to 8 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 75501; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Texarkana, TX

Summer high92 °Faverage high, July
Winter low35 °Faverage low, January
Hot days77days a year at 90 °F or more
Freezing nights44nights a year at 32 °F or less
Growing degree days5,957base 50 °F — the season’s usable heat
Longest day14 h 22 mindaylight on June 21
Shortest day9 h 56 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation53.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 54 °F, low 35 °F 54°35° JanFebruary: average high 59 °F, low 39 °F 59°39° FebMarch: average high 66 °F, low 46 °F 66°46° MarApril: average high 74 °F, low 54 °F 74°54° AprMay: average high 81 °F, low 63 °F 81°63° MayJune: average high 88 °F, low 71 °F 88°71° JunJuly: average high 92 °F, low 74 °F 92°74° JulAugust: average high 92 °F, low 73 °F 92°73° AugSeptember: average high 87 °F, low 66 °F 87°66° SepOctober: average high 76 °F, low 54 °F 76°54° OctNovember: average high 64 °F, low 44 °F 64°44° NovDecember: average high 56 °F, low 38 °F 56°38° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.36 in precipitation 4.4 JanFebruary: 4.61 in precipitation 4.6 FebMarch: 4.81 in precipitation 4.8 MarApril: 4.84 in precipitation 4.8 AprMay: 5.46 in precipitation 5.5 MayJune: 4.95 in precipitation 5.0 JunJuly: 3.28 in precipitation 3.3 JulAugust: 2.94 in precipitation 2.9 AugSeptember: 3.81 in precipitation 3.8 SepOctober: 4.62 in precipitation 4.6 OctNovember: 4.40 in precipitation 4.4 NovDecember: 5.25 in precipitation 5.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wright Patman Dm & Lk, TX (5 mi away); precipitation: Wake Village 0.8 Wnw, TX (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

All 6 ZIP codes in Texarkana → · Texas planting zones →

Questions about 75501

What planting zone is ZIP code 75501?

ZIP code 75501 (Texarkana, TX) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Texarkana, TX?

The median last spring frost (32 °F) near 75501 is March 4; after March 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wright Patman Dm & Lk station.

When is the first frost in Texarkana, TX?

The median first fall frost near 75501 is November 21, giving a median frost-free growing season of 261 days.

When should I plant tomatoes in 75501?

Start tomato seeds indoors around Jan 7 – Jan 21 and set transplants outside around Mar 11 – Mar 25, one to three weeks after the median last frost.

How much rain and snow does 75501 get?

About 53.3 inches of precipitation a year (NOAA 1991–2020 normals, Wake Village 0.8 Wnw station).

How hot do summers get in Texarkana, TX?

The average high peaks at 92 °F in July, with about 77 days a year at 90 °F or more.

What kind of soil does 75501 have?

The USDA soil survey maps Saffell at the center of ZIP 75501: sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Texarkana, TX in 2026?

Spring leaf-out near 75501 came on Feb 9 in 2026, about the same as the 1991–2020 average (Feb 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Texarkana, TX?

Intermediate onions: the longest day near 75501 is 14 h 22 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 75501 change?

Yes. The 2012 USDA map put 75501 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.