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

Planting zone for Texarkana, TX

Texarkana, TX is in USDA zone 8b across its 6 ZIP codes. The median last spring frost is March 15 and the first fall frost November 17.

Texarkana on the zone map

Outlined: its 2 ZIP code areas · 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
ZIP codes6
Last frostMar 15
First frostNov 17
Growing season249 days

8b 6 ZIPs

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 15median — 50% chance of a later frost
Safe for tender plantsApril 4only 10% chance of frost after
First fall frostNovember 17median — 10% chance by Nov 1
Growing season249 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 1 and returns around December 1.

From the NOAA station Texarkana, TX, elevation 390 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 Texarkana

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 1 – Feb 15
SpinachSow outdoors · Feb 1 – Feb 22
Broccoli, cabbageStart indoors · Jan 4 – Jan 18
Broccoli, cabbageTransplant · Feb 22 – Mar 8
Onion setsPlant outdoors · Feb 15 – Mar 1
PotatoesPlant outdoors · Feb 22 – Mar 8
LettuceSow outdoors · Feb 15 – Mar 1
Carrots, beetsSow outdoors · Feb 22 – Mar 8
TomatoesStart indoors · Jan 18 – Feb 1
TomatoesTransplant · Mar 22 – Apr 5
Peppers, eggplantStart indoors · Jan 4 – Jan 18
Peppers, eggplantTransplant · Mar 29 – Apr 12
BeansSow outdoors · Mar 22 – Apr 5
Sweet cornSow outdoors · Mar 22 – Apr 5
Cucumbers, squashSow outdoors · Mar 22 – Apr 5
Fall lettuce, spinachSow outdoors · Sep 22 – Oct 6
GarlicPlant cloves · Nov 3 – Dec 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 15) and first fall frost (Nov 17) 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 75505 came on Feb 9 — about the same time as the 1991–2020 average (Feb 7).

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 75505 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 75505; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Texarkana, TX

Summer high94 °Faverage high, August
Winter low33 °Faverage low, January
Hot days82days a year at 90 °F or more
Freezing nights46nights a year at 32 °F or less
Growing degree days5,844base 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
Precipitation52.4 inper year, rain and melted snow
Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 54 °F, low 33 °F 54°33° JanFebruary: average high 59 °F, low 37 °F 59°37° FebMarch: average high 67 °F, low 44 °F 67°44° MarApril: average high 75 °F, low 51 °F 75°51° AprMay: average high 82 °F, low 62 °F 82°62° MayJune: average high 89 °F, low 70 °F 89°70° JunJuly: average high 93 °F, low 73 °F 93°73° JulAugust: average high 94 °F, low 72 °F 94°72° AugSeptember: average high 87 °F, low 65 °F 87°65° SepOctober: average high 77 °F, low 53 °F 77°53° OctNovember: average high 65 °F, low 42 °F 65°42° NovDecember: average high 56 °F, low 36 °F 56°36° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 4.26 in precipitation, 1 in snowfall 4.3❄1 JanFebruary: 4.58 in precipitation, 1 in snowfall 4.6❄1 FebMarch: 4.70 in precipitation 4.7 MarApril: 4.88 in precipitation 4.9 AprMay: 5.25 in precipitation 5.3 MayJune: 4.39 in precipitation 4.4 JunJuly: 3.40 in precipitation 3.4 JulAugust: 2.77 in precipitation 2.8 AugSeptember: 3.89 in precipitation 3.9 SepOctober: 4.78 in precipitation 4.8 OctNovember: 4.33 in precipitation 4.3 NovDecember: 5.18 in precipitation, 0.1 in snowfall 5.2 Dec

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

ZIP codes in Texarkana

Texas planting zones →

Questions about Texarkana

What planting zone is Texarkana, TX?

Texarkana, TX is in USDA hardiness zone 8b on the 2023 map (8b: 15 to 20 °F).

When is the last frost in Texarkana, TX?

The median last spring frost is March 15 and the median first fall frost is November 17 (NOAA 1991–2020 normals, Texarkana station).

When can I plant a garden in Texarkana, TX?

Cool-season crops like peas and spinach go in around Feb 1 – Feb 22; tomatoes, peppers, beans and squash after about Mar 22, once frost risk has passed.

What kind of onions grow in Texarkana, TX?

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

How much rain and snow does Texarkana, TX get?

About 52.4 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals).