When is the last frost in Texarkana, TX?

The average last spring frost (50% probability of 32°F) in Texarkana is around March 4, based on NOAA/NCEI 1991–2020 normals at the Wright Patman Dm & Lk, TX station (4.8 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Texarkana?

The average first fall frost in Texarkana, TX is around November 21, giving roughly a 261-day frost-free growing season.

What planting zone is Texarkana, TX?

Texarkana is in USDA plant hardiness zone 8b (average annual extreme minimum temperature 15 to 20°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Texarkana?

In Texarkana, TX the warmest month is July (avg high 92.3°F) and the coldest is January (avg low 35.1°F). It averages about 50.6″ of precipitation a year and 0.9″ of snow.

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Texarkana, TX Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 75501 · elevation 86′ · NOAA & USDA data

Texarkana is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 261 days between the average last spring frost (March 4) and first fall frost (November 21). The warmest month is July (avg high 92.3°F); the coldest is January (avg low 35.1°F). It averages 50.6″ of precipitation a year and 0.9″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 15 to 20°F

Last spring frost

March 4

avg (50% prob, 32°F)

First fall frost

November 21

avg (50% prob, 32°F)

Growing season

261 days

frost-free window

Warmest month

July

avg high 92.3°F

Month-by-month typical weather in Texarkana

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Wright Patman Dm & Lk, TX (4.8 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	54.2	35.1	44.6	4.1	0.2
February	58.5	38.5	48.5	4.5	0.6
March	66.4	46.4	56.4	4.6	0
April	74.1	54	64	4.2	0
May	81.2	63.1	72.2	5.2	0
June	88.4	70.9	79.6	4.4	0
July	92.3	73.7	83	3.6	0
August	92.2	73	82.6	3.2	0
September	86.6	66.2	76.4	3.3	0
October	76.1	54.3	65.2	4.3	0
November	64.3	44.4	54.3	4.4	0
December	56.3	37.6	47	4.8	0.1

What to plant when in Texarkana

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: January 21 · Transplant out: March 11
Peppers	warm	Start seeds indoors: January 7 · Transplant out: March 18
Cucumbers	warm	Direct sow: March 11
Zucchini / squash	warm	Direct sow: March 11
Bush beans	warm	Direct sow: March 11
Sweet corn	warm	Direct sow: March 11
Basil	warm	Transplant out: March 11
Peas	cool	Sow (spring): January 28 · Sow (fall): September 26
Spinach	cool	Sow (spring): January 21 · Sow (fall): September 26
Lettuce	cool	Sow (spring): February 4 · Sow (fall): September 26
Kale	cool	Transplant (spring): February 11 · Sow (fall): September 12
Broccoli	cool	Transplant (spring): February 18
Carrots	cool	Sow (spring): February 11 · Sow (fall): September 12
Onions	cool	Transplant (spring): February 4
Potatoes	cool	Plant seed potatoes: February 18
Radishes	cool	Sow (spring): February 4 · Sow (fall): October 10

Dates are computed from Texarkana's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

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Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Wright Patman Dm & Lk, TX, 4.8 mi (confidence: high). Monthly weather normals: Wright Patman Dm & Lk, TX, 4.8 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.