US Grow Zones

Wichita Falls, Texas: planting zone & frost dates

Last updated · Sources: PRISM/OSU 2023 ZIP zone listings; NOAA NCEI 1991–2020 Climate Normals (station USW00013966); U.S. Census Bureau — see methodology

Wichita Falls is in USDA plant hardiness zone 8a, where the average coldest winter night reaches 10 to 15°F (-12.2 to -9.4°C). The typical last spring frost is around Apr 2 and the first fall frost around Nov 4.

Hardiness zone8A10 to 15°F
Last spring frostApr 230% chance of frost after
First fall frostNov 430% chance of frost before
Growing season228 daysmedian frost-free days

Frost dates

ProbabilityLast spring frost (32°F)First fall frost (32°F)
Safer (10% risk)Apr 14Oct 25
Typical planning date (30% risk)Apr 2Nov 4
Median (50%)Mar 26Nov 9

How to read this: after the spring "10% risk" date, a 32°F frost happens in only about 1 year in 10. In fall, the "10% risk" date is the early end — a frost before it happens about 1 year in 10.

Frost data comes from NOAA station WICHITA FALLS MUNI AP, TX (USW00013966), 5.3 mi (8.6 km) from the city center and 30 ft higher than the city center (+9 m). Record used for the 1991–2020 normals: 29 years.

Frost probability in spring and fall, Wichita Falls, TXChance of a 32°F frost in Wichita Falls, TX, NOAA 1991–2020. Spring: the chance of another frost falls from 90% on Mar 8 to 10% on Apr 14. Fall: the chance that the first frost has arrived rises from 10% on Oct 25 to 90% on Nov 24.0%50%100%Spring: later frostMar 1Mar 15Apr 1Apr 1530%: Apr 2Fall: frost arrivedNov 1Nov 15Dec 130%: Nov 432°F frost28°F hard freezeplanning date
Shaded areas show the chance of a 32°F frost: falling through spring, rising through fall. The dashed line is the 28°F hard-freeze curve. Data: NOAA 1991–2020 Normals, station USW00013966.
Frost-free growing season in Wichita Falls, TX1 in 10 risk: Apr 14 to Oct 25 (194 days); 3 in 10 risk: Apr 2 to Nov 4 (216 days); Median (50%): Mar 26 to Nov 9 (228 days); No 28°F freeze: Mar 12 to Nov 18 (251 days). In 9 of 10 years the 32°F-free season is at least 205 days.Frost-free days, spring to fallJFMAMJJASOND1 in 10 risk194 days3 in 10 risk216 daysMedian (50%)228 daysNo 28°F freeze251 days
Frost-free window at three risk levels, plus the window between 28°F hard freezes. Read about what the probabilities mean.

Why your yard may differ from the station: microclimates.

Hardiness zone across Wichita Falls

All 9 ZIP codes covering Wichita Falls are in zone 8a.

ZIP codes in Wichita Falls and their zones
ZIPZoneShare of city land
763068a19.9%
763108a17.2%
763018a15.6%
763028a12.6%
763058a11.9%
763088a9.4%
763098a7.7%
763118a2.8%
763678a2.8%

Vegetable planting calendar for Wichita Falls

Dates are counted from the 30%-risk frost dates above (last frost Apr 2, first frost Nov 4). Shift a week later in cold spots or low-lying ground.

CropStart indoorsTransplant / plant outDirect sowFall crop sow/plant
TomatoFeb 5 – Feb 19Apr 9 – Apr 23——
PepperJan 22 – Feb 5Apr 16 – Apr 30——
LettuceFeb 19 – Mar 5Mar 19 – Apr 9Mar 5 – Apr 16Aug 26 – Sep 23
Green Beans——Apr 9 – May 14Aug 12 – Aug 26
Sweet Corn——Apr 9 – May 7—
Zucchini & Summer SquashMar 5 – Mar 12Apr 9 – Apr 23Apr 9 – Apr 30Aug 12 – Aug 26
CucumberMar 5 – Mar 12Apr 16 – Apr 23Apr 9 – Apr 30Aug 12 – Aug 26
Carrot——Mar 12 – Apr 16Aug 12 – Aug 26
OnionJan 8 – Jan 22Mar 5 – Mar 19——
Potato—Mar 5 – Mar 26——
BasilFeb 19 – Mar 5Apr 16 – Apr 30Apr 16 – May 7—
Spinach——Feb 19 – Mar 19Sep 9 – Oct 7
KaleFeb 5 – Feb 19Mar 5 – Mar 26Mar 5 – Mar 26Aug 26 – Sep 23
BroccoliFeb 5 – Feb 19Mar 19 – Apr 9—Aug 12 – Aug 26
Peas——Feb 19 – Mar 12Aug 26 – Sep 9
EggplantJan 22 – Feb 5Apr 16 – Apr 30——
CabbageFeb 5 – Feb 19Mar 5 – Mar 19—Aug 12 – Aug 26
Radish——Feb 26 – Apr 16Sep 23 – Oct 21
Strawberry—Mar 5 – Mar 26——
Beets——Mar 12 – Apr 23Aug 26 – Sep 9

Nearby cities in Texas

More: all Texas cities · other zone 8a cities: Charlotte, NC, Memphis, TN, Atlanta, GA, Raleigh, NC, Greensboro, NC, Durham, NC, Winston-Salem, NC, Chesapeake, VA

Wichita Falls gardening questions

When is the last frost in Wichita Falls, TX?

Plan around Apr 2. At NOAA's Wichita Falls Municipal Airport, TX station, 5.3 mi from the city center, there is a 30% chance of a 32°F frost after that date. Half of springs have their last frost by Mar 26, and after Apr 14 the risk drops to about 1 in 10. A hard freeze (28°F) usually ends earlier, around Mar 12. The 90% and 10% dates are 37 days apart, close to the 36-day median for cities on this site.

When should I plant tomatoes in Wichita Falls, TX?

Start seeds indoors Feb 5 – Feb 19 and set transplants outside Apr 9 – Apr 23, once nights stay above 50°F and the soil is near 60°F. That leaves 216 days between the 30% frost dates, enough for most varieties including 80–85-day slicers. More: tomato planting dates by zone.

How long is the growing season in Wichita Falls?

About 228 days without a 32°F frost in a typical (median) year. In 9 years out of 10 the season lasts at least 205 days, and in 1 year in 10 it runs 251 days or more. In fall there is a 10% chance of frost by Oct 25 and a 30% chance by Nov 4. That ranks 52nd longest of 55 Texas cities on this site.

When should I plant a fall garden in Wichita Falls?

Count back from the first fall frost (Nov 4): transplant broccoli Aug 12 – Aug 26; sow kale Aug 26 – Sep 23; sow lettuce Aug 26 – Sep 23; sow radishes Sep 23 – Oct 21. Hardy crops keep growing through light frosts; the median 28°F hard freeze here is Nov 18. How the math works: succession and fall planting.

Did Wichita Falls's hardiness zone change on the 2023 map?

Yes. Most of Wichita Falls was zone 7b on the 2012 map and is zone 8a on the 2023 map — half a zone warmer, like about 56% of U.S. ZIP codes. The shift comes from a newer 1991–2020 averaging period plus more weather stations and better mapping; it does not mean last frost comes earlier. Why the 2023 map is warmer.

How does Wichita Falls compare with Lawton, OK?

Wichita Falls is zone 8a and Lawton is zone 7b. The typical last spring frost in Wichita Falls (Apr 2) comes about the same time as in Lawton, OK (Apr 3), 49 miles away, and the first fall frost is Nov 4 versus Nov 1. Wichita Falls sits about 152 ft lower, which explains part of the gap. The two cities use different NOAA stations.