When to plant · 90 cities · zones 7a–10a

When to plant tomatoes in Texas

Start Roma Tomato seeds indoors around Jan 27 and transplant around Mar 17 — the Texas statewide median, counted from a last spring frost of Mar 10 across 1,989 ZIP codes and 439 NOAA stations.

Jan 27Start indoors6 weeks before last frost
Mar 17Plant outFeb 9 – Apr 9 across the state
Mar 10Last spring frostmedian · 1 in 10 years after Mar 31
May 31First harvest75 days from transplant

The rule: Six weeks indoors at 75–85 °F soil, then transplant a week after the last frost and cage at transplant.

Texas tomatoes, by cultivar

Statewide median last frost Mar 10, first fall frost Nov 20, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
Roma TomatoRoma VF (determinate paste)Jan 27Mar 17May 3175 from transplant
San Marzano TomatoSan Marzano (indeterminate paste)Jan 27Mar 17Jun 580 from transplant

Tight means first harvest lands within two weeks of the median first fall frost. Statewide dates are the ZIP-weighted median of every NOAA 1991–2020 station Texas's ZIP codes resolve to.

Tomatoes in Texas, city by city

Roma Tomato, scheduled from each city's nearest NOAA station — the same dates as its frost page.

CityLast frostStart indoorsPlant outFirst harvest
Houstonzone 9bFeb 2Dec 22Feb 9Apr 25
San Antoniozone 9aFeb 25Jan 14Mar 4May 18
Dallaszone 8bMar 2Jan 19Mar 9May 23
Fort Worthzone 8bMar 5Jan 22Mar 12May 26
Austinzone 9aFeb 20Jan 9Feb 27May 13
El Pasozone 8bMar 2Jan 19Mar 9May 23
Arlingtonzone 8bMar 9Jan 26Mar 16May 30
Corpus Christizone 10aJan 16Dec 5Jan 23Apr 8
Planozone 8bMar 7Jan 24Mar 14May 28
Lubbockzone 7bApr 4Feb 21Apr 11Jun 25
Laredozone 9bJan 25Dec 14Feb 1Apr 17
Irvingzone 8bMar 8Jan 25Mar 15May 29
Garlandzone 8bMar 7Jan 24Mar 14May 28
Friscozone 8bMar 7Jan 24Mar 14May 28
McKinneyzone 8bMar 17Feb 3Mar 24Jun 7
Grand Prairiezone 8bMar 20Feb 6Mar 27Jun 10
Amarillozone 7aApr 13Mar 2Apr 20Jul 4
Brownsvillezone 10aJan 6Nov 25Jan 13Mar 29
Dentonzone 8aMar 13Jan 30Mar 20Jun 3
Killeenzone 8bMar 14Jan 31Mar 21Jun 4
Mesquitezone 8bMar 2Jan 19Mar 9May 23
Pasadenazone 9bJan 30Dec 19Feb 6Apr 22
McAllenzone 10aJan 9Nov 28Jan 16Apr 1
Wacozone 8bMar 9Jan 26Mar 16May 30
Midlandzone 8bMar 26Feb 12Apr 2Jun 16
Lewisvillezone 8bMar 14Jan 31Mar 21Jun 4
Carrolltonzone 8bMar 7Jan 24Mar 14May 28
Round Rockzone 9aMar 11Jan 28Mar 18Jun 1
Abilenezone 8aMar 20Feb 6Mar 27Jun 10
Pearlandzone 9bJan 31Dec 20Feb 7Apr 23
College Stationzone 9aFeb 27Jan 16Mar 6May 20
Odessazone 8bMar 15Feb 1Mar 22Jun 5
League Cityzone 9bJan 31Dec 20Feb 7Apr 23
Richardsonzone 8bMar 7Jan 24Mar 14May 28
New Braunfelszone 9aFeb 25Jan 14Mar 4May 18
Conroezone 9aFeb 24Jan 13Mar 3May 17
Allenzone 8bMar 18Feb 4Mar 25Jun 8
Beaumontzone 9bFeb 14Jan 3Feb 21May 7
Tylerzone 8bMar 7Jan 24Mar 14May 28
Sugar Landzone 9bFeb 9Dec 29Feb 16May 2
Edinburgzone 10aJan 8Nov 27Jan 15Mar 31
Wichita Fallszone 8aMar 26Feb 12Apr 2Jun 16
Georgetownzone 9aMar 6Jan 23Mar 13May 27
San Angelozone 8aMar 20Feb 6Mar 27Jun 10
Templezone 8bMar 14Jan 31Mar 21Jun 4
Bryanzone 9aFeb 27Jan 16Mar 6May 20
Missionzone 10aJan 9Nov 28Jan 16Apr 1
Leanderzone 9aMar 2Jan 19Mar 9May 23
Baytownzone 9bFeb 20Jan 9Feb 27May 13
Longviewzone 8bMar 7Jan 24Mar 14May 28
Pharrzone 10aJan 9Nov 28Jan 16Apr 1
Mansfieldzone 8bMar 9Jan 26Mar 16May 30
Flower Moundzone 8bMar 14Jan 31Mar 21Jun 4
Missouri Cityzone 9bFeb 15Jan 4Feb 22May 8
Cedar Parkzone 9aMar 11Jan 28Mar 18Jun 1
San Marcoszone 9aFeb 28Jan 17Mar 7May 21
Harlingenzone 10aJan 9Nov 28Jan 16Apr 1
North Richland Hillszone 8bMar 10Jan 27Mar 17May 31
Rowlettzone 8bMar 10Jan 27Mar 17May 31
Pflugervillezone 9aMar 11Jan 28Mar 18Jun 1
Victoriazone 9bFeb 14Jan 3Feb 21May 7
Kylezone 9aFeb 28Jan 17Mar 7May 21
Wyliezone 8bMar 10Jan 27Mar 17May 31
Little Elmzone 8bMar 13Jan 30Mar 20Jun 3
Eulesszone 8bMar 8Jan 25Mar 15May 29
Texas Cityzone 10aJan 18Dec 7Jan 25Apr 10
DeSotozone 8bMar 6Jan 23Mar 13May 27
Burlesonzone 8bMar 21Feb 7Mar 28Jun 11
Port Arthurzone 9bFeb 14Jan 3Feb 21May 7
Fulshearzone 9aFeb 28Jan 17Mar 7May 21
Rockwallzone 8bMar 10Jan 27Mar 17May 31
Galvestonzone 10aJan 18Dec 7Jan 25Apr 10
Celinazone 8bMar 17Feb 3Mar 24Jun 7
Grapevinezone 8bMar 14Jan 31Mar 21Jun 4
Shermanzone 8aMar 14Jan 31Mar 21Jun 4
Cedar Hillzone 8bMar 20Feb 6Mar 27Jun 10
Huntsvillezone 9aMar 1Jan 18Mar 8May 22
Bedfordzone 8bMar 8Jan 25Mar 15May 29
Waxahachiezone 8bMar 16Feb 2Mar 23Jun 6
Kellerzone 8bMar 12Jan 29Mar 19Jun 2
The Colonyzone 8bMar 7Jan 24Mar 14May 28
Haltom Cityzone 8bMar 10Jan 27Mar 17May 31
Prosperzone 8bMar 17Feb 3Mar 24Jun 7
Schertzzone 9aMar 8Jan 25Mar 15May 29
Midlothianzone 8bMar 16Feb 2Mar 23Jun 6
Weslacozone 10aJan 8Nov 27Jan 15Mar 31
Huttozone 9aMar 8Jan 25Mar 15May 29
Rosenbergzone 9aFeb 9Dec 29Feb 16May 2
Coppellzone 8bMar 14Jan 31Mar 21Jun 4
Friendswoodzone 9bJan 31Dec 20Feb 7Apr 23

What Texas tomatoes need

SeedsThe cultivar decides the sauce. Everything downstream is damage control.
  • Roma Tomato Seed (300+)

    The determinate paste tomato: it ripens most of its crop inside a three-week window. That is a liability for eating and an enormous advantage for sauce day.

  • San Marzano Tomato SeedMust have

    The paste tomato Italian canners actually use. Low seed cavity, low water, high pectin: it reduces to a sauce in half the time a slicer takes and never tastes thin.

StartSoil temperature and light intensity, indoors, weeks before your frost date.
  • Organic Seed Starter Potting MixMust have

    Seed-starting mix is not potting soil with a nicer label — it is finer, lighter, and low in nutrients on purpose, because a seedling's first roots want air and moisture, not fertiliser.

  • Seedling Heat Mat + Digital ThermostatMust have

    Peppers germinate on soil temperature, not air temperature. At 65 °F a habanero takes a month and half of them rot; at 85 °F it is up in eight days. The thermostat is the half that matters.

  • T8 Full-Spectrum Grow Lights, 1 ft 4-packMust have

    A south window in March delivers a fraction of the light a pepper seedling needs, and the plant tells you by stretching. Two inches of LED above the canopy for 16 hours a day fixes it permanently.

  • 72-Cell Trays with 1020 Bottoms, 5-PackMust have

    The cheap black nursery trays crack after one season and flex enough to break roots when you lift them. These do not. Over five seasons the price per use is lower than the throwaways.

GrowRoot volume, nutrition and structure. Where most home crops actually fail.
  • 5-Gallon Fabric Grow Bags, 5-Pack

    Fabric pots air-prune roots and drain faster than a plastic pot can, which is the entire reason container tomatoes fail. Five gallons is the honest minimum for a pepper; a tomato wants ten.

  • Ocean Forest Potting SoilMust have

    Pre-charged with enough nutrition to carry a transplant for its first month without feeding, which is exactly the window when most container plants stall.

  • Organic Tomato-Tone 3-4-6 with 8% CalciumMust have

    The NPK ratio is the point: low nitrogen, higher potassium. Feed a tomato a high-nitrogen lawn fertiliser and you get a magnificent six-foot plant with four tomatoes on it.

  • Rot-Stop Blossom End Rot Concentrate

    Blossom end rot is almost never a soil calcium shortage — it is a calcium *transport* failure caused by inconsistent water. A foliar calcium spray buys time while you fix the watering, which is the real cure.

  • 58" Square Tomato Cages, 3-PackMust have

    The conical wire tomato ring from the hardware store is 33 inches tall and an indeterminate San Marzano will laugh at it in July. Height and square geometry are what actually hold a loaded plant.

  • Drip Irrigation System with Timer, 16 Nozzles

    Blossom end rot, split tomatoes and bitter fruit all trace back to the same thing: water that swings. A $50 timer removes the human from the loop and removes the swing.

ProtectFrost, hornworms, aphids, and the fungal pressure that follows a wet July.
  • Captain Jack Copper Fungicide, 16 oz

    Early blight and septoria arrive with a wet July and work up the plant from the bottom. Copper is preventative — sprayed after you see it, you are already losing.

  • Thuricide BT Concentrate, 16 oz

    Bacillus thuringiensis kills caterpillars and nothing else. For tomato hornworms — which can strip a plant in 48 hours — it is the most targeted tool that exists.

CookReduction, texture, and the non-reactive pans that keep tomato tasting like tomato.
  • Stainless Steel Food Mill, 3 discsMust have

    A blender pulverises tomato skins and seeds into the sauce, which is where bitterness comes from. A mill separates them out — no blanching, no peeling, no ice bath. It removes an entire hour from sauce day.

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Tomatoes in Texas: questions

When should I plant tomatoes in Texas?

Transplant around Mar 17 at the statewide median; across the state that date runs from Feb 9 in the warmest tenth of Texas's ZIP codes to Apr 9 in the coldest. To cut the freeze risk to one year in ten, count from Mar 31 instead of the median last frost. Use the city table for your own town.

When do I start tomatoes seeds indoors in Texas?

Around Jan 27 for Roma Tomato: 6 weeks before the statewide median last frost, on soil held at 75–85 °F.

When is the last frost in Texas?

The ZIP-weighted median of NOAA 1991–2020 station medians is Mar 10. In the warmest tenth of Texas's ZIP codes the median last frost falls on or before Feb 2; in the coldest tenth, on or after Apr 2.

When will Texas tomatoes be ready to harvest?

Roma Tomato planted on the statewide date is ready around May 31: 75 days from transplant.

More for Texas

Tomatoes in every state → · Texas frost dates → · How frost-date math works →