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Laredo, Texas planting calendar and frost dates

Laredo is in USDA hardiness zone 9b. The last spring frost typically comes around January 25 and the first fall frost around December 17, giving about 329 frost-free days a year.

Hardiness zone
Zone 9b
Typical last frost
January 25
Typical first frost
December 17
Frost-free season
329 days

Frost dates in Laredo

Last spring frost

  • December 25Risky: frost later than this in 9 years out of 10
  • January 25Typical: a later frost in half of years
  • February 25Safe: a later frost only 1 year in 10

First fall frost

  • November 23Risky: frost earlier than this 1 year in 10
  • December 17Typical: an earlier frost in half of years
  • New yearLate: in about 1 year in 10, the first frost waits until after December 31

The growing season between the typical last and first frosts is about 329 days. Frost here means a low of 32°F at the weather station. A hard freeze (28°F), which damages most hardy crops too, typically ends around January 8 and returns around December 30.

NOAA U.S. Climate Normals 1991-2020 for Laredo 2, 4.3 miles N of the city center. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers.

What to plant each month in Laredo

  1. January

    Start indoors: cantaloupes, cosmos, cucumbers, okra, pumpkins, ranunculus, watermelons, winter squash, zucchini

    Plant or sow outdoors: asparagus, avocados, beets, black-eyed susans, blackberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, dahlias, dill, figs, garden mums, gladioli, grapes, green onions, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, onions, oregano, parsley, petunias, potatoes, radishes, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, swiss chard, thyme, turnips

  2. February

    Start indoors: zinnias

    Plant or sow outdoors: avocados, basil, cantaloupes, celery, chives, cilantro, cosmos, cucumbers, dahlias, dill, eggplants, garden mums, ginger, gladioli, grapes, green beans, green onions, lavenders, lettuce, lilies, marigolds, mints, nasturtiums, okra, oregano, parsley, peanuts, peppers, petunias, pumpkins, ranunculus, rosemary, sage, spinach, sunflowers, sweet corn, sweet potatoes, swiss chard, thyme, tomatoes, watermelons, winter squash, zucchini

  3. March

    Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, okra, peanuts, st. augustinegrass, sweet potatoes, zinnias, zoysiagrass

  4. April

    Plant or sow outdoors: bermudagrass, centipedegrass, st. augustinegrass, zinnias, zoysiagrass

  5. August

    Plant for fall: peppers, potatoes

  6. September

    Plant for fall: bearded irises, brussels sprouts, carrots, collard greens, cucumbers, green beans, lettuce, peas, peppers, potatoes, snapdragons, sweet corn, swiss chard, tomatoes, zucchini

  7. October

    Start indoors: onions

    Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, collard greens, coneflowers, cucumbers, daylilies, green beans, hostas, hydrangeas, kale, lettuce, peas, radishes, roses, saffron, snapdragons, spinach, swiss chard, turnips, zucchini

  8. November

    Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, chives, collard greens, eggplants, ginger, kale, leeks, lettuce, marigolds, onions, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons

    Plant for fall: azaleas, bearded irises, cabbages, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, hydrangeas, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, roses, saffron, spinach, tall fescue, tulips

  9. December

    Start indoors: basil, black-eyed susans, cabbages, cantaloupes, cauliflower, celery, chives, cilantro, collard greens, eggplants, ginger, lettuce, marigolds, nasturtiums, peppers, ranunculus, sage, snapdragons, spinach, swiss chard, tomatoes, watermelons

    Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, blueberries, broccoli, cauliflower, chives, cilantro, collard greens, figs, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, kentucky bluegrass, leeks, onions, peas, poppies, radishes, ranunculus, raspberries, rhubarb, roses, spinach, strawberries, sweet peas, swiss chard, tall fescue, turnips, wildflowers

    Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips

Frost dates and zones by ZIP code in Laredo

All 5 of Laredo's main ZIP codes take their frost dates from Laredo 2, so the dates on this page apply across the city. Every one of them is in zone 9b.

ZIP codeZoneWeather stationTypical last frostTypical first frost
780409bLaredo 2, 4.3 mi NJan 25Dec 17
780419bLaredo 2, 4.3 mi NJan 25Dec 17
780439bLaredo 2, 4.3 mi NJan 25Dec 17
780459bLaredo 2, 4.3 mi NJan 25Dec 17
780469bLaredo 2, 4.3 mi NJan 25Dec 17

Planting dates for popular crops in Laredo

PlantStart indoorsPlant or sow outdoorsFall planting
TomatoesDec 7 to 21Feb 1 to 15Sep 3 to 10
Strawberries—Dec 14 to 28—
LettuceNov 30 to Dec 14Jan 18 to Feb 1Sep 17 to Oct 22
CilantroDec 14 to 28Jan 25 to Feb 1—
BasilDec 14 to 28Feb 1 to 8—
Potatoes—Jan 4 to 11Aug 27 to Sep 3
Garlic—Dec 14 to 28Dec 17 to 31
OnionsOct 5 to Nov 16Dec 28 to Jan 11—
CucumbersJan 4 to 18Feb 1 to 15Sep 17 to Oct 1
PumpkinsJan 11 to 25Feb 8 to 22—
PeppersNov 16 to Dec 14Feb 1 to 15Aug 27 to Sep 24
Carrots—Jan 4 to 25Sep 24 to Oct 15
Sweet Potatoes—Feb 25 to Mar 4—
WatermelonsDec 28 to Jan 11Feb 1 to 15—
Sweet Corn—Jan 25 to Feb 8Sep 10 to 24
Green Beans—Feb 1 to 15Sep 24 to Oct 1
ZucchiniJan 4 to 18Feb 1 to 15Sep 24 to Oct 8
BroccoliNov 9 to 30Dec 28 to Jan 11Oct 1 to 29
Peas—Dec 14 to 28Sep 24 to Oct 8
SpinachDec 14 to 21Jan 18 to Feb 1Oct 8 to Nov 12
Sunflowers—Jan 25 to Feb 15—
ZinniasFeb 18 to 25Mar 18 to Apr 1—
Tulips——Nov 5 to Dec 31
Daffodils——Nov 5 to Dec 17
Grass Seed—Dec 14 to 28Nov 5 to 19

Nearby cities

Planting in TexasAbout zone 9bPrintable calendar for Laredo

Questions

When is the last frost in Laredo?

Around January 25 in a typical year, based on NOAA's 1991-2020 records for Laredo 2. There is still a 1 in 10 chance of frost after February 25.

What planting zone is Laredo in?

USDA hardiness zone 9b (2023 map). The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.

When should I plant tomatoes in Laredo?

Start seeds indoors December 7 to 21 and set plants out February 1 to 15; the safest date to plant out is after February 25.

When is the first frost in Laredo?

Around December 17 in a typical year, and before November 23 about 1 year in 10.