Frost Dates for Houston, TX 77084

Last spring frost February 15 · First fall frost December 8 · 296 frost-free days · USDA Zone 9b

ZIP 77084 has about 110,000 people, the largest of 97 ZIP codes in Houston.

Very long season: 296 frost-free days. Spring frost risk spans January 14–March 18 (63 days). Fall frost risk spans November 10–January 9 (60 days).

Frost probability for 77084

Frost10%50%90%
Spring (last frost)March 18February 15January 14
Fall (first frost)November 10December 8January 9

Dates come from NOAA 1971–2000 freeze probabilities at SUGAR LAND (23.0 km away); the 50% date is the median year.

Frost dates by ZIP code in Houston, TX

ZIPLast spring frost (50%)First fall frost (50%)Zone
77084February 15December 89b
77083February 13December 109b
77036February 13December 109b
77095February 15December 89b
77077February 15December 89b
77082February 13December 109b
77015February 10December 109b
77044February 10December 109b
77070February 27November 309b
77089February 10December 109b
77072February 13December 109b
77088February 15December 109b
77040February 15December 109b
77081February 13December 109b
77099February 13December 109b
77064February 15December 109b
77007February 15December 109b
77080February 15December 109b
77057February 15December 109b
77093February 10December 109b
77073February 27November 309b
77055February 15December 109b
77060February 27November 309b
77063February 13December 109b
77008February 15December 109b
77075February 15December 99b
77049February 10December 109b
77090February 27November 309b
77066February 27November 309b
77065February 27November 309b
77042February 13December 109b
77074February 13December 109b
77024February 15December 109b
77079February 15December 89b
77092February 15December 109b
77034February 10December 109b
77014February 27November 309b
77035February 13December 109b
77004February 15December 109b
77009February 15December 109b
77096February 13December 109b
77047February 13December 109b
77087February 15December 99b
77045February 13December 109b
77041February 15December 109b
77038February 15December 109b
77076February 15December 109b
77018February 15December 109b
77067February 27November 309b
77053February 13December 109b
77016February 10December 109b
77025February 13December 109b
77017February 15December 99b
77033February 15December 99b
77043February 15December 89b
77005February 15December 109b
77091February 15December 109b
77086February 15December 109b
77054February 13December 109b
77039February 10December 109b
77071February 13December 109b
77021February 15December 109b
77022February 15December 109b
77062February 10December 109b
77006February 15December 109b
77023February 15December 109b
77061February 15December 99b
77019February 15December 109b
77020February 10December 109b
77056February 15December 109b
77026February 10December 109b
77048February 15December 109b
77002February 15December 109b
77069February 27November 309b
77027February 15December 109b
77051February 13December 109b
77028February 10December 109b
77037February 15December 109b
77059February 10December 109b
77013February 10December 109b
77058February 10December 109b
77098February 15December 109b
77085February 13December 109b
77012February 10December 109b
77029February 10December 109b
77031February 13December 109b
77011February 10December 109b
77078February 10December 109b
77030February 15December 109b
77068February 27November 309b
77032February 10December 109b
77094February 15December 89b
77003February 15December 109b
77050February 10December 109b
77204February 15December 109b
77046February 15December 109b
77010February 15December 109b

Which crops fit a 296-day season in Houston

In Houston (296 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoJan 11Mar 1–Mar 8254fits: 80 days to maturity, 254 available after Mar 1.Aug 8
PepperJan 4Mar 1–Mar 8254fits: 75 days to maturity, 254 available after Mar 1.Aug 13
LettuceDec 21Jan 18–Jan 25331two-plantings: Plant Jan 18 and again by Oct 17; both mature before Dec 15.Oct 17
Carrots—Jan 25–Feb 1338fits: 70 days to maturity, 338 available after Jan 25.Oct 6
CucumberJan 25Mar 1–Mar 8268two-plantings: Plant Mar 1 and again by Sep 11; both mature before Nov 24.Sep 11
Beans—Feb 22–Mar 8282two-plantings: Plant Feb 22 and again by Sep 18; both mature before Dec 1.Sep 18
Peas—Dec 21–Mar 1359fits: 65 days to maturity, 359 available after Dec 21.Sep 27
ZucchiniFeb 1Mar 1–Mar 8268two-plantings: Plant Mar 1 and again by Sep 16; both mature before Nov 24.Sep 16
OnionNov 23Jan 18–Feb 1331fits: 100 days to maturity, 331 available after Jan 18.—
Spinach—Dec 21–Feb 8373two-plantings: Plant Dec 21 and again by Nov 5; both mature before Dec 29.Nov 5
KaleDec 7Jan 18–Feb 1345two-plantings: Plant Jan 18 and again by Oct 21; both mature before Dec 29.Oct 21
BroccoliDec 21Jan 18–Feb 1331fits: 80 days to maturity, 331 available after Jan 18.Sep 12
CabbageDec 21Jan 18–Feb 1345fits: 70 days to maturity, 345 available after Jan 18.Oct 6
Radish—Dec 21–Mar 15359two-plantings: Plant Dec 21 and again by Nov 6; both mature before Dec 15.Nov 6
Beets—Dec 21–Mar 15359two-plantings: Plant Dec 21 and again by Oct 7; both mature before Dec 15.Oct 7
Potatoes—Feb 1–Feb 8317fits: 90 days to maturity, 317 available after Feb 1.—
Garlic—Dec 8401overwinter: Plant Dec 8 to Dec 29; harvest the following summer.Dec 29
Strawberry—Jan 11–Mar 8352perennial: A perennial: plant Jan 11; it fruits from the following year and keeps producing for several years.—
CornJan 18Feb 22–Mar 1268fits: 75 days to maturity, 268 available after Feb 22.Aug 20
PumpkinFeb 1Mar 1–Mar 1261fits: 100 days to maturity, 261 available after Mar 1.Jul 26
CauliflowerJan 4Feb 8–Feb 22310fits: 75 days to maturity, 310 available after Feb 8.Sep 17
Swiss ChardDec 21Feb 1–Feb 1317two-plantings: Plant Feb 1 and again by Oct 7; both mature before Dec 15.Oct 7
Arugula—Dec 21–Mar 15373two-plantings: Plant Dec 21 and again by Nov 5; both mature before Dec 29.Nov 5
Brussel SproutsDec 21Jan 18–Feb 1345fits: 100 days to maturity, 345 available after Jan 18.Sep 6
Butternut SquashFeb 1Mar 1–Mar 8261fits: 100 days to maturity, 261 available after Mar 1.Jul 26
EggplantDec 28Mar 1–Mar 8254fits: 70 days to maturity, 254 available after Mar 1.Aug 18
OkraJan 18Feb 22–Mar 1275two-plantings: Plant Feb 22 and again by Sep 16; both mature before Nov 24.Sep 16
BasilJan 11Mar 8–Mar 8261two-plantings: Plant Mar 8 and again by Sep 11; both mature before Nov 24.Sep 11
Cilantro—Jan 18–Feb 8331two-plantings: Plant Jan 18 and again by Oct 12; both mature before Dec 15.Oct 12
ParsleyDec 7Feb 22–Mar 1296fits: 70 days to maturity, 296 available after Feb 22.Sep 22
CeleryDec 7Feb 22–Mar 8296fits: 120 days to maturity, 296 available after Feb 22.Aug 3
ScallionsDec 7Jan 18–Feb 1345two-plantings: Plant Jan 18 and again by Oct 16; both mature before Dec 29.Oct 16
Turnip—Jan 18–Feb 1345two-plantings: Plant Jan 18 and again by Oct 26; both mature before Dec 29.Oct 26
Kohlrabi—Jan 4–Jan 18359two-plantings: Plant Jan 4 and again by Oct 21; both mature before Dec 29.Oct 21
Bok ChoyJan 18Feb 8–Feb 15310two-plantings: Plant Feb 8 and again by Oct 17; both mature before Dec 15.Oct 17
CollardsDec 7Jan 18–Feb 1345two-plantings: Plant Jan 18 and again by Oct 16; both mature before Dec 29.Oct 16
CantaloupeFeb 1Mar 1–Mar 8254fits: 85 days to maturity, 254 available after Mar 1.Aug 3
ChivesNov 23Feb 22–Mar 1310fits: 90 days to maturity, 310 available after Feb 22.—
Dill—Dec 21–Mar 15359two-plantings: Plant Dec 21 and again by Oct 7; both mature before Dec 15.Oct 7
OreganoDec 7Feb 22–Mar 1310fits: 80 days to maturity, 310 available after Feb 22.—
RosemaryNov 23Feb 22–Mar 1296fits: 80 days to maturity, 296 available after Feb 22.—
SageDec 21Feb 22–Mar 1310fits: 75 days to maturity, 310 available after Feb 22.—
ThymeDec 7Feb 22–Mar 1310fits: 90 days to maturity, 310 available after Feb 22.—
CalendulaJan 4Feb 1–Feb 15317two-plantings: Plant Feb 1 and again by Oct 12; both mature before Dec 15.Oct 12
CosmosJan 18Feb 15–Mar 1282two-plantings: Plant Feb 15 and again by Sep 11; both mature before Nov 24.Sep 11
LavenderNov 23Feb 15–Mar 1317fits: 90 days to maturity, 317 available after Feb 15.—
MarigoldsJan 4Feb 15–Feb 22282two-plantings: Plant Feb 15 and again by Sep 21; both mature before Nov 24.Sep 21
MelonsFeb 1Mar 1–Mar 8254fits: 85 days to maturity, 254 available after Mar 1.Aug 3
Mint—Feb 15–Mar 1317fits: 90 days to maturity, 317 available after Feb 15.—
NasturtiumsJan 18Feb 15–Feb 22282two-plantings: Plant Feb 15 and again by Sep 16; both mature before Nov 24.Sep 16
Pole Beans—Feb 22–Mar 8275fits: 65 days to maturity, 275 available after Feb 22.Sep 6
Spaghetti SquashFeb 1Mar 1–Mar 8261fits: 90 days to maturity, 261 available after Mar 1.Aug 5
Sunflowers—Feb 15–Mar 1282fits: 70 days to maturity, 282 available after Feb 15.Sep 1
TomatillosDec 21Feb 22–Mar 1261fits: 75 days to maturity, 261 available after Feb 22.Aug 13
WatermelonFeb 1Feb 22–Mar 1261fits: 80 days to maturity, 261 available after Feb 22.Aug 8
Yellow SquashFeb 1Mar 1–Mar 8268two-plantings: Plant Mar 1 and again by Sep 16; both mature before Nov 24.Sep 16
ZinniasJan 18Feb 15–Mar 1282two-plantings: Plant Feb 15 and again by Sep 11; both mature before Nov 24.Sep 11

Month by month in Houston

MonthWhat to do
JanuaryStart indoors: Calendula (Jan 4), Cauliflower (Jan 4), Marigolds (Jan 4), Pepper (Jan 4), Basil (Jan 11), Tomato (Jan 11), +7 more. Direct sow from: Kohlrabi (Jan 4), Cilantro (Jan 18), Turnip (Jan 18), Carrots (Jan 25). Transplant from: Broccoli (Jan 18), Brussel Sprouts (Jan 18), Cabbage (Jan 18), Collards (Jan 18), Kale (Jan 18), Lettuce (Jan 18), +2 more. Plant: Strawberry (Jan 11).
FebruaryStart indoors: Butternut Squash (Feb 1), Cantaloupe (Feb 1), Melons (Feb 1), Pumpkin (Feb 1), Spaghetti Squash (Feb 1), Watermelon (Feb 1), +2 more. Direct sow from: Potatoes (Feb 1), Sunflowers (Feb 15), Beans (Feb 22), Pole Beans (Feb 22). Transplant from: Calendula (Feb 1), Swiss Chard (Feb 1), Bok Choy (Feb 8), Cauliflower (Feb 8), Cosmos (Feb 15), Lavender (Feb 15), +15 more. Last frost around February 15.
MarchTransplant from: Butternut Squash (Mar 1), Cantaloupe (Mar 1), Cucumber (Mar 1), Eggplant (Mar 1), Melons (Mar 1), Pepper (Mar 1), +6 more.
AprilSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
MayHarvest regularly to encourage production. Monitor for pests and disease.
JuneMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
JulyLast sowing dates: Butternut Squash (Jul 26), Pumpkin (Jul 26).
AugustLast sowing dates: Cantaloupe (Aug 3), Celery (Aug 3), Melons (Aug 3), Spaghetti Squash (Aug 5), Tomato (Aug 8), Watermelon (Aug 8), +4 more.
SeptemberLast sowing dates: Sunflowers (Sep 1), Brussel Sprouts (Sep 6), Pole Beans (Sep 6), Basil (Sep 11), Cosmos (Sep 11), Cucumber (Sep 11), +11 more.
OctoberLast sowing dates: Cabbage (Oct 6), Carrots (Oct 6), Beets (Oct 7), Dill (Oct 7), Swiss Chard (Oct 7), Calendula (Oct 12), +8 more.
NovemberStart indoors: Chives (Nov 23), Lavender (Nov 23), Onion (Nov 23), Rosemary (Nov 23). Last sowing dates: Arugula (Nov 5), Spinach (Nov 5), Radish (Nov 6).
DecemberStart indoors: Celery (Dec 7), Collards (Dec 7), Kale (Dec 7), Oregano (Dec 7), Parsley (Dec 7), Scallions (Dec 7), +9 more. Direct sow from: Garlic (Dec 8), Arugula (Dec 21), Beets (Dec 21), Dill (Dec 21), Peas (Dec 21), Radish (Dec 21), +1 more. First frost around December 8. Last sowing dates: Garlic (Dec 29).

Frequently Asked Questions

What is the last frost date for Houston, TX (ZIP 77084)?

The median last spring frost date for Houston, TX (ZIP code 77084) is around February 15. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before January 14; one in ten it runs past March 18.

What is the first fall frost date in Houston, TX?

The median first fall frost date for Houston, TX is around December 8. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 10 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Houston, TX?

The frost-free growing season in Houston is about 296 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Houston (296 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Houston, TX?

Houston, TX is in USDA hardiness zone 9b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Houston, TX?

Start tomatoes indoors Jan 11 and plant out Mar 1 in Houston. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Houston?

Two: plant Jan 18 and again by Oct 17; both mature before Dec 15.

When do I plant garlic in Houston?

Dec 8 to Dec 29; it overwinters and is ready the following summer.

Can I get two tomato crops in Houston?

Yes: plant out Mar 1 for a summer crop, and set out a second round of transplants by Aug 8 for a fall crop.

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