Frost Dates for La Porte, TX 77571
Last spring frost February 10 · First fall frost December 10 · 303 frost-free days · USDA Zone 9b
ZIP 77571 has about 38,500 people.
Very long season: 303 frost-free days. Spring frost risk spans January 6–March 18 (71 days). Fall frost risk spans November 19–January 1 (43 days).
Frost probability for 77571
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 18 | February 10 | January 6 |
| Fall (first frost) | November 19 | December 10 | January 1 |
Dates come from NOAA 1971–2000 freeze probabilities at BAYTOWN (25.5 km away); the 50% date is the median year.
Which crops fit a 303-day season in La Porte
In La Porte (303 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Jan 6 | Feb 24–Mar 3 | 261 | fits: 80 days to maturity, 261 available after Feb 24. | Aug 10 |
| Pepper | Dec 30 | Feb 24–Mar 3 | 261 | fits: 75 days to maturity, 261 available after Feb 24. | Aug 15 |
| Lettuce | Dec 16 | Jan 13–Jan 20 | 338 | two-plantings: Plant Jan 13 and again by Oct 19; both mature before Dec 17. | Oct 19 |
| Carrots | — | Jan 20–Jan 27 | 345 | fits: 70 days to maturity, 345 available after Jan 20. | Oct 8 |
| Cucumber | Jan 20 | Feb 24–Mar 3 | 275 | two-plantings: Plant Feb 24 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Beans | — | Feb 17–Mar 3 | 289 | two-plantings: Plant Feb 17 and again by Sep 20; both mature before Dec 3. | Sep 20 |
| Peas | — | Dec 16–Feb 24 | 366 | fits: 65 days to maturity, 366 available after Dec 16. | Sep 29 |
| Zucchini | Jan 27 | Feb 24–Mar 3 | 275 | two-plantings: Plant Feb 24 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Onion | Nov 18 | Jan 13–Jan 27 | 338 | fits: 100 days to maturity, 338 available after Jan 13. | — |
| Spinach | — | Dec 16–Feb 3 | 380 | two-plantings: Plant Dec 16 and again by Nov 7; both mature before Dec 31. | Nov 7 |
| Kale | Dec 2 | Jan 13–Jan 27 | 352 | two-plantings: Plant Jan 13 and again by Oct 23; both mature before Dec 31. | Oct 23 |
| Broccoli | Dec 16 | Jan 13–Jan 27 | 338 | fits: 80 days to maturity, 338 available after Jan 13. | Sep 14 |
| Cabbage | Dec 16 | Jan 13–Jan 27 | 352 | fits: 70 days to maturity, 352 available after Jan 13. | Oct 8 |
| Radish | — | Dec 16–Mar 10 | 366 | two-plantings: Plant Dec 16 and again by Nov 8; both mature before Dec 17. | Nov 8 |
| Beets | — | Dec 16–Mar 10 | 366 | two-plantings: Plant Dec 16 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Potatoes | — | Jan 27–Feb 3 | 324 | fits: 90 days to maturity, 324 available after Jan 27. | — |
| Garlic | — | Dec 10 | 408 | overwinter: Plant Dec 10 to Dec 31; harvest the following summer. | Dec 31 |
| Strawberry | — | Jan 6–Mar 3 | 359 | perennial: A perennial: plant Jan 6; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 13 | Feb 17–Feb 24 | 275 | fits: 75 days to maturity, 275 available after Feb 17. | Aug 22 |
| Pumpkin | Jan 27 | Feb 24–Feb 24 | 268 | fits: 100 days to maturity, 268 available after Feb 24. | Jul 28 |
| Cauliflower | Dec 30 | Feb 3–Feb 17 | 317 | fits: 75 days to maturity, 317 available after Feb 3. | Sep 19 |
| Swiss Chard | Dec 16 | Jan 27–Jan 27 | 324 | two-plantings: Plant Jan 27 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Arugula | — | Dec 16–Mar 10 | 380 | two-plantings: Plant Dec 16 and again by Nov 7; both mature before Dec 31. | Nov 7 |
| Brussel Sprouts | Dec 16 | Jan 13–Jan 27 | 352 | fits: 100 days to maturity, 352 available after Jan 13. | Sep 8 |
| Butternut Squash | Jan 27 | Feb 24–Mar 3 | 268 | fits: 100 days to maturity, 268 available after Feb 24. | Jul 28 |
| Eggplant | Dec 23 | Feb 24–Mar 3 | 261 | fits: 70 days to maturity, 261 available after Feb 24. | Aug 20 |
| Okra | Jan 13 | Feb 17–Feb 24 | 282 | two-plantings: Plant Feb 17 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Basil | Jan 6 | Mar 3–Mar 3 | 268 | two-plantings: Plant Mar 3 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Cilantro | — | Jan 13–Feb 3 | 338 | two-plantings: Plant Jan 13 and again by Oct 14; both mature before Dec 17. | Oct 14 |
| Parsley | Dec 2 | Feb 17–Feb 24 | 303 | fits: 70 days to maturity, 303 available after Feb 17. | Sep 24 |
| Celery | Dec 2 | Feb 17–Mar 3 | 303 | fits: 120 days to maturity, 303 available after Feb 17. | Aug 5 |
| Scallions | Dec 2 | Jan 13–Jan 27 | 352 | two-plantings: Plant Jan 13 and again by Oct 18; both mature before Dec 31. | Oct 18 |
| Turnip | — | Jan 13–Jan 27 | 352 | two-plantings: Plant Jan 13 and again by Oct 28; both mature before Dec 31. | Oct 28 |
| Kohlrabi | — | Dec 30–Jan 13 | 366 | two-plantings: Plant Dec 30 and again by Oct 23; both mature before Dec 31. | Oct 23 |
| Bok Choy | Jan 13 | Feb 3–Feb 10 | 317 | two-plantings: Plant Feb 3 and again by Oct 19; both mature before Dec 17. | Oct 19 |
| Collards | Dec 2 | Jan 13–Jan 27 | 352 | two-plantings: Plant Jan 13 and again by Oct 18; both mature before Dec 31. | Oct 18 |
| Cantaloupe | Jan 27 | Feb 24–Mar 3 | 261 | fits: 85 days to maturity, 261 available after Feb 24. | Aug 5 |
| Chives | Nov 18 | Feb 17–Feb 24 | 317 | fits: 90 days to maturity, 317 available after Feb 17. | — |
| Dill | — | Dec 16–Mar 10 | 366 | two-plantings: Plant Dec 16 and again by Oct 9; both mature before Dec 17. | Oct 9 |
| Oregano | Dec 2 | Feb 17–Feb 24 | 317 | fits: 80 days to maturity, 317 available after Feb 17. | — |
| Rosemary | Nov 18 | Feb 17–Feb 24 | 303 | fits: 80 days to maturity, 303 available after Feb 17. | — |
| Sage | Dec 16 | Feb 17–Feb 24 | 317 | fits: 75 days to maturity, 317 available after Feb 17. | — |
| Thyme | Dec 2 | Feb 17–Feb 24 | 317 | fits: 90 days to maturity, 317 available after Feb 17. | — |
| Calendula | Dec 30 | Jan 27–Feb 10 | 324 | two-plantings: Plant Jan 27 and again by Oct 14; both mature before Dec 17. | Oct 14 |
| Cosmos | Jan 13 | Feb 10–Feb 24 | 289 | two-plantings: Plant Feb 10 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Lavender | Nov 18 | Feb 10–Feb 24 | 324 | fits: 90 days to maturity, 324 available after Feb 10. | — |
| Marigolds | Dec 30 | Feb 10–Feb 17 | 289 | two-plantings: Plant Feb 10 and again by Sep 23; both mature before Nov 26. | Sep 23 |
| Melons | Jan 27 | Feb 24–Mar 3 | 261 | fits: 85 days to maturity, 261 available after Feb 24. | Aug 5 |
| Mint | — | Feb 10–Feb 24 | 324 | fits: 90 days to maturity, 324 available after Feb 10. | — |
| Nasturtiums | Jan 13 | Feb 10–Feb 17 | 289 | two-plantings: Plant Feb 10 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Pole Beans | — | Feb 17–Mar 3 | 282 | fits: 65 days to maturity, 282 available after Feb 17. | Sep 8 |
| Spaghetti Squash | Jan 27 | Feb 24–Mar 3 | 268 | fits: 90 days to maturity, 268 available after Feb 24. | Aug 7 |
| Sunflowers | — | Feb 10–Feb 24 | 289 | fits: 70 days to maturity, 289 available after Feb 10. | Sep 3 |
| Tomatillos | Dec 16 | Feb 17–Feb 24 | 268 | fits: 75 days to maturity, 268 available after Feb 17. | Aug 15 |
| Watermelon | Jan 27 | Feb 17–Feb 24 | 268 | fits: 80 days to maturity, 268 available after Feb 17. | Aug 10 |
| Yellow Squash | Jan 27 | Feb 24–Mar 3 | 275 | two-plantings: Plant Feb 24 and again by Sep 18; both mature before Nov 26. | Sep 18 |
| Zinnias | Jan 13 | Feb 10–Feb 24 | 289 | two-plantings: Plant Feb 10 and again by Sep 13; both mature before Nov 26. | Sep 13 |
Month by month in La Porte
| Month | What to do |
|---|---|
| January | Start indoors: Basil (Jan 6), Tomato (Jan 6), Bok Choy (Jan 13), Corn (Jan 13), Cosmos (Jan 13), Nasturtiums (Jan 13), +11 more. Direct sow from: Cilantro (Jan 13), Turnip (Jan 13), Carrots (Jan 20), Potatoes (Jan 27). Transplant from: Broccoli (Jan 13), Brussel Sprouts (Jan 13), Cabbage (Jan 13), Collards (Jan 13), Kale (Jan 13), Lettuce (Jan 13), +4 more. Plant: Strawberry (Jan 6). |
| February | Direct sow from: Sunflowers (Feb 10), Beans (Feb 17), Pole Beans (Feb 17). Transplant from: Bok Choy (Feb 3), Cauliflower (Feb 3), Cosmos (Feb 10), Lavender (Feb 10), Marigolds (Feb 10), Mint (Feb 10), +24 more. Last frost around February 10. |
| March | Transplant from: Basil (Mar 3). |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Last sowing dates: Butternut Squash (Jul 28), Pumpkin (Jul 28). |
| August | Last sowing dates: Cantaloupe (Aug 5), Celery (Aug 5), Melons (Aug 5), Spaghetti Squash (Aug 7), Tomato (Aug 10), Watermelon (Aug 10), +4 more. |
| September | Last sowing dates: Sunflowers (Sep 3), Brussel Sprouts (Sep 8), Pole Beans (Sep 8), Basil (Sep 13), Cosmos (Sep 13), Cucumber (Sep 13), +11 more. |
| October | Last sowing dates: Cabbage (Oct 8), Carrots (Oct 8), Beets (Oct 9), Dill (Oct 9), Swiss Chard (Oct 9), Calendula (Oct 14), +8 more. |
| November | Start indoors: Chives (Nov 18), Lavender (Nov 18), Onion (Nov 18), Rosemary (Nov 18). Last sowing dates: Arugula (Nov 7), Spinach (Nov 7), Radish (Nov 8). |
| December | Start indoors: Celery (Dec 2), Collards (Dec 2), Kale (Dec 2), Oregano (Dec 2), Parsley (Dec 2), Scallions (Dec 2), +13 more. Direct sow from: Garlic (Dec 10), Arugula (Dec 16), Beets (Dec 16), Dill (Dec 16), Peas (Dec 16), Radish (Dec 16), +2 more. First frost around December 10. Last sowing dates: Garlic (Dec 31). |
Frequently Asked Questions
What is the last frost date for La Porte, TX (ZIP 77571)?
The median last spring frost date for La Porte, TX (ZIP code 77571) is around February 10. 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 6; one in ten it runs past March 18.
What is the first fall frost date in La Porte, TX?
The median first fall frost date for La Porte, TX is around December 10. 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 19 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in La Porte, TX?
The frost-free growing season in La Porte is about 303 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 La Porte (303 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 La Porte, TX?
La Porte, 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 La Porte, TX?
Start tomatoes indoors Jan 6 and plant out Feb 24 in La Porte. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in La Porte?
Two: plant Jan 13 and again by Oct 19; both mature before Dec 17.
When do I plant garlic in La Porte?
Dec 10 to Dec 31; it overwinters and is ready the following summer.
Can I get two tomato crops in La Porte?
Yes: plant out Feb 24 for a summer crop, and set out a second round of transplants by Aug 10 for a fall crop.
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