Frost Dates for League City, TX 77573
Last spring frost February 8 · First fall frost December 9 · 304 frost-free days · USDA Zone 9b
ZIP 77573 has about 98,100 people.
Very long season: 304 frost-free days. Spring frost risk spans January 2–March 18 (75 days). Fall frost risk spans November 19–January 1 (43 days).
Frost probability for 77573
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 18 | February 8 | January 2 |
| Fall (first frost) | November 19 | December 9 | January 1 |
Dates come from NOAA 1971–2000 freeze probabilities at HOUSTON HOBBY AP (24.8 km away); the 50% date is the median year.
Which crops fit a 304-day season in League City
In League City (304 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 4 | Feb 22–Mar 1 | 262 | fits: 80 days to maturity, 262 available after Feb 22. | Aug 9 |
| Pepper | Dec 28 | Feb 22–Mar 1 | 262 | fits: 75 days to maturity, 262 available after Feb 22. | Aug 14 |
| Lettuce | Dec 14 | Jan 11–Jan 18 | 339 | two-plantings: Plant Jan 11 and again by Oct 18; both mature before Dec 16. | Oct 18 |
| Carrots | — | Jan 18–Jan 25 | 346 | fits: 70 days to maturity, 346 available after Jan 18. | Oct 7 |
| Cucumber | Jan 18 | Feb 22–Mar 1 | 276 | two-plantings: Plant Feb 22 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Beans | — | Feb 15–Mar 1 | 290 | two-plantings: Plant Feb 15 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Peas | — | Dec 14–Feb 22 | 367 | fits: 65 days to maturity, 367 available after Dec 14. | Sep 28 |
| Zucchini | Jan 25 | Feb 22–Mar 1 | 276 | two-plantings: Plant Feb 22 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Onion | Nov 16 | Jan 11–Jan 25 | 339 | fits: 100 days to maturity, 339 available after Jan 11. | — |
| Spinach | — | Dec 14–Feb 1 | 381 | two-plantings: Plant Dec 14 and again by Nov 6; both mature before Dec 30. | Nov 6 |
| Kale | Nov 30 | Jan 11–Jan 25 | 353 | two-plantings: Plant Jan 11 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Broccoli | Dec 14 | Jan 11–Jan 25 | 339 | fits: 80 days to maturity, 339 available after Jan 11. | Sep 13 |
| Cabbage | Dec 14 | Jan 11–Jan 25 | 353 | fits: 70 days to maturity, 353 available after Jan 11. | Oct 7 |
| Radish | — | Dec 14–Mar 8 | 367 | two-plantings: Plant Dec 14 and again by Nov 7; both mature before Dec 16. | Nov 7 |
| Beets | — | Dec 14–Mar 8 | 367 | two-plantings: Plant Dec 14 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Potatoes | — | Jan 25–Feb 1 | 325 | fits: 90 days to maturity, 325 available after Jan 25. | — |
| Garlic | — | Dec 9 | 409 | overwinter: Plant Dec 9 to Dec 30; harvest the following summer. | Dec 30 |
| Strawberry | — | Jan 4–Mar 1 | 360 | perennial: A perennial: plant Jan 4; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 11 | Feb 15–Feb 22 | 276 | fits: 75 days to maturity, 276 available after Feb 15. | Aug 21 |
| Pumpkin | Jan 25 | Feb 22–Feb 22 | 269 | fits: 100 days to maturity, 269 available after Feb 22. | Jul 27 |
| Cauliflower | Dec 28 | Feb 1–Feb 15 | 318 | fits: 75 days to maturity, 318 available after Feb 1. | Sep 18 |
| Swiss Chard | Dec 14 | Jan 25–Jan 25 | 325 | two-plantings: Plant Jan 25 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Arugula | — | Dec 14–Mar 8 | 381 | two-plantings: Plant Dec 14 and again by Nov 6; both mature before Dec 30. | Nov 6 |
| Brussel Sprouts | Dec 14 | Jan 11–Jan 25 | 353 | fits: 100 days to maturity, 353 available after Jan 11. | Sep 7 |
| Butternut Squash | Jan 25 | Feb 22–Mar 1 | 269 | fits: 100 days to maturity, 269 available after Feb 22. | Jul 27 |
| Eggplant | Dec 21 | Feb 22–Mar 1 | 262 | fits: 70 days to maturity, 262 available after Feb 22. | Aug 19 |
| Okra | Jan 11 | Feb 15–Feb 22 | 283 | two-plantings: Plant Feb 15 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Basil | Jan 4 | Mar 1–Mar 1 | 269 | two-plantings: Plant Mar 1 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Cilantro | — | Jan 11–Feb 1 | 339 | two-plantings: Plant Jan 11 and again by Oct 13; both mature before Dec 16. | Oct 13 |
| Parsley | Nov 30 | Feb 15–Feb 22 | 304 | fits: 70 days to maturity, 304 available after Feb 15. | Sep 23 |
| Celery | Nov 30 | Feb 15–Mar 1 | 304 | fits: 120 days to maturity, 304 available after Feb 15. | Aug 4 |
| Scallions | Nov 30 | Jan 11–Jan 25 | 353 | two-plantings: Plant Jan 11 and again by Oct 17; both mature before Dec 30. | Oct 17 |
| Turnip | — | Jan 11–Jan 25 | 353 | two-plantings: Plant Jan 11 and again by Oct 27; both mature before Dec 30. | Oct 27 |
| Kohlrabi | — | Dec 28–Jan 11 | 367 | two-plantings: Plant Dec 28 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Bok Choy | Jan 11 | Feb 1–Feb 8 | 318 | two-plantings: Plant Feb 1 and again by Oct 18; both mature before Dec 16. | Oct 18 |
| Collards | Nov 30 | Jan 11–Jan 25 | 353 | two-plantings: Plant Jan 11 and again by Oct 17; both mature before Dec 30. | Oct 17 |
| Cantaloupe | Jan 25 | Feb 22–Mar 1 | 262 | fits: 85 days to maturity, 262 available after Feb 22. | Aug 4 |
| Chives | Nov 16 | Feb 15–Feb 22 | 318 | fits: 90 days to maturity, 318 available after Feb 15. | — |
| Dill | — | Dec 14–Mar 8 | 367 | two-plantings: Plant Dec 14 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Oregano | Nov 30 | Feb 15–Feb 22 | 318 | fits: 80 days to maturity, 318 available after Feb 15. | — |
| Rosemary | Nov 16 | Feb 15–Feb 22 | 304 | fits: 80 days to maturity, 304 available after Feb 15. | — |
| Sage | Dec 14 | Feb 15–Feb 22 | 318 | fits: 75 days to maturity, 318 available after Feb 15. | — |
| Thyme | Nov 30 | Feb 15–Feb 22 | 318 | fits: 90 days to maturity, 318 available after Feb 15. | — |
| Calendula | Dec 28 | Jan 25–Feb 8 | 325 | two-plantings: Plant Jan 25 and again by Oct 13; both mature before Dec 16. | Oct 13 |
| Cosmos | Jan 11 | Feb 8–Feb 22 | 290 | two-plantings: Plant Feb 8 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Lavender | Nov 16 | Feb 8–Feb 22 | 325 | fits: 90 days to maturity, 325 available after Feb 8. | — |
| Marigolds | Dec 28 | Feb 8–Feb 15 | 290 | two-plantings: Plant Feb 8 and again by Sep 22; both mature before Nov 25. | Sep 22 |
| Melons | Jan 25 | Feb 22–Mar 1 | 262 | fits: 85 days to maturity, 262 available after Feb 22. | Aug 4 |
| Mint | — | Feb 8–Feb 22 | 325 | fits: 90 days to maturity, 325 available after Feb 8. | — |
| Nasturtiums | Jan 11 | Feb 8–Feb 15 | 290 | two-plantings: Plant Feb 8 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Pole Beans | — | Feb 15–Mar 1 | 283 | fits: 65 days to maturity, 283 available after Feb 15. | Sep 7 |
| Spaghetti Squash | Jan 25 | Feb 22–Mar 1 | 269 | fits: 90 days to maturity, 269 available after Feb 22. | Aug 6 |
| Sunflowers | — | Feb 8–Feb 22 | 290 | fits: 70 days to maturity, 290 available after Feb 8. | Sep 2 |
| Tomatillos | Dec 14 | Feb 15–Feb 22 | 269 | fits: 75 days to maturity, 269 available after Feb 15. | Aug 14 |
| Watermelon | Jan 25 | Feb 15–Feb 22 | 269 | fits: 80 days to maturity, 269 available after Feb 15. | Aug 9 |
| Yellow Squash | Jan 25 | Feb 22–Mar 1 | 276 | two-plantings: Plant Feb 22 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Zinnias | Jan 11 | Feb 8–Feb 22 | 290 | two-plantings: Plant Feb 8 and again by Sep 12; both mature before Nov 25. | Sep 12 |
Month by month in League City
| Month | What to do |
|---|---|
| January | Start indoors: Basil (Jan 4), Tomato (Jan 4), Bok Choy (Jan 11), Corn (Jan 11), Cosmos (Jan 11), Nasturtiums (Jan 11), +11 more. Direct sow from: Cilantro (Jan 11), Turnip (Jan 11), Carrots (Jan 18), Potatoes (Jan 25). Transplant from: Broccoli (Jan 11), Brussel Sprouts (Jan 11), Cabbage (Jan 11), Collards (Jan 11), Kale (Jan 11), Lettuce (Jan 11), +4 more. Plant: Strawberry (Jan 4). |
| February | Direct sow from: Sunflowers (Feb 8), Beans (Feb 15), Pole Beans (Feb 15). Transplant from: Bok Choy (Feb 1), Cauliflower (Feb 1), Cosmos (Feb 8), Lavender (Feb 8), Marigolds (Feb 8), Mint (Feb 8), +24 more. Last frost around February 8. |
| March | Transplant from: Basil (Mar 1). |
| 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 27), Pumpkin (Jul 27). |
| August | Last sowing dates: Cantaloupe (Aug 4), Celery (Aug 4), Melons (Aug 4), Spaghetti Squash (Aug 6), Tomato (Aug 9), Watermelon (Aug 9), +4 more. |
| September | Last sowing dates: Sunflowers (Sep 2), Brussel Sprouts (Sep 7), Pole Beans (Sep 7), Basil (Sep 12), Cosmos (Sep 12), Cucumber (Sep 12), +11 more. |
| October | Last sowing dates: Cabbage (Oct 7), Carrots (Oct 7), Beets (Oct 8), Dill (Oct 8), Swiss Chard (Oct 8), Calendula (Oct 13), +8 more. |
| November | Start indoors: Chives (Nov 16), Lavender (Nov 16), Onion (Nov 16), Rosemary (Nov 16), Celery (Nov 30), Collards (Nov 30), +5 more. Last sowing dates: Arugula (Nov 6), Spinach (Nov 6), Radish (Nov 7). |
| December | Start indoors: Broccoli (Dec 14), Brussel Sprouts (Dec 14), Cabbage (Dec 14), Lettuce (Dec 14), Sage (Dec 14), Swiss Chard (Dec 14), +6 more. Direct sow from: Garlic (Dec 9), Arugula (Dec 14), Beets (Dec 14), Dill (Dec 14), Peas (Dec 14), Radish (Dec 14), +2 more. First frost around December 9. Last sowing dates: Garlic (Dec 30). |
Frequently Asked Questions
What is the last frost date for League City, TX (ZIP 77573)?
The median last spring frost date for League City, TX (ZIP code 77573) is around February 8. 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 2; one in ten it runs past March 18.
What is the first fall frost date in League City, TX?
The median first fall frost date for League City, TX is around December 9. 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 League City, TX?
The frost-free growing season in League City is about 304 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 League City (304 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 League City, TX?
League City, 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 League City, TX?
Start tomatoes indoors Jan 4 and plant out Feb 22 in League City. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in League City?
Two: plant Jan 11 and again by Oct 18; both mature before Dec 16.
When do I plant garlic in League City?
Dec 9 to Dec 30; it overwinters and is ready the following summer.
Can I get two tomato crops in League City?
Yes: plant out Feb 22 for a summer crop, and set out a second round of transplants by Aug 9 for a fall crop.
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