League City, Texas planting calendar and frost dates
League City is in USDA hardiness zone 9b. The last spring frost typically comes around January 31 and the first fall frost around December 14, giving about 317 frost-free days a year.
- Hardiness zone
- Zone 9b
- Typical last frost
- January 31
- Typical first frost
- December 14
- Frost-free season
- 317 days
Frost dates in League City
Last spring frost
- December 25Risky: frost later than this in 9 years out of 10
- January 31Typical: a later frost in half of years
- March 5Safe: a later frost only 1 year in 10
First fall frost
- November 19Risky: frost earlier than this 1 year in 10
- December 14Typical: 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 317 days. Frost here means a low of 32°F at the weather station.
NOAA U.S. Climate Normals 1991-2020 for Houston Nwso, 2.6 miles SSE 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 League City
January
Start indoors: basil, cantaloupes, celery, cilantro, cucumbers, eggplants, marigolds, nasturtiums, peppers, pumpkins, ranunculus, tomatoes, watermelons, winter squash, zucchini
Plant or sow outdoors: asparagus, avocados, beets, black-eyed susans, blackberries, blueberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, dahlias, dill, figs, garden mums, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, kentucky bluegrass, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, onions, oregano, parsley, peas, petunias, poppies, potatoes, radishes, ranunculus, raspberries, rhubarb, rosemary, roses, sage, snapdragons, spinach, strawberries, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme, turnips, wildflowers
February
Start indoors: cantaloupes, cosmos, cucumbers, okra, pumpkins, watermelons, winter squash, zucchini
Plant or sow outdoors: avocados, basil, cantaloupes, chives, cilantro, cucumbers, dahlias, dill, eggplants, garden mums, ginger, gladioli, grapes, green beans, green onions, lavenders, lettuce, lilies, marigolds, mints, nasturtiums, oregano, parsley, peppers, petunias, pumpkins, ranunculus, rosemary, sage, spinach, sunflowers, sweet corn, swiss chard, thyme, tomatoes, watermelons, winter squash, zucchini
March
Start indoors: zinnias
Plant or sow outdoors: basil, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, green beans, okra, peanuts, peppers, pumpkins, st. augustinegrass, sweet potatoes, tomatoes, watermelons, winter squash, zoysiagrass, zucchini
April
Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, okra, peanuts, st. augustinegrass, zinnias, zoysiagrass
May
Plant or sow outdoors: zinnias
August
September
Plant for fall: bearded irises, broccoli, brussels sprouts, carrots, collard greens, cucumbers, green beans, lettuce, peas, peppers, snapdragons, sweet corn, swiss chard, tomatoes, zucchini
October
Start indoors: onions
Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, collard greens, coneflowers, daylilies, hostas, hydrangeas, kale, lettuce, peas, radishes, roses, saffron, snapdragons, spinach, swiss chard, turnips, zucchini
November
Start indoors: broccoli, cabbages, cauliflower, collard greens, kale, leeks, onions, oregano, parsley, petunias, ranunculus, rosemary, 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
December
Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, celery, chives, cilantro, collard greens, eggplants, ginger, leeks, lettuce, marigolds, nasturtiums, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons, spinach, swiss chard, tomatoes
Plant or sow outdoors: asparagus, black-eyed susans, blueberries, garlic, grapes, grass seed, green onions, hollyhocks, kale, kentucky bluegrass, onions, peas, poppies, raspberries, rhubarb, strawberries, sweet peas, tall fescue, turnips, wildflowers
Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips
Frost dates and zones by ZIP code in League City
League City's 5 main ZIP codes take their frost dates from 2 different NOAA stations: the typical last frost ranges from January 30 in 77598 to January 31 in 77573. Every one of them is in zone 9b.
Planting dates for popular crops in League City
| Plant | Start indoors | Plant or sow outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Dec 28 to Jan 11 | Feb 22 to Mar 8 | Aug 31 to Sep 7 |
| Strawberries | — | Dec 20 to Jan 3 | — |
| Lettuce | Dec 6 to 20 | Jan 24 to Feb 7 | Sep 14 to Oct 19 |
| Cilantro | Dec 20 to Jan 3 | Jan 31 to Feb 7 | — |
| Basil | Jan 4 to 18 | Feb 22 to Mar 1 | — |
| Potatoes | — | Jan 10 to 17 | Aug 24 to 31 |
| Garlic | — | Dec 20 to Jan 3 | Dec 14 to 28 |
| Onions | Oct 11 to Nov 22 | Jan 3 to 17 | — |
| Cucumbers | Jan 25 to Feb 8 | Feb 22 to Mar 8 | Sep 14 to 28 |
| Pumpkins | Jan 25 to Feb 8 | Feb 22 to Mar 8 | — |
| Peppers | Dec 7 to Jan 4 | Feb 22 to Mar 8 | Aug 24 to Sep 21 |
| Carrots | — | Jan 10 to 31 | Sep 21 to Oct 12 |
| Sweet Potatoes | — | Mar 20 to 27 | — |
| Watermelons | Jan 18 to Feb 1 | Feb 22 to Mar 8 | — |
| Sweet Corn | — | Jan 31 to Feb 14 | Sep 7 to 21 |
| Green Beans | — | Feb 22 to Mar 8 | Sep 21 to 28 |
| Zucchini | Jan 25 to Feb 8 | Feb 22 to Mar 8 | Sep 21 to Oct 5 |
| Broccoli | Nov 15 to Dec 6 | Jan 3 to 17 | Sep 28 to Oct 26 |
| Peas | — | Dec 20 to Jan 3 | Sep 21 to Oct 5 |
| Spinach | Dec 20 to 27 | Jan 24 to Feb 7 | Oct 5 to Nov 9 |
| Sunflowers | — | Jan 31 to Feb 21 | — |
| Zinnias | Mar 20 to 27 | Apr 17 to May 1 | — |
| Tulips | — | — | Nov 2 to Dec 28 |
| Daffodils | — | — | Nov 2 to Dec 14 |
| Grass Seed | — | Dec 20 to Jan 3 | Nov 2 to 16 |
Nearby cities
- Pasadena, TX zone 9b, last frost Jan 30
- Texas City, TX zone 10a
- Pearland, TX zone 9b, last frost Jan 30
- Baytown, TX zone 9b, last frost Feb 20
- Galveston, TX zone 10a, last frost Jan 25
- Missouri City, TX zone 9b, last frost Feb 2
Planting in TexasAbout zone 9bPrintable calendar for League City
Questions
When is the last frost in League City?
Around January 31 in a typical year, based on NOAA's 1991-2020 records for Houston Nwso. There is still a 1 in 10 chance of frost after March 5.
What planting zone is League City 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 League City?
Start seeds indoors December 28 to January 11 and set plants out February 22 to March 8; the safest date to plant out is after March 5.
When is the first frost in League City?
Around December 14 in a typical year, and before November 19 about 1 year in 10.