Pasadena, Texas planting calendar and frost dates

Frost dates in Pasadena

NOAA U.S. Climate Normals 1991-2020 for Houston Hobby Airport, 9.9 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. Pasadena shares this station with Houston, so the two cities have the same frost dates and planting calendar.

What to plant each month in Pasadena

1. 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

   Plant for fall: crocuses, garlic, hyacinths, ornamental alliums, tulips

2. February

   Start indoors: cosmos, cucumbers, okra, pumpkins, 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

3. March

   Start indoors: zinnias

   Plant or sow outdoors: bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, green beans, okra, peanuts, peppers, pumpkins, st. augustinegrass, sweet potatoes, tomatoes, watermelons, winter squash, zoysiagrass, zucchini

4. April

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

5. September

   Plant for fall: brussels sprouts, collard greens, cucumbers, lettuce, peppers, potatoes, sweet corn, swiss chard, tomatoes

6. October

   Start indoors: onions

   Plant for fall: bearded irises, beets, broccoli, cabbages, carrots, cauliflower, collard greens, cucumbers, daylilies, green beans, kale, lettuce, peas, peppers, radishes, snapdragons, spinach, sweet corn, swiss chard, turnips, zucchini

7. November

   Start indoors: broccoli, cabbages, cauliflower, collard greens, kale, leeks, onions, oregano, parsley, petunias, ranunculus, rosemary, snapdragons

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

8. 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, daylilies, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips

Frost dates and zones by ZIP code in Pasadena

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

Houston Hobby Airport also supplies the frost dates for Houston, Pearland and Fulshear, so their planting calendars match Pasadena's.

Planting dates for popular crops in Pasadena

Nearby cities

• League City, TX zone 9b, last frost Jan 31
• Pearland, TX zone 9b, last frost Jan 30
• Baytown, TX zone 9b, last frost Feb 20
• Houston, TX zone 9b, last frost Jan 30
• Texas City, TX zone 10a
• Missouri City, TX zone 9b, last frost Feb 2