Corpus Christi, TX Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Corpus Christi, Texas.
Gardening in Corpus Christi
The Sparkling City by the Sea grows food in a coastal subtropical environment where Gulf breezes moderate summer heat and winter cold rarely threatens.
Zone 9a with Gulf Coast maritime influence. Your 298-day growing season is one of the longest in Texas. The sandy coastal soil drains fast and needs constant organic amendment. Salt spray in coastal gardens is a real factor. Hurricane season is the annual wildcard.
Corpus Christi's fishing heritage extends to a self-sufficiency culture where growing your own produce alongside catching your own fish is a way of life. The Southside Farmers Market connects the coastal community to local growing.
What This Means for Corpus Christi Gardeners
The average last spring frost in Corpus Christi is around February 10, and the average first fall frost arrives around December 5. That gives you approximately 298 frost-free days to work with.
298 days is a long, productive season that supports two full rounds of warm-season crops plus continuous cool-season production through your mild winter. Most frost-sensitive crops can be transplanted by February 10, giving them months to produce before fall. Your winter garden is the real advantage — growing fresh vegetables in December and January while northern gardeners browse seed catalogs.
These dates are based on NOAA 30-year Climate Normal data for the Corpus Christi area. Your actual frost dates could shift 2-3 weeks in either direction in any given year. Learn more about our data sources.
What to Grow in Corpus Christi
With 298 frost-free days, Corpus Christi can grow nearly anything — including tropical and subtropical plants that most of the country can only dream about. Your prime vegetable season runs from fall through spring; summer is for heat-lovers like okra, sweet potatoes, and peppers. Recommended starting points: cherry tomatoes, jalapeños, okra, sweet potatoes, basil, collard greens, tomatillos, and lemongrass.
See the full Texas planting guide for all 40 plants: Texas Planting Calendar. Or enter your zip code for exact planting dates personalized to Corpus Christi.
More About Zone 9A
Corpus Christi is in USDA Hardiness Zone 9A, which means average annual extreme minimum temperatures between 20°F to 25°F. View the full Zone 9A planting guide.
See the complete planting calendar for Texas: Texas Planting Calendar.
Other Cities in Texas
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Corpus Christi area. They represent historical averages, not predictions. In any given year, the actual last frost could be 2-3 weeks earlier or later. Microclimates within Corpus Christi (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.
You can plant cool-season crops (lettuce, kale, broccoli) from December 5 through February 10 — your cool season is your primary vegetable season. Warm-season crops like tomatoes and peppers go out in early spring. Tropical plants grow year-round. Enter your zip code for exact dates for every plant.