New Orleans, LA Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for New Orleans, Louisiana.
Gardening in New Orleans
New Orleans doesn't just grow food — it grows ingredients. The distinction matters in a city where cooking is the art form and the garden is the supply room. Creole tomatoes, mirlitons growing on backyard fences, bay laurel trees shading porches — NOLA gardens are as flavorful as the city itself.
Subtropical, humid, and close to sea level — New Orleans gardening is an exercise in moisture management. Your 289-day growing season is generous, but the combination of heat, humidity, and afternoon thunderstorms creates disease pressure that would make a Midwest gardener faint. The soil ranges from rich Mississippi River alluvium (above sea level) to practically underwater (everywhere else). Raised beds aren't a preference — they're a necessity.
Saints fans know about rising from adversity — post-Katrina New Orleans literally rebuilt its gardens from mud. The city's community garden movement, led by organizations like Grow Dat Youth Farm, has turned recovery into food sovereignty. Your backyard Creole tomato isn't just a tomato — it's an act of cultural preservation.
What This Means for New Orleans Gardeners
The average last spring frost in New Orleans is around February 15, and the average first fall frost arrives around December 1. That gives you approximately 289 frost-free days to work with.
289 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 15, 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 New Orleans 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 New Orleans
With 289 frost-free days, New Orleans 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 Louisiana planting guide for all 40 plants: Louisiana Planting Calendar. Or enter your zip code for exact planting dates personalized to New Orleans.
More About Zone 9A
New Orleans 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 Louisiana: Louisiana Planting Calendar.
Other Cities in Louisiana
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the New Orleans 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 New Orleans (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 1 through February 15 — 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.