Jackson, MS Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Jackson, Mississippi.
Gardening in Jackson
Mississippi's capital sits in the heart of the state, where the Piney Woods meet the Delta. Jackson's food garden culture reflects the deep agricultural heritage of a state that was built on farming.
Central Mississippi heat and humidity define Jackson gardening — your 245-day growing season is long but the summer intensity requires strategic timing. Plant early spring crops before June heat arrives, then fall crops from August. The red clay soil is rich but demanding.
Jackson's food renaissance, led by chefs and growers who celebrate Mississippi's agricultural heritage, has elevated backyard gardening from subsistence to civic pride. The State Farmers Market and Mississippi's agricultural extension have decades of Southern growing wisdom.
What This Means for Jackson Gardeners
The average last spring frost in Jackson is around March 10, and the average first fall frost arrives around November 10. That gives you approximately 245 frost-free days to work with.
That's a generous season. You have time for full-size tomatoes, long-season peppers, and even watermelons without the anxiety of racing the frost. Start warm-season seeds indoors 6-8 weeks before your last frost to hit the ground running. Fall planting is your second opportunity — garlic, kale, lettuce, and broccoli all go in 8-10 weeks before your first frost for harvest into late autumn.
These dates are based on NOAA 30-year Climate Normal data for the Jackson 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 Jackson
Jackson's 245-day growing season is generous — long enough for two full growing windows (spring and fall) with warm-season crops between them. You can grow the full range of vegetables, herbs, and flowers with proper timing. Focus on heat-tolerant varieties for midsummer and cool-season crops for extended fall harvests. Recommended starting points: tomatoes, peppers, beans, cucumbers, squash, garlic, kale, and sunflowers.
See the full Mississippi planting guide for all 40 plants: Mississippi Planting Calendar. Or enter your zip code for exact planting dates personalized to Jackson.
More About Zone 8A
Jackson is in USDA Hardiness Zone 8A, which means average annual extreme minimum temperatures between 10°F to 15°F. View the full Zone 8A planting guide.
See the complete planting calendar for Mississippi: Mississippi Planting Calendar.
Other Cities in Mississippi
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Jackson 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 Jackson (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.
Cool-season crops go in 3-4 weeks before your last frost (March 10). Warm-season crops wait until 2 weeks after. You have time for a fall round too — plant cool-season crops again in late summer for harvest into autumn. Enter your zip code for exact dates.