Atlanta, GA Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Atlanta, Georgia.
Gardening in Atlanta
Atlanta's gardening scene reflects the city itself: rapidly growing, increasingly diverse, and deeply rooted in Southern tradition. The city sits at the intersection of Piedmont clay and Southern charm, where church-lady gardeners with 40 years of wisdom share plots with young urban farmers experimenting with West African vegetables.
The red clay is the first thing every Atlanta gardener learns to deal with. It's heavy, it's dense, it drains poorly, and it stains everything it touches. But it's also mineral-rich and, once amended with compost, grows food beautifully. Atlanta's long warm season (230 frost-free days) supports both Southern staples like okra and collards and warm-season showoffs like figs and muscadine grapes.
Braves fans waited decades for a championship and finally got one — Atlanta gardeners waiting for their clay soil to become workable each spring understand that patience. The BeltLine has transformed old rail corridors into linear parks where community gardens thrive. Decatur's farmers market is the gathering place where Atlanta's food obsession and gardening culture collide every Saturday morning.
What This Means for Atlanta Gardeners
The average last spring frost in Atlanta is around March 25, and the average first fall frost arrives around November 10. That gives you approximately 230 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 Atlanta 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 Atlanta
Atlanta's 230-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 Georgia planting guide for all 40 plants: Georgia Planting Calendar. Or enter your zip code for exact planting dates personalized to Atlanta.
More About Zone 7B
Atlanta is in USDA Hardiness Zone 7B, which means average annual extreme minimum temperatures between 5°F to 10°F. View the full Zone 7B planting guide.
See the complete planting calendar for Georgia: Georgia Planting Calendar.
Other Cities in Georgia
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Atlanta 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 Atlanta (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 25). 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.