Greensboro, NC Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Greensboro, North Carolina.
Gardening in Greensboro
The Gate City sits in the heart of the Piedmont Triad, where the rolling red clay hills grow food with Southern reliability. Greensboro's moderate size and established neighborhoods provide the yard space and gardening tradition that newer Sun Belt suburbs sometimes lack.
Piedmont climate at its most balanced — your 220 frost-free days are generous, winters are mild enough for overwintering kale and spinach, and summer heat, while real, is moderated compared to the Coastal Plain. The red clay is the universal challenge and conversation starter.
The Greensboro Farmers Curb Market has been operating since 1874. The city's civil rights history is paralleled by a food justice movement that's expanding garden access across underserved neighborhoods. Guilford County Extension is among the most active in the state.
What This Means for Greensboro Gardeners
The average last spring frost in Greensboro is around March 30, and the average first fall frost arrives around November 5. That gives you approximately 220 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 Greensboro 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 Greensboro
Greensboro's 220-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 North Carolina planting guide for all 40 plants: North Carolina Planting Calendar. Or enter your zip code for exact planting dates personalized to Greensboro.
More About Zone 7B
Greensboro 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 North Carolina: North Carolina Planting Calendar.
Other Cities in North Carolina
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Greensboro 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 Greensboro (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 30). 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.