Pine Bluff, AR Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Pine Bluff, Arkansas.
Gardening in Pine Bluff
The Arkansas Delta's agricultural heritage runs through Pine Bluff, where the Arkansas River bottomland provides some of the state's most fertile growing conditions.
Zone 7b with 231 frost-free days. The Arkansas River delta is flat and fertile — rich alluvial soil that grows food generously. Summer heat and humidity are significant.
Pine Bluff's agricultural heritage connects to the Arkansas Delta's rich farming traditions. UAPB's agricultural programs serve the regional growing community.
What This Means for Pine Bluff Gardeners
The average last spring frost in Pine Bluff is around March 22, and the average first fall frost arrives around November 8. That gives you approximately 231 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 Pine Bluff 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 Pine Bluff
Pine Bluff's 231-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 Arkansas planting guide for all 40 plants: Arkansas Planting Calendar. Or enter your zip code for exact planting dates personalized to Pine Bluff.
More About Zone 7B
Pine Bluff 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 Arkansas: Arkansas Planting Calendar.
Other Cities in Arkansas
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Pine Bluff 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 Pine Bluff (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 22). 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.