When to plant peppers in USDA Zone 8b

Plan your peppers planting around local frost risk and soil temperature, then work backward from the harvest week your buyers need. The calendar below is a starting point, not a field-level weather forecast.

Charleston SC, Savannah, Mobile, Austin, Jacksonville. Average last spring frost March 15, first fall frost November 15 — a 245-day frost-free season.

Zone fit: excellent
Peppers is well suited to Zone 8b. Standard planting dates work with minor adjustments for microclimates.

Key dates

Start seeds indoors
January 11 – January 25
Transplant outdoors
March 29 – April 19
Expected first harvest
June 14 – July 12
Fall planting window
August 16 – September 6
Fall harvest window
November 1 – November 29

Windows are calculated from your zone's average frost dates. Adjust ±1 week for microclimates, elevation, and your own frost records.

Spacing and soil

Plant spacing
18″
Row spacing
30″
Seed depth
0.25″
Soil temperature
75–85°F
Frost tolerance
tender
Days to harvest
70 days

Grower notes for Zone 8b

Peppers need warmer soil than tomatoes. Wait until nights are consistently above 55°F or fruit set stalls.

Plant near: basil, onions, carrots

Keep away from: fennel, kohlrabi

Other nightshades for Zone 8b

Same crop, other zones

Track your own plantings

BAU Farm Intelligence turns these windows into per-field tasks — indoor seed-start reminders, transplant dates, harvest projections — using your farm's actual frost history.