Green beans (bush) planting calendar for USDA Zone 8b

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
Green beans (bush) is well suited to Zone 8b. Standard planting dates work with minor adjustments for microclimates.

Key dates

Direct-seed outdoors
March 15 – April 5
Expected first harvest
May 16 – June 13
Fall planting window
August 30 – September 20
Fall harvest window
October 31 – November 28

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
4″
Row spacing
24″
Seed depth
1″
Soil temperature
65–85°F
Frost tolerance
tender
Days to harvest
55 days

Grower notes for Zone 8b

Do not soak seed — beans rot easily. Successive plantings every 2 weeks until 60 days before first frost.

Plant near: corn, cucumbers, carrots

Keep away from: onions, garlic

Other legumes 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.