Tomatoes planting calendar for USDA Zone 8a

Wilmington NC, Columbia SC, Atlanta, Dallas, Norfolk. Average last spring frost March 28, first fall frost November 5 — a 222-day frost-free season.

Zone fit: excellent

Tomatoes is well suited to Zone 8a. Standard planting dates work with minor adjustments for microclimates.

Key dates

Start seeds indoors

February 7 – February 21

Transplant outdoors

April 4 – April 25

Expected first harvest

June 25 – July 23

Fall planting window

July 23 – August 13

Fall harvest window

October 13 – November 10

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: 24″
Row spacing: 48″
Seed depth: 0.25″
Soil temperature: 70–85°F
Frost tolerance: tender
Days to harvest: 75 days

Grower notes for Zone 8a

Set transplants deep — bury two-thirds of the stem to encourage adventitious roots. Stake or cage before fruit set.

Plant near: basil, carrots, onions

Keep away from: brassicas, corn, fennel

Other nightshades for Zone 8a

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.

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