When to plant tomatoes in USDA Zone 7b

Plan your tomatoes 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.

Raleigh, Greensboro, Richmond, Knoxville, Memphis. Average last spring frost April 8, first fall frost October 22 — a 197-day frost-free season.

Zone fit: excellent
Tomatoes is well suited to Zone 7b. Standard planting dates work with minor adjustments for microclimates.

Key dates

Start seeds indoors
February 18 – March 4
Transplant outdoors
April 15 – May 6
Expected first harvest
July 6 – August 3
Fall planting window
July 9 – July 30
Fall harvest window
September 29 – October 27

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 7b

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 7b

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.