When to plant brussels sprouts in USDA Zone 7a

Plan your brussels sprouts 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.

Asheville, Winston-Salem, Roanoke, Nashville, Little Rock. Average last spring frost April 15, first fall frost October 15 — a 183-day frost-free season.

Zone fit: excellent
Brussels sprouts is well suited to Zone 7a. Standard planting dates work with minor adjustments for microclimates.

Key dates

Start seeds indoors
February 25 – March 11
Transplant outdoors
March 25 – April 15
Expected first harvest
July 10 – August 7
Fall planting window
June 4 – June 25
Fall harvest window
September 19 – October 17

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
36″
Seed depth
0.25″
Soil temperature
55–75°F
Frost tolerance
hardy
Days to harvest
100 days

Grower notes for Zone 7a

Fall-only crop in the Southeast. Top the plant 4 weeks before target harvest for uniform sprouts up the stem.

Plant near: onions, dill

Keep away from: strawberries

Other brassicas for Zone 7a

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.