Garlic planting calendar for USDA Zone 7b

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
Garlic is well suited to Zone 7b. Standard planting dates work with minor adjustments for microclimates.

Key dates

Direct-seed outdoors
June 24 – July 15
Expected first harvest
February 26 – March 26
Fall planting window
September 17 – October 8
Fall harvest window
May 22 – June 19

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
6″
Row spacing
12″
Seed depth
2″
Soil temperature
45–60°F
Frost tolerance
hardy
Days to harvest
240 days

Grower notes for Zone 7b

Fall-planted only. Plant 4–6 weeks before first frost so roots establish before soil freezes. Harvest when lower 3 leaves brown.

Plant near: tomatoes, brassicas

Keep away from: beans, peas

Other alliums 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.