When to plant cucumbers in USDA Zone 6b

Plan your cucumbers 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.

Boone NC, northern VA, central KY, southern IN. Average last spring frost April 24, first fall frost October 8 — a 167-day frost-free season.

Zone fit: good

Cucumbers is frost-tender, so timing the outdoor transplant to the last frost matters more here than in warmer zones. Row cover buys 2 weeks of head start.

Key dates

Start seeds indoors

March 27 – April 10

Direct-seed or transplant outdoors

May 1 – May 22

Expected first harvest

July 2 – July 30

Fall planting window

July 23 – August 13

Fall harvest window

September 23 – October 21

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: 12″
Row spacing: 48″
Seed depth: 1″
Soil temperature: 70–90°F
Frost tolerance: tender
Days to harvest: 55 days

Grower notes for Zone 6b

Trellis for cleaner fruit and lower disease pressure. Successive plantings every 3 weeks keep harvest steady.

Plant near: beans, corn, radish

Keep away from: sage, potatoes

Other cucurbits for Zone 6b

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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