When to Plant Potato in Zone 6b

Solanum tuberosum

Last updated: May 15, 2026 · Sources: USDA, NOAA, Cooperative Extension
Action Plan

Plant Potato in Zone 6b

  • Start indoors: Mar 25
  • Transplant: Apr 22 — after last frost (Apr 8)
  • First harvest: Jul 18 (70–120 days)
⚠️ Zone 6b last frost: Apr 8. Don't plant frost-sensitive crops before this date.
Last frost
Apr 8
First frost
Oct 22
Growing season
197 days
Zone 6b is the warmer half of Zone 6

Zone 6b has a last frost around Apr 8 and first frost around Oct 22, giving you approximately 197 growing days. This is about 2 weeks longer than Zone 6a. For more details see the Zone 6 complete guide.

Other Zones for Potato

Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10
📚 Data Sources
Frost dates: NOAA Climate Normals 1991–2020, National Centers for Environmental Information.
Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services — NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.