When to plant potato in zone 6b — planting calendar

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Showing USDA Zone 6B

Growing SeasonZone 6b

Last frost ~Apr 20First frost ~Oct 15Today

Start indoorsTransplant / sowHarvestFrost risk

MARAPRMAYJUNJULAUG

Sow Apr 6 · First harvest Jun 15 · Wrap by Jul 27

Last spring frostApr 20

Direct sowApr 6

First harvestJun 15

Last harvestJul 27

First fall frostOct 15

Why these dates work in zone 6b

Zone 6b's last spring frost averages Apr 20 and first fall frost Oct 15 — about 178 frost-free days. Potato tolerates light frost, so you can sow ahead of the last-frost date and keep harvesting into the cooler fall.

Common questions

How long does potato take to grow in zone 6b?

Potato matures in about 70–120 days from sowing. In zone 6b that means sowing around Apr 6 and first picking around Jun 15.

Will potato survive frost in zone 6b?

Yes — potato tolerates light frost. In zone 6b you can sow a little before the last frost (around Apr 20) and keep harvesting past the first fall frost (around Oct 15).

For soil, spacing, pests and companion planting, see the full potato growing guide →