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Planting Calendar · Zone 8B

When to plant potato in zone 8b

In USDA zone 8b, sow potato around Mar 1, and harvest from May 10.

Brad FerradaWritten by Brad Ferrada, who built Garzed · planting data from university extensions
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Showing USDA Zone 8B
Growing SeasonZone 8b
Last frost ~Mar 15First frost ~Nov 15Today
Start indoorsTransplant / sowHarvestFrost risk
FEBMARAPRMAYJUNJUL
Sow Mar 1 · First harvest May 10 · Wrap by Jun 21
Last spring frostMar 15
Direct sowMar 1
First harvestMay 10
Last harvestJun 21
First fall frostNov 15

Why these dates work in zone 8b

Zone 8b's last spring frost averages Mar 15 and first fall frost Nov 15 — about 245 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 8b?

Potato matures in about 70–120 days from sowing. In zone 8b that means sowing around Mar 1 and first picking around May 10.

Will potato survive frost in zone 8b?

Yes — potato tolerates light frost. In zone 8b you can sow a little before the last frost (around Mar 15) and keep harvesting past the first fall frost (around Nov 15).

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