When to plant shallot in zone 4b — planting calendar

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Showing USDA Zone 4B

Growing SeasonZone 4b

Last frost ~May 15First frost ~Sep 25Today

Start indoorsTransplant / sowHarvestFrost risk

APRMAYJUNJUL

Sow Apr 24 · First harvest Jun 23 · Wrap by Jul 21

Last spring frostMay 15

Direct sowApr 24

First harvestJun 23

Last harvestJul 21

First fall frostSep 25

Why these dates work in zone 4b

Zone 4b's last spring frost averages May 15 and first fall frost Sep 25 — about 133 frost-free days. Shallot 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 shallot take to grow in zone 4b?

Shallot matures in about 60–80 days from sowing. In zone 4b that means sowing around Apr 24 and first picking around Jun 23.

Will shallot survive frost in zone 4b?

Yes — shallot tolerates light frost. In zone 4b you can sow a little before the last frost (around May 15) and keep harvesting past the first fall frost (around Sep 25).

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