Last spring frostMay 7
Direct sowApr 16
First harvestJun 15
Last harvestJul 13
First fall frostOct 13
Why these dates work in zone 4a
Zone 4a's last spring frost averages May 7 and first fall frost Oct 13 — about 159 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 4a?
Shallot matures in about 60–80 days from sowing. In zone 4a that means sowing around Apr 16 and first picking around Jun 15.
Will shallot survive frost in zone 4a?
Yes — shallot tolerates light frost. In zone 4a you can sow a little before the last frost (around May 7) and keep harvesting past the first fall frost (around Oct 13).
For soil, spacing, pests and companion planting, see the full shallot growing guide →