GrowZone

Crop by USDA zone

When to plant radishes in zone 5a

In USDA zone 5a, plant radishes around Apr 12, after the representative last frost near May 10.

This page summarizes the supported ZIPs in zone 5a. Your exact city can move earlier or later, so use the ZIP lookup for the frost-station-specific answer.

Get exact radishes dates by ZIP code.

Seed starting schedule

Radishes dates for Minneapolis, MN

StepDateHow to use it
Direct SowApril 12, 2026Sow seed outside when the crop and soil can handle the window.
Minneapolis, MN · Zone 5a Radishes Apr 12 Open ZIP-specific answer · last frost May 10