GrowZone

Crop by USDA zone

When to plant spinach in zone 5a

In USDA zone 5a, plant spinach 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 spinach dates by ZIP code.

Seed starting schedule

Spinach dates for Minneapolis, MN

StepDateHow to use it
Direct SowApril 12, 2026Sow seed outside when the crop and soil can handle the window.