GrowZone

Crop by USDA zone

When to plant carrots in zone 6a

In USDA zone 6a, plant carrots around Apr 14, after the representative last frost near May 5.

This page summarizes the supported ZIPs in zone 6a. Your exact city can move earlier or later, so use the ZIP lookup for the frost-station-specific answer.

Get exact carrots dates by ZIP code.

Seed starting schedule

Carrots dates for Denver, CO

StepDateHow to use it
Direct SowApril 14, 2026Sow seed outside when the crop and soil can handle the window.
Milwaukee, WI · Zone 6a Carrots Apr 19 Open ZIP-specific answer · last frost May 10 Chicago, IL · Zone 6a Carrots Apr 4 Open ZIP-specific answer · last frost Apr 25 Omaha, NE · Zone 6a Carrots Apr 14 Open ZIP-specific answer · last frost May 5 Aurora, CO · Zone 6a Carrots Apr 14 Open ZIP-specific answer · last frost May 5 Denver, CO · Zone 6a Carrots Apr 14 Open ZIP-specific answer · last frost May 5 Colorado Springs, CO · Zone 6a Carrots Apr 24 Open ZIP-specific answer · last frost May 15