Indiana · zones 5b–6b
When to plant carrots in Indiana.
Sow between Mar 15 to Apr 17 in a typical year, keyed to Indiana's median last frost around Apr 22. A second, fall sowing fits Jul 22 to Aug 17. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Carrots dates for a typical Indiana season.
Direct sow
Mar 15 to Apr 17
Keyed to the ~Apr 22 last frost. Sow 0.25" deep, 2" apart.
Fall round
Jul 22 to Aug 17
Counted back from the ~Oct 17 first frost.
Harvest
~68 days later
~0.2 lb per plant over ~2 weeks.
Indiana spans more than one climate: Zone 6 is the most common zone, but the state runs 5b to 6b. That's why the planner works from your ZIP code's frost dates, not your zone — mountain and coastal gardens in the same state can be three weeks apart.