Alaska · zones 3a–8a
When to plant carrots in Alaska.
Sow between Apr 4 to May 7 in a typical year, keyed to Alaska's median last frost around May 12. A second, fall sowing fits Jun 20 to Jul 16. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Carrots dates for a typical Alaska season.
Direct sow
Apr 4 to May 7
Keyed to the ~May 12 last frost. Sow 0.25" deep, 2" apart.
Fall round
Jun 20 to Jul 16
Counted back from the ~Sep 15 first frost.
Harvest
~68 days later
~0.2 lb per plant over ~2 weeks.
Alaska spans more than one climate: Zone 3 is the most common zone, but the state runs 3a to 8a. 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.