Pennsylvania · zones 5b–7b
When to plant carrots in Pennsylvania.
Sow between Mar 18 to Apr 20 in a typical year, keyed to Pennsylvania's median last frost around Apr 25. A second, fall sowing fits Jul 19 to Aug 14. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Carrots dates for a typical Pennsylvania season.
Direct sow
Mar 18 to Apr 20
Keyed to the ~Apr 25 last frost. Sow 0.25" deep, 2" apart.
Fall round
Jul 19 to Aug 14
Counted back from the ~Oct 14 first frost.
Harvest
~68 days later
~0.2 lb per plant over ~2 weeks.
Pennsylvania spans more than one climate: Zone 6 is the most common zone, but the state runs 5b to 7b. 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.