Arkansas · zones 6b–8a
When to plant spinach in Arkansas.
Sow between Feb 1 to Mar 15 in a typical year, keyed to Arkansas's median last frost around Mar 25. A second, fall sowing fits Aug 22 to Oct 10. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Spinach dates for a typical Arkansas season.
Direct sow
Feb 1 to Mar 15
Keyed to the ~Mar 25 last frost. Sow 0.5" deep, 3" apart.
Fall round
Aug 22 to Oct 10
Counted back from the ~Nov 5 first frost.
Harvest
~42 days later
~0.25 lb per plant over ~1 weeks.
Arkansas spans more than one climate: Zone 8 is the most common zone, but the state runs 6b 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.