When to plant Pepper in Zone 4a
In Zone 4a, Pepper: start seeds indoors around Mar 13–Mar 27; transplant outdoors around May 29–Jun 5. Expect to harvest around Aug 17–Aug 24.
| Step | When |
|---|---|
| Start seeds indoors | Mar 13 – Mar 27 |
| Transplant outdoors | May 29 – Jun 5 |
| Harvest | Aug 17 – Aug 24 |
Tip: Peppers love heat and are slow to start — give them an early indoor start and warm soil at transplant.
Zone 4a averages a last spring frost around May 15 and a first fall frost around Sep 18. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4a calendar in the tool →