When to plant peppers in zone 4
In USDA zone 4, the last spring frost usually falls between May 1 and May 20. Start peppers indoors around Feb 28 to Apr 15. Plant them out around May 28 to Jun 21. Expect to harvest around Aug 15 to Sep 15.
Zone 4 dates for peppers
| Start seeds indoors | Feb 28 to Apr 15 |
|---|---|
| Plant outside | May 28 to Jun 21 |
| Harvest | Aug 15 to Sep 15 |
| Typical last spring frost | May 1 to May 20 |
| Typical first fall frost | around Sep 15 |
USDA zones measure winter cold, not frost dates, so these are typical dates for the zone. Towns in the same zone can be weeks apart.
Get dates for peppers in your exact town, not just your zone.
Get my dates free →How to grow peppers
Sweet or hot — they love a warm summer. Read the full peppers growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.