In USDA zone 3, the last spring frost usually falls between May 5 and May 31. Start eggplant indoors around Mar 17 to Apr 28. Plant them out around Jun 4 to Jun 28. Expect to harvest around Aug 22 to Sep 15.
| Start seeds indoors | Mar 17 to Apr 28 |
|---|---|
| Plant outside | Jun 4 to Jun 28 |
| Harvest | Aug 22 to Sep 15 |
| Typical last spring frost | May 5 to May 31 |
| 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 eggplant in your exact town, not just your zone.
Get my dates free →Glossy, sun-loving, and worth the wait. Read the full eggplant growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.