In USDA zone 5, the last spring frost usually falls between Apr 10 and May 10. Start basil indoors around Mar 12 to Apr 11. Plant them out around May 24 to Jun 17. Expect to harvest around Jun 29 to Oct 15.
| Start seeds indoors | Mar 12 to Apr 11 |
|---|---|
| Plant outside | May 24 to Jun 17 |
| Harvest | Jun 29 to Oct 15 |
| Typical last spring frost | Apr 10 to May 10 |
| Typical first fall frost | around Oct 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 basil in your exact town, not just your zone.
Get my dates free →Pinch it often and it gives all summer. Read the full basil growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.