In USDA zone 7, the last spring frost usually falls between Apr 1 and Apr 20. Start Brussels sprouts indoors around Mar 22 to Apr 22. Plant them out around May 22 to Jun 15. Expect to harvest around Oct 6 to Nov 30.
| Start seeds indoors | Mar 22 to Apr 22 |
|---|---|
| Plant outside | May 22 to Jun 15 |
| Harvest | Oct 6 to Nov 30 |
| Typical last spring frost | Apr 1 to Apr 20 |
| 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 Brussels sprouts in your exact town, not just your zone.
Get my dates free →A long-season treat, sweetened by frost. Read the full Brussels sprouts growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.