When to plant cauliflower in zone 5
In USDA zone 5, the last spring frost usually falls between Apr 10 and May 10. Start cauliflower indoors around Feb 22 to Mar 30. Plant them out around Apr 17 to May 18. Expect to harvest around Jun 5 to Jul 21.
Zone 5 dates for cauliflower
| Start seeds indoors | Feb 22 to Mar 30 |
|---|---|
| Plant outside | Apr 17 to May 18 |
| Harvest | Jun 5 to Jul 21 |
| 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 cauliflower in your exact town, not just your zone.
Get my dates free →How to grow cauliflower
The fussy but rewarding brassica. Read the full cauliflower growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.