When to plant Cauliflower in Zone 2a
In Zone 2a, Cauliflower: start seeds indoors around Apr 17–May 1; transplant outdoors around May 22–Jun 5. Expect to harvest around Jul 31–Aug 14.
| Step | When |
|---|---|
| Start seeds indoors | Apr 17 – May 1 |
| Transplant outdoors | May 22 – Jun 5 |
| Harvest | Jul 31 – Aug 14 |
Tip: Fussier than broccoli — it needs cool, even conditions. Blanch heads by tying leaves over them.
Zone 2a averages a last spring frost around Jun 5 and a first fall frost around Aug 25. These are zone averages — look up your ZIP for your exact area.
See the full Zone 2a calendar in the tool →