When to plant Cauliflower in Zone 2b
In Zone 2b, Cauliflower: start seeds indoors around Apr 11–Apr 25; transplant outdoors around May 16–May 30. Expect to harvest around Jul 25–Aug 8.
| Step | When |
|---|---|
| Start seeds indoors | Apr 11 – Apr 25 |
| Transplant outdoors | May 16 – May 30 |
| Harvest | Jul 25 – Aug 8 |
Tip: Fussier than broccoli — it needs cool, even conditions. Blanch heads by tying leaves over them.
Zone 2b averages a last spring frost around May 30 and a first fall frost around Sep 1. These are zone averages — look up your ZIP for your exact area.
See the full Zone 2b calendar in the tool →