When to plant Cauliflower in Zone 8b
In Zone 8b, Cauliflower: start seeds indoors around Jan 25–Feb 8; transplant outdoors around Mar 1–Mar 15. Expect to harvest around May 10–May 24.
| Step | When |
|---|---|
| Start seeds indoors | Jan 25 – Feb 8 |
| Transplant outdoors | Mar 1 – Mar 15 |
| Harvest | May 10 – May 24 |
Tip: Fussier than broccoli — it needs cool, even conditions. Blanch heads by tying leaves over them.
Zone 8b averages a last spring frost around Mar 15 and a first fall frost around Nov 25. These are zone averages — look up your ZIP for your exact area.
See the full Zone 8b calendar in the tool →