When to plant Broccoli in Zone 13b
In Zone 13b, Broccoli: start seeds indoors around Nov 13–Nov 27; transplant outdoors around Dec 18–Jan 1; direct sow outdoors around Sep 24–Oct 15. Expect to harvest around Feb 21–Mar 7.
| Step | When |
|---|---|
| Start seeds indoors | Nov 13 – Nov 27 |
| Transplant outdoors | Dec 18 – Jan 1 |
| Direct sow outdoors | Sep 24 – Oct 15 |
| Harvest | Feb 21 – Mar 7 |
| Harvest | Nov 28 – Dec 19 |
Tip: A cool-season brassica. Transplant in early spring or late summer; it bolts in midsummer heat.
Zone 13b averages a last spring frost around Jan 1 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 13b calendar in the tool →