When to plant Kale in Zone 9b
In Zone 9b, Kale: start seeds indoors around Jan 4–Jan 18; transplant outdoors around Feb 1–Feb 15; direct sow outdoors around Feb 1–Mar 1; direct sow outdoors around Sep 22–Oct 20. Expect to harvest around Apr 2–Apr 16.
| Step | When |
|---|---|
| Start seeds indoors | Jan 4 – Jan 18 |
| Transplant outdoors | Feb 1 – Feb 15 |
| Direct sow outdoors | Feb 1 – Mar 1 |
| Direct sow outdoors | Sep 22 – Oct 20 |
| Harvest | Apr 2 – Apr 16 |
| Harvest | Apr 2 – Apr 30 |
| Harvest | Nov 21 – Dec 19 |
Tip: Frost actually sweetens the leaves. Excellent for fall and overwintering in mild zones.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →