When to plant Basil in Zone 8b
In Zone 8b, Basil: start seeds indoors around Feb 1–Feb 15; transplant outdoors around Mar 22–Apr 5. Expect to harvest around May 21–Jun 4.
| Step | When |
|---|---|
| Start seeds indoors | Feb 1 – Feb 15 |
| Transplant outdoors | Mar 22 – Apr 5 |
| Harvest | May 21 – Jun 4 |
Tip: Extremely frost-sensitive. Keep indoors until nights are reliably warm, then pinch often.
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 →