When to plant Basil in Zone 8a
In Zone 8a, Basil: start seeds indoors around Feb 8–Feb 22; transplant outdoors around Mar 29–Apr 12. Expect to harvest around May 28–Jun 11.
| Step | When |
|---|---|
| Start seeds indoors | Feb 8 – Feb 22 |
| Transplant outdoors | Mar 29 – Apr 12 |
| Harvest | May 28 – Jun 11 |
Tip: Extremely frost-sensitive. Keep indoors until nights are reliably warm, then pinch often.
Zone 8a averages a last spring frost around Mar 22 and a first fall frost around Nov 18. These are zone averages — look up your ZIP for your exact area.
See the full Zone 8a calendar in the tool →