When to plant Marigold in Zone 10a
In Zone 10a, Marigold: start seeds indoors around Dec 20–Jan 3; transplant outdoors around Feb 7–Feb 14; direct sow outdoors around Jan 31–Feb 14. Expect to harvest around Mar 22–Apr 5.
| Step | When |
|---|---|
| Start seeds indoors | Dec 20 – Jan 3 |
| Transplant outdoors | Feb 7 – Feb 14 |
| Direct sow outdoors | Jan 31 – Feb 14 |
| Harvest | Mar 22 – Apr 5 |
| Harvest | Mar 29 – Apr 5 |
Tip: Easy and fast; a classic companion plant that brightens the veg bed and deters some pests.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →