When to plant Marigold in Zone 10b
In Zone 10b, Marigold: start seeds indoors around Dec 4–Dec 18; transplant outdoors around Jan 22–Jan 29; direct sow outdoors around Jan 15–Jan 29. Expect to harvest around Mar 6–Mar 20.
| Step | When |
|---|---|
| Start seeds indoors | Dec 4 – Dec 18 |
| Transplant outdoors | Jan 22 – Jan 29 |
| Direct sow outdoors | Jan 15 – Jan 29 |
| Harvest | Mar 6 – Mar 20 |
| Harvest | Mar 13 – Mar 20 |
Tip: Easy and fast; a classic companion plant that brightens the veg bed and deters some pests.
Zone 10b averages a last spring frost around Jan 15 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10b calendar in the tool →