When to plant Marigold in Zone 12b
In Zone 12b, Marigold: start seeds indoors around Nov 20–Dec 4; transplant outdoors around Jan 8–Jan 15; direct sow outdoors around Jan 1–Jan 15. Expect to harvest around Feb 20–Mar 6.
| Step | When |
|---|---|
| Start seeds indoors | Nov 20 – Dec 4 |
| Transplant outdoors | Jan 8 – Jan 15 |
| Direct sow outdoors | Jan 1 – Jan 15 |
| Harvest | Feb 20 – Mar 6 |
| Harvest | Feb 27 – Mar 6 |
Tip: Easy and fast; a classic companion plant that brightens the veg bed and deters some pests.
Zone 12b averages a last spring frost around Jan 1 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 12b calendar in the tool →