When to plant Marigold in Zone 4b
In Zone 4b, Marigold: start seeds indoors around Mar 29–Apr 12; transplant outdoors around May 17–May 24; direct sow outdoors around May 10–May 24. Expect to harvest around Jun 29–Jul 13.
| Step | When |
|---|---|
| Start seeds indoors | Mar 29 – Apr 12 |
| Transplant outdoors | May 17 – May 24 |
| Direct sow outdoors | May 10 – May 24 |
| Harvest | Jun 29 – Jul 13 |
| Harvest | Jul 6 – Jul 13 |
Tip: Easy and fast; a classic companion plant that brightens the veg bed and deters some pests.
Zone 4b averages a last spring frost around May 10 and a first fall frost around Sep 22. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4b calendar in the tool →