When to plant Marigold in Zone 3a
In Zone 3a, Marigold: start seeds indoors around Apr 13–Apr 27; transplant outdoors around Jun 1–Jun 8; direct sow outdoors around May 25–Jun 8. Expect to harvest around Jul 14–Jul 28.
| Step | When |
|---|---|
| Start seeds indoors | Apr 13 – Apr 27 |
| Transplant outdoors | Jun 1 – Jun 8 |
| Direct sow outdoors | May 25 – Jun 8 |
| Harvest | Jul 14 – Jul 28 |
| Harvest | Jul 21 – Jul 28 |
Tip: Easy and fast; a classic companion plant that brightens the veg bed and deters some pests.
Zone 3a averages a last spring frost around May 25 and a first fall frost around Sep 8. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3a calendar in the tool →