When to plant Calendula in Zone 3a
In Zone 3a, Calendula: direct sow outdoors around May 11–Jun 8; direct sow outdoors around Jul 14–Jul 28. Expect to harvest around Jun 30–Jul 28.
| Step | When |
|---|---|
| Direct sow outdoors | May 11 – Jun 8 |
| Direct sow outdoors | Jul 14 – Jul 28 |
| Harvest | Jun 30 – Jul 28 |
| Harvest | Sep 2 – Sep 16 |
Tip: Cool-season and edible; deadhead often and it'll bloom from spring into fall.
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 →