When to plant Calendula in Zone 1a
In Zone 1a, Calendula: direct sow outdoors around Jun 1–Jun 29; direct sow outdoors around Jun 20–Jul 4. Expect to harvest around Jul 21–Aug 18.
| Step | When |
|---|---|
| Direct sow outdoors | Jun 1 – Jun 29 |
| Direct sow outdoors | Jun 20 – Jul 4 |
| Harvest | Jul 21 – Aug 18 |
| Harvest | Aug 9 – Aug 23 |
Tip: Cool-season and edible; deadhead often and it'll bloom from spring into fall.
Zone 1a averages a last spring frost around Jun 15 and a first fall frost around Aug 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 1a calendar in the tool →