When to plant Calendula in Zone 1b
In Zone 1b, Calendula: direct sow outdoors around May 27–Jun 24; direct sow outdoors around Jun 25–Jul 9. Expect to harvest around Jul 16–Aug 13.
| Step | When |
|---|---|
| Direct sow outdoors | May 27 – Jun 24 |
| Direct sow outdoors | Jun 25 – Jul 9 |
| Harvest | Jul 16 – Aug 13 |
| Harvest | Aug 14 – Aug 28 |
Tip: Cool-season and edible; deadhead often and it'll bloom from spring into fall.
Zone 1b averages a last spring frost around Jun 10 and a first fall frost around Aug 20. These are zone averages — look up your ZIP for your exact area.
See the full Zone 1b calendar in the tool →