When to plant Zinnia in Zone 2a
In Zone 2a, Zinnia: start seeds indoors around May 8–May 22; transplant outdoors around Jun 12–Jun 19; direct sow outdoors around Jun 5–Jun 19. Expect to harvest around Aug 4–Aug 18.
| Step | When |
|---|---|
| Start seeds indoors | May 8 – May 22 |
| Transplant outdoors | Jun 12 – Jun 19 |
| Direct sow outdoors | Jun 5 – Jun 19 |
| Harvest | Aug 4 – Aug 18 |
| Harvest | Aug 11 – Aug 18 |
Tip: A cut-flower workhorse. Direct-sow after frost and pinch young plants for more stems.
Zone 2a averages a last spring frost around Jun 5 and a first fall frost around Aug 25. These are zone averages — look up your ZIP for your exact area.
See the full Zone 2a calendar in the tool →