When to plant Snapdragon in Zone 1b
In Zone 1b, Snapdragon: start seeds indoors around Apr 15–Apr 29; transplant outdoors around May 27–Jun 10. Expect to harvest around Aug 25–Sep 8.
| Step | When |
|---|---|
| Start seeds indoors | Apr 15 – Apr 29 |
| Transplant outdoors | May 27 – Jun 10 |
| Harvest | Aug 25 – Sep 8 |
Tip: Cool-tolerant; transplant a bit before the last frost. Pinch tips for bushier, multi-stem plants.
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 →