When to plant Snapdragon in Zone 5b
In Zone 5b, Snapdragon: start seeds indoors around Mar 5–Mar 19; transplant outdoors around Apr 16–Apr 30. Expect to harvest around Jul 15–Jul 29.
| Step | When |
|---|---|
| Start seeds indoors | Mar 5 – Mar 19 |
| Transplant outdoors | Apr 16 – Apr 30 |
| Harvest | Jul 15 – Jul 29 |
Tip: Cool-tolerant; transplant a bit before the last frost. Pinch tips for bushier, multi-stem plants.
Zone 5b averages a last spring frost around Apr 30 and a first fall frost around Oct 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5b calendar in the tool →