When to plant Snapdragon in Zone 5a
In Zone 5a, Snapdragon: start seeds indoors around Mar 10–Mar 24; transplant outdoors around Apr 21–May 5. Expect to harvest around Jul 20–Aug 3.
| Step | When |
|---|---|
| Start seeds indoors | Mar 10 – Mar 24 |
| Transplant outdoors | Apr 21 – May 5 |
| Harvest | Jul 20 – Aug 3 |
Tip: Cool-tolerant; transplant a bit before the last frost. Pinch tips for bushier, multi-stem plants.
Zone 5a averages a last spring frost around May 5 and a first fall frost around Oct 1. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5a calendar in the tool →