When to plant Snapdragon in Zone 10a
In Zone 10a, Snapdragon: start seeds indoors around Dec 6–Dec 20; transplant outdoors around Jan 17–Jan 31. Expect to harvest around Apr 17–May 1.
| Step | When |
|---|---|
| Start seeds indoors | Dec 6 – Dec 20 |
| Transplant outdoors | Jan 17 – Jan 31 |
| Harvest | Apr 17 – May 1 |
Tip: Cool-tolerant; transplant a bit before the last frost. Pinch tips for bushier, multi-stem plants.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →