When to plant Sweet Pea in Zone 3b
In Zone 3b, Sweet Pea: direct sow outdoors around Apr 8–Apr 29. Expect to harvest around Jun 27–Jul 18.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 8 – Apr 29 |
| Harvest | Jun 27 – Jul 18 |
Tip: A cool-season climber — sow early, give it a trellis, and keep picking to prolong bloom.
Zone 3b averages a last spring frost around May 20 and a first fall frost around Sep 12. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3b calendar in the tool →