When to plant Sweet Pea in Zone 5b
In Zone 5b, Sweet Pea: direct sow outdoors around Mar 19–Apr 9. Expect to harvest around Jun 7–Jun 28.
| Step | When |
|---|---|
| Direct sow outdoors | Mar 19 – Apr 9 |
| Harvest | Jun 7 – Jun 28 |
Tip: A cool-season climber — sow early, give it a trellis, and keep picking to prolong bloom.
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 →