When to plant Sweet Pea in Zone 5a
In Zone 5a, Sweet Pea: direct sow outdoors around Mar 24–Apr 14. Expect to harvest around Jun 12–Jul 3.
| Step | When |
|---|---|
| Direct sow outdoors | Mar 24 – Apr 14 |
| Harvest | Jun 12 – Jul 3 |
Tip: A cool-season climber — sow early, give it a trellis, and keep picking to prolong bloom.
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 →