When to plant Sweet Pea in Zone 3a
In Zone 3a, Sweet Pea: direct sow outdoors around Apr 13–May 4. Expect to harvest around Jul 2–Jul 23.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 13 – May 4 |
| Harvest | Jul 2 – Jul 23 |
Tip: A cool-season climber — sow early, give it a trellis, and keep picking to prolong bloom.
Zone 3a averages a last spring frost around May 25 and a first fall frost around Sep 8. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3a calendar in the tool →