When to plant Sweet Pea in Zone 9a
In Zone 9a, Sweet Pea: direct sow outdoors around Jan 17–Feb 7. Expect to harvest around Apr 7–Apr 28.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 17 – Feb 7 |
| Harvest | Apr 7 – Apr 28 |
Tip: A cool-season climber — sow early, give it a trellis, and keep picking to prolong bloom.
Zone 9a averages a last spring frost around Feb 28 and a first fall frost around Dec 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9a calendar in the tool →