When to plant Parsley in Zone 4a
In Zone 4a, Parsley: start seeds indoors around Mar 20–Apr 3; transplant outdoors around May 1–May 15; direct sow outdoors around May 1–May 29. Expect to harvest around Jul 15–Jul 29.
| Step | When |
|---|---|
| Start seeds indoors | Mar 20 – Apr 3 |
| Transplant outdoors | May 1 – May 15 |
| Direct sow outdoors | May 1 – May 29 |
| Harvest | Jul 15 – Jul 29 |
| Harvest | Jul 15 – Aug 12 |
Tip: Slow to germinate — soak seed overnight and be patient. Cold-hardy well into fall.
Zone 4a averages a last spring frost around May 15 and a first fall frost around Sep 18. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4a calendar in the tool →