When to plant peas in Maine
Maine spans USDA zones 5a–6a, so the right time to plant peas shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 14 in Lewiston to April 4 in Sanford — below are local dates for 13 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Portland | 6a | April 26 | October 15 | March 15 – April 12 |
| Lewiston | 5b | April 25 | October 19 | March 14 – April 11 |
| Bangor | 5a | May 4 | October 4 | March 23 – April 20 |
| South Portland | 6a | April 26 | October 15 | March 15 – April 12 |
| Auburn | 5b | April 25 | October 19 | March 14 – April 11 |
| Biddeford | 6a | May 9 | October 3 | March 28 – April 25 |
| Sanford | 5b | May 16 | September 30 | April 4 – May 2 |
| Saco | 6a | April 26 | October 15 | March 15 – April 12 |
Peas in Maine: FAQ
When can I plant peas in Maine?
Across Maine, the time to direct-sow peas spans roughly March 14 in Lewiston to April 4 in Sanford, each following that city's local frost dates.
Does the peas planting date vary across Maine?
Yes. Maine publishes 13 cities with their own frost dates, so the right peas planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does peas take to grow in Maine?
Peas takes about 55–70 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.