When to plant Cauliflower in Maine
In spring, from Mar 15 – Apr 20 in Auburn to May 10 – June 15 in Sanford.
In fall, from May 10 – July 15 in Bangor to July 1 – Aug 5 in Lewiston.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Auburn | Mar 15 – Apr 20 | July 1 – Aug 5 |
| Augusta | Apr 10 – May 10 | July 1 – Aug 5 |
| Bangor | Apr 10 – May 10 | May 10 – July 15 |
| Biddeford | Apr 15 – May 15 | May 10 – July 15 |
| Lewiston | Mar 15 – Apr 20 | July 1 – Aug 5 |
| Portland | Apr 10 – May 10 | June 1 – July 25 |
| Saco | Apr 10 – May 10 | June 1 – July 25 |
| Sanford | May 10 – June 15 | May 10 – July 15 |
| South Portland | Apr 10 – May 10 | June 1 – July 25 |
| Waterville | Apr 10 – May 10 | June 1 – July 25 |
| Westbrook | Apr 10 – May 10 | June 1 – July 25 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for cauliflower.