Norway, ME frost dates
How Norway compares
- In 8 years out of 10, the last spring frost in Norway falls between April 27 and May 19, a 22-day window. The first fall frost falls between September 20 and October 19.
- The median last frost is the same as the Maine median of May 6.
- Its 149-day growing season is longer than 34% of the 457 Maine places with a regular frost season (state median 154 days).
- The last frost is typical for zone 5a, where the median is May 3.
- The weather station records an average of 167 nights a year at or below 32°F.
- Compared with Portland, ME, 65 km away, the last frost here is 10 days later than there and the growing season is 23 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 27 |
| 50% (median) | May 6 |
| 10% (safe for tender plants) | May 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 20 |
| 50% (median) | October 2 |
| 90% (late) | October 19 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Norway, ME
Norway, ME frost dates — last frost May 6, first frost Oct 2, zone 5a. whenisthelastfrost.com
When to plant vegetables in Norway, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 11 – Feb 25 | Apr 8 – Apr 22 | — | — |
| Peppers | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Eggplant | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Tomatoes | Mar 11 – Mar 25 | May 13 – May 27 | — | — |
| Lettuce | Mar 11 – Mar 25 | Apr 15 – Apr 29 | Apr 8 – May 13 | Aug 7 – Sep 4 |
| Kale | Mar 11 – Mar 25 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | Jul 24 – Aug 14 |
| Broccoli | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jun 26 – Jul 17 |
| Cabbage | Mar 11 – Mar 25 | Apr 15 – Apr 29 | — | Jun 26 – Jul 17 |
| Cauliflower | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jun 26 – Jul 17 |
| Okra | Mar 25 – Apr 8 | May 27 – Jun 10 | May 27 – Jun 10 | — |
| Basil | Mar 25 – Apr 8 | May 13 – May 27 | — | — |
| Peas | — | — | Mar 25 – Apr 15 | Jul 10 – Jul 31 |
| Spinach | — | — | Mar 25 – Apr 15 | Aug 7 – Aug 28 |
| Radishes | — | — | Apr 1 – May 13 | Aug 21 – Sep 11 |
| Cucumbers | Apr 8 – Apr 15 | May 20 – May 27 | May 13 – May 27 | Jul 17 – Jul 31 |
| Zucchini & Summer Squash | Apr 8 – Apr 15 | — | May 13 – May 27 | Jul 24 – Aug 7 |
| Winter Squash & Pumpkins | Apr 8 – Apr 15 | — | May 13 – May 27 | — |
| Melons & Watermelon | Apr 8 – Apr 15 | May 20 – Jun 3 | — | — |
| Carrots | — | — | Apr 15 – May 13 | Jul 10 – Jul 24 |
| Beets | — | — | Apr 15 – May 13 | Jul 24 – Aug 7 |
| Potatoes | — | — | Apr 15 – May 6 | — |
| Swiss Chard | — | — | Apr 22 – May 20 | Jul 24 – Aug 7 |
| Cilantro | — | — | Apr 22 – May 13 | Aug 7 – Aug 28 |
| Green Beans | — | — | May 13 – Jun 3 | Jul 17 – Jul 31 |
| Sweet Corn | — | — | May 13 – May 27 | — |
| Sweet Potatoes | — | May 20 – Jun 10 | — | — |
| Garlic | — | — | — | Sep 18 – Oct 23 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Bethel 6 Sse, ME weather station, 20 km away (elevation 791 ft (241 m)).
Frost dates near Norway
- South Paris May 1 · Oct 10
- Paris May 6 · Oct 3
- Oxford May 3 · Oct 7
- West Paris May 6 · Oct 2
- Waterford May 5 · Oct 5
- Greenwood May 6 · Oct 2
- Harrison May 5 · Oct 5
- Hebron May 1 · Oct 10
- West Minot Apr 25 · Oct 19
- North Waterford May 6 · Oct 2
Frequently asked questions
When is the last frost in Norway, ME?
The median last spring frost in Norway, ME is May 6. There is still about a 10% chance of frost after May 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Norway, ME?
The median first fall frost is October 2, with about a 10% chance of frost before September 20.
How long is the growing season in Norway, ME?
About 149 days between the median last spring frost and first fall frost.
What planting zone is Norway, ME?
Norway, ME is in USDA hardiness zone 5a.