Cumberland Foreside, ME frost dates
How Cumberland Foreside compares
- In 8 years out of 10, the last spring frost in Cumberland Foreside falls between April 16 and May 7, a 21-day window. The first fall frost falls between October 2 and October 30.
- The median last frost is 10 days earlier than the Maine median of May 6.
- Its 172-day growing season is longer than 74% of the 457 Maine places with a regular frost season (state median 154 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 144 nights a year at or below 32°F.
- Cumberland Foreside shares its weather station with Portland, ME, 11 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 16 |
| 50% (median) | April 26 |
| 10% (safe for tender plants) | May 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 15 |
| 90% (late) | October 30 |
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 Cumberland Foreside, ME
Cumberland Foreside, ME frost dates — last frost Apr 26, first frost Oct 15, zone 6a. whenisthelastfrost.com
When to plant vegetables in Cumberland Foreside, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 1 – Feb 15 | Mar 29 – Apr 12 | — | — |
| Peppers | Feb 15 – Mar 1 | May 10 – May 24 | — | — |
| Eggplant | Feb 15 – Mar 1 | May 10 – May 24 | — | — |
| Tomatoes | Mar 1 – Mar 15 | May 3 – May 17 | — | — |
| Lettuce | Mar 1 – Mar 15 | Apr 5 – Apr 19 | Mar 29 – May 3 | Aug 20 – Sep 17 |
| Kale | Mar 1 – Mar 15 | Mar 29 – Apr 12 | Mar 29 – Apr 12 | Aug 6 – Aug 27 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 9 – Jul 30 |
| Cabbage | Mar 1 – Mar 15 | Apr 5 – Apr 19 | — | Jul 9 – Jul 30 |
| Cauliflower | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 9 – Jul 30 |
| Okra | Mar 15 – Mar 29 | May 17 – May 31 | May 17 – May 31 | — |
| Basil | Mar 15 – Mar 29 | May 3 – May 17 | — | — |
| Peas | — | — | Mar 15 – Apr 5 | Jul 23 – Aug 13 |
| Spinach | — | — | Mar 15 – Apr 5 | Aug 20 – Sep 10 |
| Radishes | — | — | Mar 22 – May 3 | Sep 3 – Sep 24 |
| Cucumbers | Mar 29 – Apr 5 | May 10 – May 17 | May 3 – May 17 | Jul 30 – Aug 13 |
| Zucchini & Summer Squash | Mar 29 – Apr 5 | — | May 3 – May 17 | Aug 6 – Aug 20 |
| Winter Squash & Pumpkins | Mar 29 – Apr 5 | — | May 3 – May 17 | — |
| Melons & Watermelon | Mar 29 – Apr 5 | May 10 – May 24 | — | — |
| Carrots | — | — | Apr 5 – May 3 | Jul 23 – Aug 6 |
| Beets | — | — | Apr 5 – May 3 | Aug 6 – Aug 20 |
| Potatoes | — | — | Apr 5 – Apr 26 | — |
| Swiss Chard | — | — | Apr 12 – May 10 | Aug 6 – Aug 20 |
| Cilantro | — | — | Apr 12 – May 3 | Aug 20 – Sep 10 |
| Green Beans | — | — | May 3 – May 24 | Jul 30 – Aug 13 |
| Sweet Corn | — | — | May 3 – May 17 | — |
| Sweet Potatoes | — | May 10 – May 31 | — | — |
| Garlic | — | — | — | Oct 1 – Nov 5 |
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 Portland Intl Jetport, ME weather station, 15 km away (elevation 46 ft (14 m)).
Frost dates near Cumberland Foreside
- Yarmouth Apr 28 · Oct 19
- Falmouth Apr 26 · Oct 15
- Cumberland Center Apr 28 · Oct 19
- Chebeague Island Apr 26 · Oct 15
- Long Island Apr 26 · Oct 15
- North Yarmouth Apr 28 · Oct 19
- South Freeport Apr 28 · Oct 19
- Cliff Island Apr 26 · Oct 15
- Peaks Island Apr 26 · Oct 15
- Bustins Island May 2 · Oct 10
Frequently asked questions
When is the last frost in Cumberland Foreside, ME?
The median last spring frost in Cumberland Foreside, ME is April 26. There is still about a 10% chance of frost after May 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cumberland Foreside, ME?
The median first fall frost is October 15, with about a 10% chance of frost before October 2.
How long is the growing season in Cumberland Foreside, ME?
About 172 days between the median last spring frost and first fall frost.
What planting zone is Cumberland Foreside, ME?
Cumberland Foreside, ME is in USDA hardiness zone 6a.