Limerick, ME frost dates
How Limerick compares
- In 8 years out of 10, the last spring frost in Limerick falls between May 3 and May 28, a 25-day window. The first fall frost falls between September 16 and October 12.
- The median last frost is 8 days later than the Maine median of May 6.
- Its 139-day growing season is longer than 14% of the 457 Maine places with a regular frost season (state median 154 days).
- The last frost is 11 days later than the zone 5a median of May 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5a chart.
- The weather station records an average of 184 nights a year at or below 32°F.
- Compared with Portland, ME, 43 km away, the last frost here is 18 days later than there and the growing season is 33 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 3 |
| 50% (median) | May 14 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 16 |
| 50% (median) | September 30 |
| 90% (late) | October 12 |
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 Limerick, ME
Limerick, ME frost dates — last frost May 14, first frost Sep 30, zone 5a. whenisthelastfrost.com
When to plant vegetables in Limerick, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 19 – Mar 5 | Apr 16 – Apr 30 | — | — |
| Peppers | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Eggplant | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Tomatoes | Mar 19 – Apr 2 | May 21 – Jun 4 | — | — |
| Lettuce | Mar 19 – Apr 2 | Apr 23 – May 7 | Apr 16 – May 21 | Aug 5 – Sep 2 |
| Kale | Mar 19 – Apr 2 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | Jul 22 – Aug 12 |
| Broccoli | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 24 – Jul 15 |
| Cabbage | Mar 19 – Apr 2 | Apr 23 – May 7 | — | Jun 24 – Jul 15 |
| Cauliflower | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 24 – Jul 15 |
| Okra | Apr 2 – Apr 16 | Jun 4 – Jun 18 | Jun 4 – Jun 18 | — |
| Basil | Apr 2 – Apr 16 | May 21 – Jun 4 | — | — |
| Peas | — | — | Apr 2 – Apr 23 | Jul 8 – Jul 29 |
| Spinach | — | — | Apr 2 – Apr 23 | Aug 5 – Aug 26 |
| Radishes | — | — | Apr 9 – May 21 | Aug 19 – Sep 9 |
| Cucumbers | Apr 16 – Apr 23 | May 28 – Jun 4 | May 21 – Jun 4 | Jul 15 – Jul 29 |
| Zucchini & Summer Squash | Apr 16 – Apr 23 | — | May 21 – Jun 4 | Jul 22 – Aug 5 |
| Winter Squash & Pumpkins | Apr 16 – Apr 23 | — | May 21 – Jun 4 | — |
| Melons & Watermelon | Apr 16 – Apr 23 | May 28 – Jun 11 | — | — |
| Carrots | — | — | Apr 23 – May 21 | Jul 8 – Jul 22 |
| Beets | — | — | Apr 23 – May 21 | Jul 22 – Aug 5 |
| Potatoes | — | — | Apr 23 – May 14 | — |
| Swiss Chard | — | — | Apr 30 – May 28 | Jul 22 – Aug 5 |
| Cilantro | — | — | Apr 30 – May 21 | Aug 5 – Aug 26 |
| Green Beans | — | — | May 21 – Jun 11 | Jul 15 – Jul 29 |
| Sweet Corn | — | — | May 21 – Jun 4 | — |
| Sweet Potatoes | — | May 28 – Jun 18 | — | — |
| Garlic | — | — | — | Sep 16 – Oct 21 |
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 Hollis, ME weather station, 10 km away (elevation 305 ft (93 m)).
Frost dates near Limerick
- East Parsonsfield May 14 · Sep 30
- North Waterboro May 14 · Sep 30
- Newfield May 14 · Sep 30
- Cornish May 12 · Oct 1
- Limington May 7 · Oct 4
- Parsonsfield May 12 · Oct 1
- East Waterboro May 14 · Sep 30
- West Newfield May 16 · Sep 30
- Steep Falls May 7 · Oct 4
- Shapleigh May 16 · Sep 30
Frequently asked questions
When is the last frost in Limerick, ME?
The median last spring frost in Limerick, ME is May 14. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Limerick, ME?
The median first fall frost is September 30, with about a 10% chance of frost before September 16.
How long is the growing season in Limerick, ME?
About 139 days between the median last spring frost and first fall frost.
What planting zone is Limerick, ME?
Limerick, ME is in USDA hardiness zone 5a.