Springvale, ME frost dates
How Springvale compares
- In 8 years out of 10, the last spring frost in Springvale falls between May 2 and May 29, a 27-day window. The first fall frost falls between September 18 and October 10.
- The median last frost is 10 days later than the Maine median of May 6.
- Its 137-day growing season is longer than 12% of the 457 Maine places with a regular frost season (state median 154 days).
- The last frost is 15 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 156 nights a year at or below 32°F.
- Compared with Portland, ME, 49 km away, the last frost here is 20 days later than there and the growing season is 35 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 2 |
| 50% (median) | May 16 |
| 10% (safe for tender plants) | May 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 18 |
| 50% (median) | September 30 |
| 90% (late) | October 10 |
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 Springvale, ME
Springvale, ME frost dates — last frost May 16, first frost Sep 30, zone 5b. whenisthelastfrost.com
When to plant vegetables in Springvale, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 21 – Mar 7 | Apr 18 – May 2 | — | — |
| Peppers | Mar 7 – Mar 21 | May 30 – Jun 13 | — | — |
| Eggplant | Mar 7 – Mar 21 | May 30 – Jun 13 | — | — |
| Tomatoes | Mar 21 – Apr 4 | May 23 – Jun 6 | — | — |
| Lettuce | Mar 21 – Apr 4 | Apr 25 – May 9 | Apr 18 – May 23 | Aug 5 – Sep 2 |
| Kale | Mar 21 – Apr 4 | Apr 18 – May 2 | Apr 18 – May 2 | Jul 22 – Aug 12 |
| Broccoli | Mar 21 – Apr 4 | May 2 – May 16 | — | Jun 24 – Jul 15 |
| Cabbage | Mar 21 – Apr 4 | Apr 25 – May 9 | — | Jun 24 – Jul 15 |
| Cauliflower | Mar 21 – Apr 4 | May 2 – May 16 | — | Jun 24 – Jul 15 |
| Okra | Apr 4 – Apr 18 | Jun 6 – Jun 20 | Jun 6 – Jun 20 | — |
| Basil | Apr 4 – Apr 18 | May 23 – Jun 6 | — | — |
| Peas | — | — | Apr 4 – Apr 25 | Jul 8 – Jul 29 |
| Spinach | — | — | Apr 4 – Apr 25 | Aug 5 – Aug 26 |
| Radishes | — | — | Apr 11 – May 23 | Aug 19 – Sep 9 |
| Cucumbers | Apr 18 – Apr 25 | May 30 – Jun 6 | May 23 – Jun 6 | Jul 15 – Jul 29 |
| Zucchini & Summer Squash | Apr 18 – Apr 25 | — | May 23 – Jun 6 | Jul 22 – Aug 5 |
| Winter Squash & Pumpkins | Apr 18 – Apr 25 | — | May 23 – Jun 6 | — |
| Melons & Watermelon | Apr 18 – Apr 25 | May 30 – Jun 13 | — | — |
| Carrots | — | — | Apr 25 – May 23 | Jul 8 – Jul 22 |
| Beets | — | — | Apr 25 – May 23 | Jul 22 – Aug 5 |
| Potatoes | — | — | Apr 25 – May 16 | — |
| Swiss Chard | — | — | May 2 – May 30 | Jul 22 – Aug 5 |
| Cilantro | — | — | May 2 – May 23 | Aug 5 – Aug 26 |
| Green Beans | — | — | May 23 – Jun 13 | Jul 15 – Jul 29 |
| Sweet Corn | — | — | May 23 – Jun 6 | — |
| Sweet Potatoes | — | May 30 – Jun 20 | — | — |
| 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 Sanford 2 Nnw, ME weather station, 3 km away (elevation 289 ft (88 m)).
Frost dates near Springvale
- Sanford May 16 · Sep 30
- Lebanon May 16 · Sep 30
- Alfred May 16 · Sep 30
- Shapleigh May 16 · Sep 30
- Waterboro May 14 · Sep 30
- Acton May 16 · Sep 30
- West Newfield May 16 · Sep 30
- East Waterboro May 14 · Sep 30
- North Berwick May 1 · Oct 14
- North Waterboro May 14 · Sep 30
Frequently asked questions
When is the last frost in Springvale, ME?
The median last spring frost in Springvale, ME is May 16. There is still about a 10% chance of frost after May 29, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Springvale, ME?
The median first fall frost is September 30, with about a 10% chance of frost before September 18.
How long is the growing season in Springvale, ME?
About 137 days between the median last spring frost and first fall frost.
What planting zone is Springvale, ME?
Springvale, ME is in USDA hardiness zone 5b.