Stratton, ME frost dates
Last spring frostMay 24median date
First fall frostSep 21median date
Growing season120 daysfrost-free
Hardiness zone4bZone 4b
How Stratton compares
- In 8 years out of 10, the last spring frost in Stratton falls between May 8 and June 6, a 29-day window. The first fall frost falls between September 6 and October 4.
- The median last frost is 18 days later than the Maine median of May 6.
- Its 120-day growing season is among the shortest of the 457 Maine places with a regular frost season.
- The last frost is 16 days later than the zone 4b median of May 8. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4b chart.
- The weather station records an average of 201 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 8 |
| 50% (median) | May 24 |
| 10% (safe for tender plants) | June 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 6 |
| 50% (median) | September 21 |
| 90% (late) | October 4 |
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 Stratton, ME
Stratton, ME frost dates — last frost May 24, first frost Sep 21, zone 4b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 1 to Mar 15Transplant outside: Apr 26 to May 10
Start indoors: Mar 15 to Mar 29Transplant outside: Jun 7 to Jun 21
Start indoors: Mar 15 to Mar 29Transplant outside: Jun 7 to Jun 21
Start indoors: Mar 29 to Apr 12Transplant outside: May 31 to Jun 14
Start indoors: Mar 29 to Apr 12Transplant outside: May 3 to May 17Sow outdoors: Apr 26 to May 31Plant for fall: Jul 27 to Aug 24
Start indoors: Mar 29 to Apr 12Transplant outside: Apr 26 to May 10Sow outdoors: Apr 26 to May 10Plant for fall: Jul 13 to Aug 3
Start indoors: Mar 29 to Apr 12Transplant outside: May 10 to May 24Plant for fall: Jun 15 to Jul 6
Start indoors: Mar 29 to Apr 12Transplant outside: May 3 to May 17Plant for fall: Jun 15 to Jul 6
Start indoors: Mar 29 to Apr 12Transplant outside: May 10 to May 24Plant for fall: Jun 15 to Jul 6
Start indoors: Apr 12 to Apr 26Transplant outside: Jun 14 to Jun 28Sow outdoors: Jun 14 to Jun 28
Start indoors: Apr 12 to Apr 26Transplant outside: May 31 to Jun 14
Sow outdoors: Apr 12 to May 3Plant for fall: Jun 29 to Jul 20
Sow outdoors: Apr 12 to May 3Plant for fall: Jul 27 to Aug 17
Sow outdoors: Apr 19 to May 31Plant for fall: Aug 10 to Aug 31
Start indoors: Apr 26 to May 3Transplant outside: Jun 7 to Jun 14Sow outdoors: May 31 to Jun 14Plant for fall: Jul 6 to Jul 20
Start indoors: Apr 26 to May 3Sow outdoors: May 31 to Jun 14Plant for fall: Jul 13 to Jul 27
Start indoors: Apr 26 to May 3Sow outdoors: May 31 to Jun 14
Start indoors: Apr 26 to May 3Transplant outside: Jun 7 to Jun 21
Sow outdoors: May 3 to May 31Plant for fall: Jun 29 to Jul 13
Sow outdoors: May 3 to May 31Plant for fall: Jul 13 to Jul 27
Sow outdoors: May 3 to May 24
Sow outdoors: May 10 to Jun 7Plant for fall: Jul 13 to Jul 27
Sow outdoors: May 10 to May 31Plant for fall: Jul 27 to Aug 17
Sow outdoors: May 31 to Jun 21Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 31 to Jun 14
Transplant outside: Jun 7 to Jun 28
Plant for fall: Sep 7 to Oct 12
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Stratton, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 1 – Mar 15 | Apr 26 – May 10 | — | — |
| Peppers | Mar 15 – Mar 29 | Jun 7 – Jun 21 | — | — |
| Eggplant | Mar 15 – Mar 29 | Jun 7 – Jun 21 | — | — |
| Tomatoes | Mar 29 – Apr 12 | May 31 – Jun 14 | — | — |
| Lettuce | Mar 29 – Apr 12 | May 3 – May 17 | Apr 26 – May 31 | Jul 27 – Aug 24 |
| Kale | Mar 29 – Apr 12 | Apr 26 – May 10 | Apr 26 – May 10 | Jul 13 – Aug 3 |
| Broccoli | Mar 29 – Apr 12 | May 10 – May 24 | — | Jun 15 – Jul 6 |
| Cabbage | Mar 29 – Apr 12 | May 3 – May 17 | — | Jun 15 – Jul 6 |
| Cauliflower | Mar 29 – Apr 12 | May 10 – May 24 | — | Jun 15 – Jul 6 |
| Okra | Apr 12 – Apr 26 | Jun 14 – Jun 28 | Jun 14 – Jun 28 | — |
| Basil | Apr 12 – Apr 26 | May 31 – Jun 14 | — | — |
| Peas | — | — | Apr 12 – May 3 | Jun 29 – Jul 20 |
| Spinach | — | — | Apr 12 – May 3 | Jul 27 – Aug 17 |
| Radishes | — | — | Apr 19 – May 31 | Aug 10 – Aug 31 |
| Cucumbers | Apr 26 – May 3 | Jun 7 – Jun 14 | May 31 – Jun 14 | Jul 6 – Jul 20 |
| Zucchini & Summer Squash | Apr 26 – May 3 | — | May 31 – Jun 14 | Jul 13 – Jul 27 |
| Winter Squash & Pumpkins | Apr 26 – May 3 | — | May 31 – Jun 14 | — |
| Melons & Watermelon | Apr 26 – May 3 | Jun 7 – Jun 21 | — | — |
| Carrots | — | — | May 3 – May 31 | Jun 29 – Jul 13 |
| Beets | — | — | May 3 – May 31 | Jul 13 – Jul 27 |
| Potatoes | — | — | May 3 – May 24 | — |
| Swiss Chard | — | — | May 10 – Jun 7 | Jul 13 – Jul 27 |
| Cilantro | — | — | May 10 – May 31 | Jul 27 – Aug 17 |
| Green Beans | — | — | May 31 – Jun 21 | Jul 6 – Jul 20 |
| Sweet Corn | — | — | May 31 – Jun 14 | — |
| Sweet Potatoes | — | Jun 7 – Jun 28 | — | — |
| Garlic | — | — | — | Sep 7 – Oct 12 |
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 Eustis, ME weather station, 12 km away (elevation 1,260 ft (384 m)).
Frost dates near Stratton
- Kingfield May 13 · Sep 30
- Rangeley May 23 · Sep 27
- Eustis May 24 · Sep 21
- Phillips May 16 · Sep 26
- Oquossoc May 23 · Sep 24
- Strong May 16 · Sep 26
- New Portland May 8 · Oct 5
- Caratunk May 13 · Sep 30
- New Vineyard May 16 · Sep 26
- Bingham May 13 · Sep 30
Frequently asked questions
When is the last frost in Stratton, ME?
The median last spring frost in Stratton, ME is May 24. There is still about a 10% chance of frost after June 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Stratton, ME?
The median first fall frost is September 21, with about a 10% chance of frost before September 6.
How long is the growing season in Stratton, ME?
About 120 days between the median last spring frost and first fall frost.
What planting zone is Stratton, ME?
Stratton, ME is in USDA hardiness zone 4b.