Vinalhaven, ME frost dates
How Vinalhaven compares
- In 8 years out of 10, the last spring frost in Vinalhaven falls between April 17 and May 9, a 22-day window. The first fall frost falls between October 5 and November 3.
- The median last frost is 9 days earlier than the Maine median of May 6.
- Its 175-day growing season is longer than 84% of the 457 Maine places with a regular frost season (state median 154 days).
- The last frost is 5 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 148 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | April 27 |
| 10% (safe for tender plants) | May 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 19 |
| 90% (late) | November 3 |
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 Vinalhaven, ME
Vinalhaven, ME frost dates — last frost Apr 27, first frost Oct 19, zone 6b. whenisthelastfrost.com
When to plant vegetables in Vinalhaven, ME
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 2 – Feb 16 | Mar 30 – Apr 13 | — | — |
| Peppers | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Eggplant | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Tomatoes | Mar 2 – Mar 16 | May 4 – May 18 | — | — |
| Lettuce | Mar 2 – Mar 16 | Apr 6 – Apr 20 | Mar 30 – May 4 | Aug 24 – Sep 21 |
| Kale | Mar 2 – Mar 16 | Mar 30 – Apr 13 | Mar 30 – Apr 13 | Aug 10 – Aug 31 |
| Broccoli | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 13 – Aug 3 |
| Cabbage | Mar 2 – Mar 16 | Apr 6 – Apr 20 | — | Jul 13 – Aug 3 |
| Cauliflower | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 13 – Aug 3 |
| Okra | Mar 16 – Mar 30 | May 18 – Jun 1 | May 18 – Jun 1 | — |
| Basil | Mar 16 – Mar 30 | May 4 – May 18 | — | — |
| Peas | — | — | Mar 16 – Apr 6 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 16 – Apr 6 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 23 – May 4 | Sep 7 – Sep 28 |
| Cucumbers | Mar 30 – Apr 6 | May 11 – May 18 | May 4 – May 18 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 30 – Apr 6 | — | May 4 – May 18 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 30 – Apr 6 | — | May 4 – May 18 | — |
| Melons & Watermelon | Mar 30 – Apr 6 | May 11 – May 25 | — | — |
| Carrots | — | — | Apr 6 – May 4 | Jul 27 – Aug 10 |
| Beets | — | — | Apr 6 – May 4 | Aug 10 – Aug 24 |
| Potatoes | — | — | Apr 6 – Apr 27 | — |
| Swiss Chard | — | — | Apr 13 – May 11 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 13 – May 4 | Aug 24 – Sep 14 |
| Green Beans | — | — | May 4 – May 25 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | May 4 – May 18 | — |
| Sweet Potatoes | — | May 11 – Jun 1 | — | — |
| Garlic | — | — | — | Oct 5 – Nov 9 |
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 W Rockport 1 Nnw, ME weather station, 30 km away (elevation 361 ft (110 m)).
Frost dates near Vinalhaven
- North Haven Apr 27 · Oct 19
- Isle Au Haut Apr 27 · Oct 19
- Stonington May 7 · Oct 5
- Matinicus Apr 27 · Oct 25
- Owls Head Apr 27 · Oct 25
- Sunset May 7 · Oct 5
- Rockland Apr 27 · Oct 19
- South Thomaston Apr 27 · Oct 25
- Rockport Apr 27 · Oct 19
- Deer Isle May 8 · Oct 9
Frequently asked questions
When is the last frost in Vinalhaven, ME?
The median last spring frost in Vinalhaven, ME is April 27. There is still about a 10% chance of frost after May 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Vinalhaven, ME?
The median first fall frost is October 19, with about a 10% chance of frost before October 5.
How long is the growing season in Vinalhaven, ME?
About 175 days between the median last spring frost and first fall frost.
What planting zone is Vinalhaven, ME?
Vinalhaven, ME is in USDA hardiness zone 6b.