Dover Plains, NY frost dates
How Dover Plains compares
- In 8 years out of 10, the last spring frost in Dover Plains falls between April 21 and May 21, a 30-day window. The first fall frost falls between September 28 and October 24.
- The median last frost is 1 day later than the New York median of May 3.
- Its 156-day growing season is longer than 35% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 5 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 141 nights a year at or below 32°F.
- Compared with Danbury, CT, 43 km away, the last frost here is 14 days later than there and the growing season is 27 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 21 |
| 50% (median) | May 4 |
| 10% (safe for tender plants) | May 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 28 |
| 50% (median) | October 7 |
| 90% (late) | October 24 |
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 Dover Plains, NY
Dover Plains, NY frost dates — last frost May 4, first frost Oct 7, zone 6a. whenisthelastfrost.com
When to plant vegetables in Dover Plains, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 9 – Feb 23 | Apr 6 – Apr 20 | — | — |
| Peppers | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Eggplant | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Tomatoes | Mar 9 – Mar 23 | May 11 – May 25 | — | — |
| Lettuce | Mar 9 – Mar 23 | Apr 13 – Apr 27 | Apr 6 – May 11 | Aug 12 – Sep 9 |
| Kale | Mar 9 – Mar 23 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | Jul 29 – Aug 19 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 1 – Jul 22 |
| Cabbage | Mar 9 – Mar 23 | Apr 13 – Apr 27 | — | Jul 1 – Jul 22 |
| Cauliflower | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 1 – Jul 22 |
| Okra | Mar 23 – Apr 6 | May 25 – Jun 8 | May 25 – Jun 8 | — |
| Basil | Mar 23 – Apr 6 | May 11 – May 25 | — | — |
| Peas | — | — | Mar 23 – Apr 13 | Jul 15 – Aug 5 |
| Spinach | — | — | Mar 23 – Apr 13 | Aug 12 – Sep 2 |
| Radishes | — | — | Mar 30 – May 11 | Aug 26 – Sep 16 |
| Cucumbers | Apr 6 – Apr 13 | May 18 – May 25 | May 11 – May 25 | Jul 22 – Aug 5 |
| Zucchini & Summer Squash | Apr 6 – Apr 13 | — | May 11 – May 25 | Jul 29 – Aug 12 |
| Winter Squash & Pumpkins | Apr 6 – Apr 13 | — | May 11 – May 25 | — |
| Melons & Watermelon | Apr 6 – Apr 13 | May 18 – Jun 1 | — | — |
| Carrots | — | — | Apr 13 – May 11 | Jul 15 – Jul 29 |
| Beets | — | — | Apr 13 – May 11 | Jul 29 – Aug 12 |
| Potatoes | — | — | Apr 13 – May 4 | — |
| Swiss Chard | — | — | Apr 20 – May 18 | Jul 29 – Aug 12 |
| Cilantro | — | — | Apr 20 – May 11 | Aug 12 – Sep 2 |
| Green Beans | — | — | May 11 – Jun 1 | Jul 22 – Aug 5 |
| Sweet Corn | — | — | May 11 – May 25 | — |
| Sweet Potatoes | — | May 18 – Jun 8 | — | — |
| Garlic | — | — | — | Sep 23 – Oct 28 |
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 Millbrook 3 W, NY weather station, 14 km away (elevation 413 ft (126 m)).
Frost dates near Dover Plains
- Wassaic May 4 · Oct 7
- Wingdale Apr 21 · Oct 25
- Millbrook May 4 · Oct 7
- Verbank May 4 · Oct 7
- Amenia May 4 · Oct 7
- Poughquag Apr 21 · Oct 25
- Lagrangeville Apr 30 · Oct 14
- Billings Apr 30 · Oct 14
- Pawling Apr 21 · Oct 25
- Bangall May 4 · Oct 7
Frequently asked questions
When is the last frost in Dover Plains, NY?
The median last spring frost in Dover Plains, NY is May 4. There is still about a 10% chance of frost after May 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Dover Plains, NY?
The median first fall frost is October 7, with about a 10% chance of frost before September 28.
How long is the growing season in Dover Plains, NY?
About 156 days between the median last spring frost and first fall frost.
What planting zone is Dover Plains, NY?
Dover Plains, NY is in USDA hardiness zone 6a.