Belleville, NY frost dates
Last spring frostMay 10median date
First fall frostOct 14median date
Growing season157 daysfrost-free
Hardiness zone5bZone 5b
How Belleville compares
- In 8 years out of 10, the last spring frost in Belleville falls between April 25 and May 26, a 31-day window. The first fall frost falls between September 29 and November 2.
- The median last frost is 7 days later than the New York median of May 3.
- Its 157-day growing season is longer than 38% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 9 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 158 nights a year at or below 32°F.
- Compared with Clay, NY, 67 km away, the last frost here is 6 days later than there and the growing season is 3 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 25 |
| 50% (median) | May 10 |
| 10% (safe for tender plants) | May 26 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 29 |
| 50% (median) | October 14 |
| 90% (late) | November 2 |
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 Belleville, NY
Belleville, NY frost dates — last frost May 10, first frost Oct 14, zone 5b. whenisthelastfrost.com
Crop
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Start indoors: Feb 15 to Mar 1Transplant outside: Apr 12 to Apr 26
Start indoors: Mar 1 to Mar 15Transplant outside: May 24 to Jun 7
Start indoors: Mar 1 to Mar 15Transplant outside: May 24 to Jun 7
Start indoors: Mar 15 to Mar 29Transplant outside: May 17 to May 31
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 19 to May 3Sow outdoors: Apr 12 to May 17Plant for fall: Aug 19 to Sep 16
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 12 to Apr 26Sow outdoors: Apr 12 to Apr 26Plant for fall: Aug 5 to Aug 26
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 26 to May 10Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 19 to May 3Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 26 to May 10Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 29 to Apr 12Transplant outside: May 31 to Jun 14Sow outdoors: May 31 to Jun 14
Start indoors: Mar 29 to Apr 12Transplant outside: May 17 to May 31
Sow outdoors: Mar 29 to Apr 19Plant for fall: Jul 22 to Aug 12
Sow outdoors: Mar 29 to Apr 19Plant for fall: Aug 19 to Sep 9
Sow outdoors: Apr 5 to May 17Plant for fall: Sep 2 to Sep 23
Start indoors: Apr 12 to Apr 19Transplant outside: May 24 to May 31Sow outdoors: May 17 to May 31Plant for fall: Jul 29 to Aug 12
Start indoors: Apr 12 to Apr 19Sow outdoors: May 17 to May 31Plant for fall: Aug 5 to Aug 19
Start indoors: Apr 12 to Apr 19Sow outdoors: May 17 to May 31
Start indoors: Apr 12 to Apr 19Transplant outside: May 24 to Jun 7
Sow outdoors: Apr 19 to May 17Plant for fall: Jul 22 to Aug 5
Sow outdoors: Apr 19 to May 17Plant for fall: Aug 5 to Aug 19
Sow outdoors: Apr 19 to May 10
Sow outdoors: Apr 26 to May 24Plant for fall: Aug 5 to Aug 19
Sow outdoors: Apr 26 to May 17Plant for fall: Aug 19 to Sep 9
Sow outdoors: May 17 to Jun 7Plant for fall: Jul 29 to Aug 12
Sow outdoors: May 17 to May 31
Transplant outside: May 24 to Jun 14
Plant for fall: Sep 30 to Nov 4
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Belleville, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 15 – Mar 1 | Apr 12 – Apr 26 | — | — |
| Peppers | Mar 1 – Mar 15 | May 24 – Jun 7 | — | — |
| Eggplant | Mar 1 – Mar 15 | May 24 – Jun 7 | — | — |
| Tomatoes | Mar 15 – Mar 29 | May 17 – May 31 | — | — |
| Lettuce | Mar 15 – Mar 29 | Apr 19 – May 3 | Apr 12 – May 17 | Aug 19 – Sep 16 |
| Kale | Mar 15 – Mar 29 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | Aug 5 – Aug 26 |
| Broccoli | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 8 – Jul 29 |
| Cabbage | Mar 15 – Mar 29 | Apr 19 – May 3 | — | Jul 8 – Jul 29 |
| Cauliflower | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 8 – Jul 29 |
| Okra | Mar 29 – Apr 12 | May 31 – Jun 14 | May 31 – Jun 14 | — |
| Basil | Mar 29 – Apr 12 | May 17 – May 31 | — | — |
| Peas | — | — | Mar 29 – Apr 19 | Jul 22 – Aug 12 |
| Spinach | — | — | Mar 29 – Apr 19 | Aug 19 – Sep 9 |
| Radishes | — | — | Apr 5 – May 17 | Sep 2 – Sep 23 |
| Cucumbers | Apr 12 – Apr 19 | May 24 – May 31 | May 17 – May 31 | Jul 29 – Aug 12 |
| Zucchini & Summer Squash | Apr 12 – Apr 19 | — | May 17 – May 31 | Aug 5 – Aug 19 |
| Winter Squash & Pumpkins | Apr 12 – Apr 19 | — | May 17 – May 31 | — |
| Melons & Watermelon | Apr 12 – Apr 19 | May 24 – Jun 7 | — | — |
| Carrots | — | — | Apr 19 – May 17 | Jul 22 – Aug 5 |
| Beets | — | — | Apr 19 – May 17 | Aug 5 – Aug 19 |
| Potatoes | — | — | Apr 19 – May 10 | — |
| Swiss Chard | — | — | Apr 26 – May 24 | Aug 5 – Aug 19 |
| Cilantro | — | — | Apr 26 – May 17 | Aug 19 – Sep 9 |
| Green Beans | — | — | May 17 – Jun 7 | Jul 29 – Aug 12 |
| Sweet Corn | — | — | May 17 – May 31 | — |
| Sweet Potatoes | — | May 24 – Jun 14 | — | — |
| Garlic | — | — | — | Sep 30 – Nov 4 |
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 Pulaski, NY weather station, 23 km away (elevation 400 ft (122 m)).
Frost dates near Belleville
- Ellisburg May 10 · Oct 14
- Adams May 11 · Oct 1
- Mannsville May 10 · Oct 14
- Pierrepont Manor May 10 · Oct 14
- Henderson Harbor May 11 · Oct 1
- Henderson May 11 · Oct 1
- Adams Center May 11 · Oct 1
- Sandy Creek May 10 · Oct 14
- Lacona May 10 · Oct 14
- Lorraine May 2 · Oct 13
Frequently asked questions
When is the last frost in Belleville, NY?
The median last spring frost in Belleville, NY is May 10. There is still about a 10% chance of frost after May 26, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Belleville, NY?
The median first fall frost is October 14, with about a 10% chance of frost before September 29.
How long is the growing season in Belleville, NY?
About 157 days between the median last spring frost and first fall frost.
What planting zone is Belleville, NY?
Belleville, NY is in USDA hardiness zone 5b.