South Bethlehem, NY frost dates
How South Bethlehem compares
- In 8 years out of 10, the last spring frost in South Bethlehem falls between April 20 and May 18, a 28-day window. The first fall frost falls between October 1 and October 27.
- The median last frost is the same as the New York median of May 3.
- Its 162-day growing season is longer than 47% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 4 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 156 nights a year at or below 32°F.
- Compared with Albany, NY, 16 km away, the last frost here is 6 days later than there and the growing season is 9 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 20 |
| 50% (median) | May 3 |
| 10% (safe for tender plants) | May 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 1 |
| 50% (median) | October 12 |
| 90% (late) | October 27 |
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 South Bethlehem, NY
South Bethlehem, NY frost dates — last frost May 3, first frost Oct 12, zone 6a. whenisthelastfrost.com
When to plant vegetables in South Bethlehem, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 8 – Feb 22 | Apr 5 – Apr 19 | — | — |
| Peppers | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Eggplant | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Tomatoes | Mar 8 – Mar 22 | May 10 – May 24 | — | — |
| Lettuce | Mar 8 – Mar 22 | Apr 12 – Apr 26 | Apr 5 – May 10 | Aug 17 – Sep 14 |
| Kale | Mar 8 – Mar 22 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | Aug 3 – Aug 24 |
| Broccoli | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 8 – Mar 22 | Apr 12 – Apr 26 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jul 6 – Jul 27 |
| Okra | Mar 22 – Apr 5 | May 24 – Jun 7 | May 24 – Jun 7 | — |
| Basil | Mar 22 – Apr 5 | May 10 – May 24 | — | — |
| Peas | — | — | Mar 22 – Apr 12 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 22 – Apr 12 | Aug 17 – Sep 7 |
| Radishes | — | — | Mar 29 – May 10 | Aug 31 – Sep 21 |
| Cucumbers | Apr 5 – Apr 12 | May 17 – May 24 | May 10 – May 24 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 5 – Apr 12 | — | May 10 – May 24 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 5 – Apr 12 | — | May 10 – May 24 | — |
| Melons & Watermelon | Apr 5 – Apr 12 | May 17 – May 31 | — | — |
| Carrots | — | — | Apr 12 – May 10 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 12 – May 10 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 12 – May 3 | — |
| Swiss Chard | — | — | Apr 19 – May 17 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 19 – May 10 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 10 – May 31 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 10 – May 24 | — |
| Sweet Potatoes | — | May 17 – Jun 7 | — | — |
| Garlic | — | — | — | Sep 28 – Nov 2 |
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 Alcove Dam, NY weather station, 10 km away (elevation 607 ft (185 m)).
Frost dates near South Bethlehem
- Selkirk May 3 · Oct 12
- Ravena May 3 · Oct 12
- Feura Bush May 3 · Oct 12
- Coeymans Apr 27 · Oct 14
- Coeymans Hollow May 3 · Oct 12
- Glenmont Apr 27 · Oct 15
- Delmar Apr 27 · Oct 15
- Schodack Landing Apr 27 · Oct 14
- Alcove May 3 · Oct 12
- Clarksville May 3 · Oct 12
Frequently asked questions
When is the last frost in South Bethlehem, NY?
The median last spring frost in South Bethlehem, NY is May 3. There is still about a 10% chance of frost after May 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in South Bethlehem, NY?
The median first fall frost is October 12, with about a 10% chance of frost before October 1.
How long is the growing season in South Bethlehem, NY?
About 162 days between the median last spring frost and first fall frost.
What planting zone is South Bethlehem, NY?
South Bethlehem, NY is in USDA hardiness zone 6a.