Northpoint, PA frost dates
How Northpoint compares
- In 8 years out of 10, the last spring frost in Northpoint falls between April 24 and May 28, a 34-day window. The first fall frost falls between September 30 and October 27.
- The median last frost is 13 days later than the Pennsylvania median of Apr 27.
- Its 155-day growing season is longer than 14% of the 1,787 Pennsylvania places with a regular frost season (state median 175 days).
- The last frost is 11 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 152 nights a year at or below 32°F.
- Compared with Pittsburgh, PA, 90 km away, the last frost here is 16 days later than there and the growing season is 31 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 24 |
| 50% (median) | May 10 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 30 |
| 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 Northpoint, PA
Northpoint, PA frost dates — last frost May 10, first frost Oct 12, zone 6a. whenisthelastfrost.com
When to plant vegetables in Northpoint, PA
| 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 17 – Sep 14 |
| Kale | Mar 15 – Mar 29 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | Aug 3 – Aug 24 |
| Broccoli | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 15 – Mar 29 | Apr 19 – May 3 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 6 – Jul 27 |
| 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 20 – Aug 10 |
| Spinach | — | — | Mar 29 – Apr 19 | Aug 17 – Sep 7 |
| Radishes | — | — | Apr 5 – May 17 | Aug 31 – Sep 21 |
| Cucumbers | Apr 12 – Apr 19 | May 24 – May 31 | May 17 – May 31 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 12 – Apr 19 | — | May 17 – May 31 | Aug 3 – Aug 17 |
| 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 20 – Aug 3 |
| Beets | — | — | Apr 19 – May 17 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 19 – May 10 | — |
| Swiss Chard | — | — | Apr 26 – May 24 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 26 – May 17 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 17 – Jun 7 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 17 – May 31 | — |
| Sweet Potatoes | — | May 24 – Jun 14 | — | — |
| 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 Putneyville 2 Se Dam, PA weather station, 13 km away (elevation 1,280 ft (390 m)).
Frost dates near Northpoint
- Hamilton May 10 · Oct 12
- Valier May 10 · Oct 12
- Smicksburg May 10 · Oct 12
- Timblin May 10 · Oct 12
- Marchand May 10 · Oct 12
- Ringgold May 10 · Oct 12
- Sprankle Mills May 10 · Oct 12
- Dayton May 10 · Oct 12
- Oliveburg May 10 · Oct 12
- Walston May 10 · Oct 12
Frequently asked questions
When is the last frost in Northpoint, PA?
The median last spring frost in Northpoint, PA is May 10. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Northpoint, PA?
The median first fall frost is October 12, with about a 10% chance of frost before September 30.
How long is the growing season in Northpoint, PA?
About 155 days between the median last spring frost and first fall frost.
What planting zone is Northpoint, PA?
Northpoint, PA is in USDA hardiness zone 6a.