Bear Lake, PA frost dates
How Bear Lake compares
- In 8 years out of 10, the last spring frost in Bear Lake falls between May 6 and June 5, a 30-day window. The first fall frost falls between September 16 and October 12.
- The median last frost is 25 days later than the Pennsylvania median of Apr 27.
- Its 131-day growing season is among the shortest of the 1,787 Pennsylvania places with a regular frost season.
- The last frost is 21 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 173 nights a year at or below 32°F.
- Compared with Erie, PA, 54 km away, the last frost here is 26 days later than there and the growing season is 61 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 6 |
| 50% (median) | May 22 |
| 10% (safe for tender plants) | June 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 16 |
| 50% (median) | September 30 |
| 90% (late) | October 12 |
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 Bear Lake, PA
Bear Lake, PA frost dates — last frost May 22, first frost Sep 30, zone 5b. whenisthelastfrost.com
When to plant vegetables in Bear Lake, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 27 – Mar 13 | Apr 24 – May 8 | — | — |
| Peppers | Mar 13 – Mar 27 | Jun 5 – Jun 19 | — | — |
| Eggplant | Mar 13 – Mar 27 | Jun 5 – Jun 19 | — | — |
| Tomatoes | Mar 27 – Apr 10 | May 29 – Jun 12 | — | — |
| Lettuce | Mar 27 – Apr 10 | May 1 – May 15 | Apr 24 – May 29 | Aug 5 – Sep 2 |
| Kale | Mar 27 – Apr 10 | Apr 24 – May 8 | Apr 24 – May 8 | Jul 22 – Aug 12 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 22 | — | Jun 24 – Jul 15 |
| Cabbage | Mar 27 – Apr 10 | May 1 – May 15 | — | Jun 24 – Jul 15 |
| Cauliflower | Mar 27 – Apr 10 | May 8 – May 22 | — | Jun 24 – Jul 15 |
| Okra | Apr 10 – Apr 24 | Jun 12 – Jun 26 | Jun 12 – Jun 26 | — |
| Basil | Apr 10 – Apr 24 | May 29 – Jun 12 | — | — |
| Peas | — | — | Apr 10 – May 1 | Jul 8 – Jul 29 |
| Spinach | — | — | Apr 10 – May 1 | Aug 5 – Aug 26 |
| Radishes | — | — | Apr 17 – May 29 | Aug 19 – Sep 9 |
| Cucumbers | Apr 24 – May 1 | Jun 5 – Jun 12 | May 29 – Jun 12 | Jul 15 – Jul 29 |
| Zucchini & Summer Squash | Apr 24 – May 1 | — | May 29 – Jun 12 | Jul 22 – Aug 5 |
| Winter Squash & Pumpkins | Apr 24 – May 1 | — | May 29 – Jun 12 | — |
| Melons & Watermelon | Apr 24 – May 1 | Jun 5 – Jun 19 | — | — |
| Carrots | — | — | May 1 – May 29 | Jul 8 – Jul 22 |
| Beets | — | — | May 1 – May 29 | Jul 22 – Aug 5 |
| Potatoes | — | — | May 1 – May 22 | — |
| Swiss Chard | — | — | May 8 – Jun 5 | Jul 22 – Aug 5 |
| Cilantro | — | — | May 8 – May 29 | Aug 5 – Aug 26 |
| Green Beans | — | — | May 29 – Jun 19 | Jul 15 – Jul 29 |
| Sweet Corn | — | — | May 29 – Jun 12 | — |
| Sweet Potatoes | — | Jun 5 – Jun 26 | — | — |
| Garlic | — | — | — | Sep 16 – Oct 21 |
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 Chandlers Valley 1se, PA weather station, 14 km away (elevation 1,490 ft (454 m)).
Frost dates near Bear Lake
- Spring Creek May 22 · Sep 30
- Columbus May 22 · Sep 30
- Sugar Grove May 22 · Sep 30
- Chandlers Valley May 22 · Sep 30
- Pittsfield May 22 · Sep 30
- Garland May 22 · Sep 30
- Corry May 7 · Oct 10
- Youngsville May 22 · Sep 30
- Irvine May 4 · Oct 21
- Elgin May 7 · Oct 10
Frequently asked questions
When is the last frost in Bear Lake, PA?
The median last spring frost in Bear Lake, PA is May 22. There is still about a 10% chance of frost after June 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bear Lake, PA?
The median first fall frost is September 30, with about a 10% chance of frost before September 16.
How long is the growing season in Bear Lake, PA?
About 131 days between the median last spring frost and first fall frost.
What planting zone is Bear Lake, PA?
Bear Lake, PA is in USDA hardiness zone 5b.