Upper Black Eddy, PA frost dates
Last spring frostApr 29median date
First fall frostOct 16median date
Growing season170 daysfrost-free
Hardiness zone6bZone 6b
How Upper Black Eddy compares
- In 8 years out of 10, the last spring frost in Upper Black Eddy falls between April 16 and May 15, a 29-day window. The first fall frost falls between October 4 and November 1.
- The median last frost is 2 days later than the Pennsylvania median of Apr 27.
- Its 170-day growing season is longer than 36% of the 1,787 Pennsylvania places with a regular frost season (state median 175 days).
- The last frost is 7 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 139 nights a year at or below 32°F.
- Compared with Bethlehem, PA, 25 km away, the last frost here is 9 days later than there and the growing season is 17 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 16 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 4 |
| 50% (median) | October 16 |
| 90% (late) | November 1 |
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 Upper Black Eddy, PA
Upper Black Eddy, PA frost dates — last frost Apr 29, first frost Oct 16, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Feb 4 to Feb 18Transplant outside: Apr 1 to Apr 15
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Mar 4 to Mar 18Transplant outside: May 6 to May 20
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 1 to May 6Plant for fall: Aug 21 to Sep 18
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 1 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Aug 7 to Aug 28
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 10 to Jul 31
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Plant for fall: Jul 10 to Jul 31
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 10 to Jul 31
Start indoors: Mar 18 to Apr 1Transplant outside: May 20 to Jun 3Sow outdoors: May 20 to Jun 3
Start indoors: Mar 18 to Apr 1Transplant outside: May 6 to May 20
Sow outdoors: Mar 18 to Apr 8Plant for fall: Jul 24 to Aug 14
Sow outdoors: Mar 18 to Apr 8Plant for fall: Aug 21 to Sep 11
Sow outdoors: Mar 25 to May 6Plant for fall: Sep 4 to Sep 25
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 20Sow outdoors: May 6 to May 20Plant for fall: Jul 31 to Aug 14
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20Plant for fall: Aug 7 to Aug 21
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 27
Sow outdoors: Apr 8 to May 6Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 8 to May 6Plant for fall: Aug 7 to Aug 21
Sow outdoors: Apr 8 to Apr 29
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 7 to Aug 21
Sow outdoors: Apr 15 to May 6Plant for fall: Aug 21 to Sep 11
Sow outdoors: May 6 to May 27Plant for fall: Jul 31 to Aug 14
Sow outdoors: May 6 to May 20
Transplant outside: May 13 to Jun 3
Plant for fall: Oct 2 to Nov 6
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Upper Black Eddy, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 4 – Feb 18 | Apr 1 – Apr 15 | — | — |
| Peppers | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Eggplant | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Tomatoes | Mar 4 – Mar 18 | May 6 – May 20 | — | — |
| Lettuce | Mar 4 – Mar 18 | Apr 8 – Apr 22 | Apr 1 – May 6 | Aug 21 – Sep 18 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 7 – Aug 28 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 10 – Jul 31 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 10 – Jul 31 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 10 – Jul 31 |
| Okra | Mar 18 – Apr 1 | May 20 – Jun 3 | May 20 – Jun 3 | — |
| Basil | Mar 18 – Apr 1 | May 6 – May 20 | — | — |
| Peas | — | — | Mar 18 – Apr 8 | Jul 24 – Aug 14 |
| Spinach | — | — | Mar 18 – Apr 8 | Aug 21 – Sep 11 |
| Radishes | — | — | Mar 25 – May 6 | Sep 4 – Sep 25 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Jul 31 – Aug 14 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 7 – Aug 21 |
| Winter Squash & Pumpkins | Apr 1 – Apr 8 | — | May 6 – May 20 | — |
| Melons & Watermelon | Apr 1 – Apr 8 | May 13 – May 27 | — | — |
| Carrots | — | — | Apr 8 – May 6 | Jul 24 – Aug 7 |
| Beets | — | — | Apr 8 – May 6 | Aug 7 – Aug 21 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 7 – Aug 21 |
| Cilantro | — | — | Apr 15 – May 6 | Aug 21 – Sep 11 |
| Green Beans | — | — | May 6 – May 27 | Jul 31 – Aug 14 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Oct 2 – Nov 6 |
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 Bucksville, PA weather station, 8 km away (elevation 387 ft (118 m)).
Frost dates near Upper Black Eddy
- Revere Apr 29 · Oct 16
- Ferndale Apr 29 · Oct 16
- Erwinna Apr 29 · Oct 16
- Kintnersville Apr 29 · Oct 16
- Riegelsville Apr 21 · Oct 22
- Durham Apr 21 · Oct 22
- Ottsville Apr 29 · Oct 16
- Pipersville Apr 13 · Oct 30
- Bedminster Apr 29 · Oct 16
- Springtown Apr 21 · Oct 22
Frequently asked questions
When is the last frost in Upper Black Eddy, PA?
The median last spring frost in Upper Black Eddy, PA is April 29. There is still about a 10% chance of frost after May 15, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Upper Black Eddy, PA?
The median first fall frost is October 16, with about a 10% chance of frost before October 4.
How long is the growing season in Upper Black Eddy, PA?
About 170 days between the median last spring frost and first fall frost.
What planting zone is Upper Black Eddy, PA?
Upper Black Eddy, PA is in USDA hardiness zone 6b.