Friedens, PA frost dates
Last spring frostMay 4median date
First fall frostOct 10median date
Growing season159 daysfrost-free
Hardiness zone6aZone 6a
How Friedens compares
- In 8 years out of 10, the last spring frost in Friedens falls between April 19 and May 21, a 32-day window. The first fall frost falls between September 28 and October 23.
- The median last frost is 7 days later than the Pennsylvania median of Apr 27.
- Its 159-day growing season is longer than 21% of the 1,787 Pennsylvania places with a regular frost season (state median 175 days).
- The last frost is 5 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 149 nights a year at or below 32°F.
- Compared with Pittsburgh, PA, 105 km away, the last frost here is 10 days later than there and the growing season is 27 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 19 |
| 50% (median) | May 4 |
| 10% (safe for tender plants) | May 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 28 |
| 50% (median) | October 10 |
| 90% (late) | October 23 |
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 Friedens, PA
Friedens, PA frost dates — last frost May 4, first frost Oct 10, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 9 to Feb 23Transplant outside: Apr 6 to Apr 20
Start indoors: Feb 23 to Mar 9Transplant outside: May 18 to Jun 1
Start indoors: Feb 23 to Mar 9Transplant outside: May 18 to Jun 1
Start indoors: Mar 9 to Mar 23Transplant outside: May 11 to May 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 13 to Apr 27Sow outdoors: Apr 6 to May 11Plant for fall: Aug 15 to Sep 12
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 6 to Apr 20Sow outdoors: Apr 6 to Apr 20Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 20 to May 4Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 13 to Apr 27Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 20 to May 4Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 23 to Apr 6Transplant outside: May 25 to Jun 8Sow outdoors: May 25 to Jun 8
Start indoors: Mar 23 to Apr 6Transplant outside: May 11 to May 25
Sow outdoors: Mar 23 to Apr 13Plant for fall: Jul 18 to Aug 8
Sow outdoors: Mar 23 to Apr 13Plant for fall: Aug 15 to Sep 5
Sow outdoors: Mar 30 to May 11Plant for fall: Aug 29 to Sep 19
Start indoors: Apr 6 to Apr 13Transplant outside: May 18 to May 25Sow outdoors: May 11 to May 25Plant for fall: Jul 25 to Aug 8
Start indoors: Apr 6 to Apr 13Sow outdoors: May 11 to May 25Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 6 to Apr 13Sow outdoors: May 11 to May 25
Start indoors: Apr 6 to Apr 13Transplant outside: May 18 to Jun 1
Sow outdoors: Apr 13 to May 11Plant for fall: Jul 18 to Aug 1
Sow outdoors: Apr 13 to May 11Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 13 to May 4
Sow outdoors: Apr 20 to May 18Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 20 to May 11Plant for fall: Aug 15 to Sep 5
Sow outdoors: May 11 to Jun 1Plant for fall: Jul 25 to Aug 8
Sow outdoors: May 11 to May 25
Transplant outside: May 18 to Jun 8
Plant for fall: Sep 26 to Oct 31
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Friedens, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 9 – Feb 23 | Apr 6 – Apr 20 | — | — |
| Peppers | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Eggplant | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Tomatoes | Mar 9 – Mar 23 | May 11 – May 25 | — | — |
| Lettuce | Mar 9 – Mar 23 | Apr 13 – Apr 27 | Apr 6 – May 11 | Aug 15 – Sep 12 |
| Kale | Mar 9 – Mar 23 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | Aug 1 – Aug 22 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 9 – Mar 23 | Apr 13 – Apr 27 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jul 4 – Jul 25 |
| Okra | Mar 23 – Apr 6 | May 25 – Jun 8 | May 25 – Jun 8 | — |
| Basil | Mar 23 – Apr 6 | May 11 – May 25 | — | — |
| Peas | — | — | Mar 23 – Apr 13 | Jul 18 – Aug 8 |
| Spinach | — | — | Mar 23 – Apr 13 | Aug 15 – Sep 5 |
| Radishes | — | — | Mar 30 – May 11 | Aug 29 – Sep 19 |
| Cucumbers | Apr 6 – Apr 13 | May 18 – May 25 | May 11 – May 25 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 6 – Apr 13 | — | May 11 – May 25 | Aug 1 – Aug 15 |
| Winter Squash & Pumpkins | Apr 6 – Apr 13 | — | May 11 – May 25 | — |
| Melons & Watermelon | Apr 6 – Apr 13 | May 18 – Jun 1 | — | — |
| Carrots | — | — | Apr 13 – May 11 | Jul 18 – Aug 1 |
| Beets | — | — | Apr 13 – May 11 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 13 – May 4 | — |
| Swiss Chard | — | — | Apr 20 – May 18 | Aug 1 – Aug 15 |
| Cilantro | — | — | Apr 20 – May 11 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 11 – Jun 1 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 11 – May 25 | — |
| Sweet Potatoes | — | May 18 – Jun 8 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Shawnee Sp, PA weather station, 23 km away (elevation 1,276 ft (389 m)).
Frost dates near Friedens
- Shanksville May 4 · Oct 10
- Listie May 6 · Oct 12
- Central City May 4 · Oct 10
- Kantner May 6 · Oct 12
- Stoystown May 6 · Oct 12
- Berlin May 12 · Oct 5
- New Baltimore May 4 · Oct 10
- Somerset May 2 · Oct 17
- Cairnbrook May 4 · Oct 10
- Hooversville May 6 · Oct 12
Frequently asked questions
When is the last frost in Friedens, PA?
The median last spring frost in Friedens, PA is May 4. There is still about a 10% chance of frost after May 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Friedens, PA?
The median first fall frost is October 10, with about a 10% chance of frost before September 28.
How long is the growing season in Friedens, PA?
About 159 days between the median last spring frost and first fall frost.
What planting zone is Friedens, PA?
Friedens, PA is in USDA hardiness zone 6a.