Wellersburg, PA frost dates
Last spring frostApr 29median date
First fall frostOct 18median date
Growing season172 daysfrost-free
Hardiness zone6bZone 6b
How Wellersburg compares
- In 8 years out of 10, the last spring frost in Wellersburg falls between April 14 and May 15, a 31-day window. The first fall frost falls between October 5 and November 1.
- The median last frost is 2 days later than the Pennsylvania median of Apr 27.
- Its 172-day growing season is longer than 41% 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 132 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 14 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 18 |
| 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 Wellersburg, PA
Wellersburg, PA frost dates — last frost Apr 29, first frost Oct 18, 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 23 to Sep 20
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 1 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Aug 9 to Aug 30
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 12 to Aug 2
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Plant for fall: Jul 12 to Aug 2
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 12 to Aug 2
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 26 to Aug 16
Sow outdoors: Mar 18 to Apr 8Plant for fall: Aug 23 to Sep 13
Sow outdoors: Mar 25 to May 6Plant for fall: Sep 6 to Sep 27
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 20Sow outdoors: May 6 to May 20Plant for fall: Aug 2 to Aug 16
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20Plant for fall: Aug 9 to Aug 23
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 26 to Aug 9
Sow outdoors: Apr 8 to May 6Plant for fall: Aug 9 to Aug 23
Sow outdoors: Apr 8 to Apr 29
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 9 to Aug 23
Sow outdoors: Apr 15 to May 6Plant for fall: Aug 23 to Sep 13
Sow outdoors: May 6 to May 27Plant for fall: Aug 2 to Aug 16
Sow outdoors: May 6 to May 20
Transplant outside: May 13 to Jun 3
Plant for fall: Oct 4 to Nov 8
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Wellersburg, 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 23 – Sep 20 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 9 – Aug 30 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 12 – Aug 2 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 12 – Aug 2 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 12 – Aug 2 |
| 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 26 – Aug 16 |
| Spinach | — | — | Mar 18 – Apr 8 | Aug 23 – Sep 13 |
| Radishes | — | — | Mar 25 – May 6 | Sep 6 – Sep 27 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Aug 2 – Aug 16 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 9 – Aug 23 |
| 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 26 – Aug 9 |
| Beets | — | — | Apr 8 – May 6 | Aug 9 – Aug 23 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 9 – Aug 23 |
| Cilantro | — | — | Apr 15 – May 6 | Aug 23 – Sep 13 |
| Green Beans | — | — | May 6 – May 27 | Aug 2 – Aug 16 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Oct 4 – Nov 8 |
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 Frostburg, MD weather station, 11 km away (elevation 2,169 ft (661 m)).
Frost dates near Wellersburg
- Hyndman Apr 15 · Oct 24
- Fairhope May 12 · Oct 5
- Meyersdale May 12 · Oct 5
- Boynton May 12 · Oct 5
- Salisbury May 12 · Oct 5
- West Salisbury May 12 · Oct 5
- Berlin May 12 · Oct 5
- Garrett May 12 · Oct 5
- Springs May 12 · Oct 5
- Buffalo Mills May 4 · Oct 10
Frequently asked questions
When is the last frost in Wellersburg, PA?
The median last spring frost in Wellersburg, 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 Wellersburg, PA?
The median first fall frost is October 18, with about a 10% chance of frost before October 5.
How long is the growing season in Wellersburg, PA?
About 172 days between the median last spring frost and first fall frost.
What planting zone is Wellersburg, PA?
Wellersburg, PA is in USDA hardiness zone 6b.