Dysart, PA frost dates
How Dysart compares
- In 8 years out of 10, the last spring frost in Dysart falls between April 25 and May 28, a 33-day window. The first fall frost falls between September 24 and October 21.
- The median last frost is 13 days later than the Pennsylvania median of Apr 27.
- Its 148-day growing season is longer than 10% 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 154 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 25 |
| 50% (median) | May 10 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 5 |
| 90% (late) | October 21 |
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 Dysart, PA
Dysart, PA frost dates — last frost May 10, first frost Oct 5, zone 6a. whenisthelastfrost.com
When to plant vegetables in Dysart, 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 10 – Sep 7 |
| Kale | Mar 15 – Mar 29 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | Jul 27 – Aug 17 |
| Broccoli | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jun 29 – Jul 20 |
| Cabbage | Mar 15 – Mar 29 | Apr 19 – May 3 | — | Jun 29 – Jul 20 |
| Cauliflower | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jun 29 – Jul 20 |
| 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 13 – Aug 3 |
| Spinach | — | — | Mar 29 – Apr 19 | Aug 10 – Aug 31 |
| Radishes | — | — | Apr 5 – May 17 | Aug 24 – Sep 14 |
| Cucumbers | Apr 12 – Apr 19 | May 24 – May 31 | May 17 – May 31 | Jul 20 – Aug 3 |
| Zucchini & Summer Squash | Apr 12 – Apr 19 | — | May 17 – May 31 | Jul 27 – Aug 10 |
| 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 13 – Jul 27 |
| Beets | — | — | Apr 19 – May 17 | Jul 27 – Aug 10 |
| Potatoes | — | — | Apr 19 – May 10 | — |
| Swiss Chard | — | — | Apr 26 – May 24 | Jul 27 – Aug 10 |
| Cilantro | — | — | Apr 26 – May 17 | Aug 10 – Aug 31 |
| Green Beans | — | — | May 17 – Jun 7 | Jul 20 – Aug 3 |
| Sweet Corn | — | — | May 17 – May 31 | — |
| Sweet Potatoes | — | May 24 – Jun 14 | — | — |
| Garlic | — | — | — | Sep 21 – Oct 26 |
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 Prince Gallitzin Sp, PA weather station, 5 km away (elevation 1,519 ft (463 m)).
Frost dates near Dysart
- Ashville Apr 25 · Oct 21
- Chest Springs May 10 · Oct 5
- Fallentimber May 10 · Oct 5
- Flinton May 10 · Oct 5
- Patton May 10 · Oct 5
- Coupon Apr 25 · Oct 21
- Blandburg May 10 · Oct 5
- Glasgow May 10 · Oct 5
- Loretto May 17 · Oct 2
- Saint Boniface May 10 · Oct 5
Frequently asked questions
When is the last frost in Dysart, PA?
The median last spring frost in Dysart, 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 Dysart, PA?
The median first fall frost is October 5, with about a 10% chance of frost before September 24.
How long is the growing season in Dysart, PA?
About 148 days between the median last spring frost and first fall frost.
What planting zone is Dysart, PA?
Dysart, PA is in USDA hardiness zone 6a.