Frost dates for 16016 — Boyers, PA
Last spring frostMay 7median date
First fall frostOct 14median date
Growing season160 daysfrost-free
Hardiness zone6aZone 6a
How Boyers compares
- In 8 years out of 10, the last spring frost in Boyers falls between April 22 and May 25, a 33-day window. The first fall frost falls between October 1 and October 30.
- The median last frost is 10 days later than the Pennsylvania median of Apr 27.
- Its 160-day growing season is longer than 23% of the 1,787 Pennsylvania places with a regular frost season (state median 175 days).
- The last frost is 8 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 142 nights a year at or below 32°F.
- Compared with Youngstown, OH, 66 km away, the last frost here is 1 day earlier than there and the growing season is 3 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 22 |
| 50% (median) | May 7 |
| 10% (safe for tender plants) | May 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 1 |
| 50% (median) | October 14 |
| 90% (late) | October 30 |
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 Boyers, PA
Frost dates for 16016 — Boyers, PA — last frost May 7, first frost Oct 14, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 12 to Feb 26Transplant outside: Apr 9 to Apr 23
Start indoors: Feb 26 to Mar 12Transplant outside: May 21 to Jun 4
Start indoors: Feb 26 to Mar 12Transplant outside: May 21 to Jun 4
Start indoors: Mar 12 to Mar 26Transplant outside: May 14 to May 28
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 9 to May 14Plant for fall: Aug 19 to Sep 16
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 9 to Apr 23Sow outdoors: Apr 9 to Apr 23Plant for fall: Aug 5 to Aug 26
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 23 to May 7Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 23 to May 7Plant for fall: Jul 8 to Jul 29
Start indoors: Mar 26 to Apr 9Transplant outside: May 28 to Jun 11Sow outdoors: May 28 to Jun 11
Start indoors: Mar 26 to Apr 9Transplant outside: May 14 to May 28
Sow outdoors: Mar 26 to Apr 16Plant for fall: Jul 22 to Aug 12
Sow outdoors: Mar 26 to Apr 16Plant for fall: Aug 19 to Sep 9
Sow outdoors: Apr 2 to May 14Plant for fall: Sep 2 to Sep 23
Start indoors: Apr 9 to Apr 16Transplant outside: May 21 to May 28Sow outdoors: May 14 to May 28Plant for fall: Jul 29 to Aug 12
Start indoors: Apr 9 to Apr 16Sow outdoors: May 14 to May 28Plant for fall: Aug 5 to Aug 19
Start indoors: Apr 9 to Apr 16Sow outdoors: May 14 to May 28
Start indoors: Apr 9 to Apr 16Transplant outside: May 21 to Jun 4
Sow outdoors: Apr 16 to May 14Plant for fall: Jul 22 to Aug 5
Sow outdoors: Apr 16 to May 14Plant for fall: Aug 5 to Aug 19
Sow outdoors: Apr 16 to May 7
Sow outdoors: Apr 23 to May 21Plant for fall: Aug 5 to Aug 19
Sow outdoors: Apr 23 to May 14Plant for fall: Aug 19 to Sep 9
Sow outdoors: May 14 to Jun 4Plant for fall: Jul 29 to Aug 12
Sow outdoors: May 14 to May 28
Transplant outside: May 21 to Jun 11
Plant for fall: Sep 30 to Nov 4
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Boyers, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 12 – Feb 26 | Apr 9 – Apr 23 | — | — |
| Peppers | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Eggplant | Feb 26 – Mar 12 | May 21 – Jun 4 | — | — |
| Tomatoes | Mar 12 – Mar 26 | May 14 – May 28 | — | — |
| Lettuce | Mar 12 – Mar 26 | Apr 16 – Apr 30 | Apr 9 – May 14 | Aug 19 – Sep 16 |
| Kale | Mar 12 – Mar 26 | Apr 9 – Apr 23 | Apr 9 – Apr 23 | Aug 5 – Aug 26 |
| Broccoli | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jul 8 – Jul 29 |
| Cabbage | Mar 12 – Mar 26 | Apr 16 – Apr 30 | — | Jul 8 – Jul 29 |
| Cauliflower | Mar 12 – Mar 26 | Apr 23 – May 7 | — | Jul 8 – Jul 29 |
| Okra | Mar 26 – Apr 9 | May 28 – Jun 11 | May 28 – Jun 11 | — |
| Basil | Mar 26 – Apr 9 | May 14 – May 28 | — | — |
| Peas | — | — | Mar 26 – Apr 16 | Jul 22 – Aug 12 |
| Spinach | — | — | Mar 26 – Apr 16 | Aug 19 – Sep 9 |
| Radishes | — | — | Apr 2 – May 14 | Sep 2 – Sep 23 |
| Cucumbers | Apr 9 – Apr 16 | May 21 – May 28 | May 14 – May 28 | Jul 29 – Aug 12 |
| Zucchini & Summer Squash | Apr 9 – Apr 16 | — | May 14 – May 28 | Aug 5 – Aug 19 |
| Winter Squash & Pumpkins | Apr 9 – Apr 16 | — | May 14 – May 28 | — |
| Melons & Watermelon | Apr 9 – Apr 16 | May 21 – Jun 4 | — | — |
| Carrots | — | — | Apr 16 – May 14 | Jul 22 – Aug 5 |
| Beets | — | — | Apr 16 – May 14 | Aug 5 – Aug 19 |
| Potatoes | — | — | Apr 16 – May 7 | — |
| Swiss Chard | — | — | Apr 23 – May 21 | Aug 5 – Aug 19 |
| Cilantro | — | — | Apr 23 – May 14 | Aug 19 – Sep 9 |
| Green Beans | — | — | May 14 – Jun 4 | Jul 29 – Aug 12 |
| Sweet Corn | — | — | May 14 – May 28 | — |
| Sweet Potatoes | — | May 21 – Jun 11 | — | — |
| Garlic | — | — | — | Sep 30 – Nov 4 |
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 Slippery Rock 1 Ssw, PA weather station, 15 km away (elevation 1,260 ft (384 m)).
ZIP codes in Boyers: 16016 16017 16018 16020
Frost dates near Boyers
- Hilliards May 7 · Oct 14
- Branchton May 7 · Oct 14
- Eau Claire May 7 · Oct 14
- Forestville May 7 · Oct 14
- Harrisville May 7 · Oct 14
- North Washington May 7 · Oct 14
- Clintonville May 7 · Oct 14
- West Sunbury May 7 · Oct 14
Frequently asked questions
When is the last frost in Boyers, PA?
The median last spring frost in Boyers, PA is May 7. There is still about a 10% chance of frost after May 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Boyers, PA?
The median first fall frost is October 14, with about a 10% chance of frost before October 1.
How long is the growing season in Boyers, PA?
About 160 days between the median last spring frost and first fall frost.
What planting zone is Boyers, PA?
Boyers, PA is in USDA hardiness zone 6a.