Peach Bottom, PA frost dates
How Peach Bottom compares
- In 8 years out of 10, the last spring frost in Peach Bottom falls between April 9 and May 10, a 31-day window. The first fall frost falls between October 9 and November 3.
- The median last frost is 1 day earlier than the Pennsylvania median of Apr 27.
- Its 179-day growing season is longer than 60% of the 1,787 Pennsylvania places with a regular frost season (state median 175 days).
- The last frost is 10 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 125 nights a year at or below 32°F.
- Compared with Lancaster, PA, 32 km away, the last frost here is 7 days later than there and the growing season is 9 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 9 |
| 50% (median) | April 26 |
| 10% (safe for tender plants) | May 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 9 |
| 50% (median) | October 22 |
| 90% (late) | November 3 |
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 Peach Bottom, PA
Peach Bottom, PA frost dates — last frost Apr 26, first frost Oct 22, zone 7a. whenisthelastfrost.com
When to plant vegetables in Peach Bottom, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 1 – Feb 15 | Mar 29 – Apr 12 | — | — |
| Peppers | Feb 15 – Mar 1 | May 10 – May 24 | — | — |
| Eggplant | Feb 15 – Mar 1 | May 10 – May 24 | — | — |
| Tomatoes | Mar 1 – Mar 15 | May 3 – May 17 | — | — |
| Lettuce | Mar 1 – Mar 15 | Apr 5 – Apr 19 | Mar 29 – May 3 | Aug 27 – Sep 24 |
| Kale | Mar 1 – Mar 15 | Mar 29 – Apr 12 | Mar 29 – Apr 12 | Aug 13 – Sep 3 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 16 – Aug 6 |
| Cabbage | Mar 1 – Mar 15 | Apr 5 – Apr 19 | — | Jul 16 – Aug 6 |
| Cauliflower | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 16 – Aug 6 |
| Okra | Mar 15 – Mar 29 | May 17 – May 31 | May 17 – May 31 | — |
| Basil | Mar 15 – Mar 29 | May 3 – May 17 | — | — |
| Peas | — | — | Mar 15 – Apr 5 | Jul 30 – Aug 20 |
| Spinach | — | — | Mar 15 – Apr 5 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 22 – May 3 | Sep 10 – Oct 1 |
| Cucumbers | Mar 29 – Apr 5 | May 10 – May 17 | May 3 – May 17 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Mar 29 – Apr 5 | — | May 3 – May 17 | Aug 13 – Aug 27 |
| Winter Squash & Pumpkins | Mar 29 – Apr 5 | — | May 3 – May 17 | — |
| Melons & Watermelon | Mar 29 – Apr 5 | May 10 – May 24 | — | — |
| Carrots | — | — | Apr 5 – May 3 | Jul 30 – Aug 13 |
| Beets | — | — | Apr 5 – May 3 | Aug 13 – Aug 27 |
| Potatoes | — | — | Apr 5 – Apr 26 | — |
| Swiss Chard | — | — | Apr 12 – May 10 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 12 – May 3 | Aug 27 – Sep 17 |
| Green Beans | — | — | May 3 – May 24 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | May 3 – May 17 | — |
| Sweet Potatoes | — | May 10 – May 31 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
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 Octoraro Lake, PA weather station, 12 km away (elevation 259 ft (79 m)).
Frost dates near Peach Bottom
- Drumore Apr 1 · Nov 10
- Kirkwood Apr 26 · Oct 22
- Nottingham Apr 26 · Oct 22
- Quarryville Apr 26 · Oct 22
- Delta Apr 3 · Nov 6
- Holtwood Apr 1 · Nov 10
- New Providence Apr 1 · Nov 10
- Oxford Apr 26 · Oct 22
- Christiana Apr 26 · Oct 22
- Pequea Apr 1 · Nov 10
Frequently asked questions
When is the last frost in Peach Bottom, PA?
The median last spring frost in Peach Bottom, PA is April 26. There is still about a 10% chance of frost after May 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Peach Bottom, PA?
The median first fall frost is October 22, with about a 10% chance of frost before October 9.
How long is the growing season in Peach Bottom, PA?
About 179 days between the median last spring frost and first fall frost.
What planting zone is Peach Bottom, PA?
Peach Bottom, PA is in USDA hardiness zone 7a.