Frost dates for 17822 — Danville, PA
How Danville compares
- In 8 years out of 10, the last spring frost in Danville falls between April 12 and May 15, a 33-day window. The first fall frost falls between October 4 and November 5.
- The median last frost is the same as the Pennsylvania median of Apr 27.
- Its 176-day growing season is longer than 51% 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 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 127 nights a year at or below 32°F.
- Compared with Harrisburg, PA, 80 km away, the last frost here is 12 days later than there and the growing season is 15 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 12 |
| 50% (median) | April 27 |
| 10% (safe for tender plants) | May 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 4 |
| 50% (median) | October 20 |
| 90% (late) | November 5 |
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 Danville, PA
Frost dates for 17822 — Danville, PA — last frost Apr 27, first frost Oct 20, zone 6b. whenisthelastfrost.com
When to plant vegetables in Danville, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 2 – Feb 16 | Mar 30 – Apr 13 | — | — |
| Peppers | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Eggplant | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Tomatoes | Mar 2 – Mar 16 | May 4 – May 18 | — | — |
| Lettuce | Mar 2 – Mar 16 | Apr 6 – Apr 20 | Mar 30 – May 4 | Aug 25 – Sep 22 |
| Kale | Mar 2 – Mar 16 | Mar 30 – Apr 13 | Mar 30 – Apr 13 | Aug 11 – Sep 1 |
| Broccoli | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 14 – Aug 4 |
| Cabbage | Mar 2 – Mar 16 | Apr 6 – Apr 20 | — | Jul 14 – Aug 4 |
| Cauliflower | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 14 – Aug 4 |
| Okra | Mar 16 – Mar 30 | May 18 – Jun 1 | May 18 – Jun 1 | — |
| Basil | Mar 16 – Mar 30 | May 4 – May 18 | — | — |
| Peas | — | — | Mar 16 – Apr 6 | Jul 28 – Aug 18 |
| Spinach | — | — | Mar 16 – Apr 6 | Aug 25 – Sep 15 |
| Radishes | — | — | Mar 23 – May 4 | Sep 8 – Sep 29 |
| Cucumbers | Mar 30 – Apr 6 | May 11 – May 18 | May 4 – May 18 | Aug 4 – Aug 18 |
| Zucchini & Summer Squash | Mar 30 – Apr 6 | — | May 4 – May 18 | Aug 11 – Aug 25 |
| Winter Squash & Pumpkins | Mar 30 – Apr 6 | — | May 4 – May 18 | — |
| Melons & Watermelon | Mar 30 – Apr 6 | May 11 – May 25 | — | — |
| Carrots | — | — | Apr 6 – May 4 | Jul 28 – Aug 11 |
| Beets | — | — | Apr 6 – May 4 | Aug 11 – Aug 25 |
| Potatoes | — | — | Apr 6 – Apr 27 | — |
| Swiss Chard | — | — | Apr 13 – May 11 | Aug 11 – Aug 25 |
| Cilantro | — | — | Apr 13 – May 4 | Aug 25 – Sep 15 |
| Green Beans | — | — | May 4 – May 25 | Aug 4 – Aug 18 |
| Sweet Corn | — | — | May 4 – May 18 | — |
| Sweet Potatoes | — | May 11 – Jun 1 | — | — |
| Garlic | — | — | — | Oct 6 – Nov 10 |
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 Bear Gap, PA weather station, 19 km away (elevation 1,014 ft (309 m)).
ZIP codes in Danville: 17821 17822
Frost dates near Danville
- Riverside Apr 30 · Oct 13
- Snydertown Apr 30 · Oct 13
- Washingtonville Apr 26 · Oct 20
- Elysburg Apr 27 · Oct 20
- Paxinos Apr 27 · Oct 20
- Catawissa Apr 27 · Oct 20
- Bloomsburg Apr 27 · Oct 20
- Potts Grove Apr 26 · Oct 20
Frequently asked questions
When is the last frost in Danville, PA?
The median last spring frost in Danville, PA is April 27. 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 Danville, PA?
The median first fall frost is October 20, with about a 10% chance of frost before October 4.
How long is the growing season in Danville, PA?
About 176 days between the median last spring frost and first fall frost.
What planting zone is Danville, PA?
Danville, PA is in USDA hardiness zone 6b.