Austin, PA frost dates
Last spring frostMay 22median date
First fall frostOct 1median date
Growing season132 daysfrost-free
Hardiness zone5bZone 5b
How Austin compares
- In 8 years out of 10, the last spring frost in Austin falls between May 6 and June 6, a 31-day window. The first fall frost falls between September 19 and October 13.
- The median last frost is 25 days later than the Pennsylvania median of Apr 27.
- Its 132-day growing season is among the shortest of the 1,787 Pennsylvania places with a regular frost season.
- The last frost is 21 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 170 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 6 |
| 50% (median) | May 22 |
| 10% (safe for tender plants) | June 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 19 |
| 50% (median) | October 1 |
| 90% (late) | October 13 |
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 Austin, PA
Austin, PA frost dates — last frost May 22, first frost Oct 1, zone 5b. whenisthelastfrost.com
Crop
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Start indoors: Feb 27 to Mar 13Transplant outside: Apr 24 to May 8
Start indoors: Mar 13 to Mar 27Transplant outside: Jun 5 to Jun 19
Start indoors: Mar 13 to Mar 27Transplant outside: Jun 5 to Jun 19
Start indoors: Mar 27 to Apr 10Transplant outside: May 29 to Jun 12
Start indoors: Mar 27 to Apr 10Transplant outside: May 1 to May 15Sow outdoors: Apr 24 to May 29Plant for fall: Aug 6 to Sep 3
Start indoors: Mar 27 to Apr 10Transplant outside: Apr 24 to May 8Sow outdoors: Apr 24 to May 8Plant for fall: Jul 23 to Aug 13
Start indoors: Mar 27 to Apr 10Transplant outside: May 8 to May 22Plant for fall: Jun 25 to Jul 16
Start indoors: Mar 27 to Apr 10Transplant outside: May 1 to May 15Plant for fall: Jun 25 to Jul 16
Start indoors: Mar 27 to Apr 10Transplant outside: May 8 to May 22Plant for fall: Jun 25 to Jul 16
Start indoors: Apr 10 to Apr 24Transplant outside: Jun 12 to Jun 26Sow outdoors: Jun 12 to Jun 26
Start indoors: Apr 10 to Apr 24Transplant outside: May 29 to Jun 12
Sow outdoors: Apr 10 to May 1Plant for fall: Jul 9 to Jul 30
Sow outdoors: Apr 10 to May 1Plant for fall: Aug 6 to Aug 27
Sow outdoors: Apr 17 to May 29Plant for fall: Aug 20 to Sep 10
Start indoors: Apr 24 to May 1Transplant outside: Jun 5 to Jun 12Sow outdoors: May 29 to Jun 12Plant for fall: Jul 16 to Jul 30
Start indoors: Apr 24 to May 1Sow outdoors: May 29 to Jun 12Plant for fall: Jul 23 to Aug 6
Start indoors: Apr 24 to May 1Sow outdoors: May 29 to Jun 12
Start indoors: Apr 24 to May 1Transplant outside: Jun 5 to Jun 19
Sow outdoors: May 1 to May 29Plant for fall: Jul 9 to Jul 23
Sow outdoors: May 1 to May 29Plant for fall: Jul 23 to Aug 6
Sow outdoors: May 1 to May 22
Sow outdoors: May 8 to Jun 5Plant for fall: Jul 23 to Aug 6
Sow outdoors: May 8 to May 29Plant for fall: Aug 6 to Aug 27
Sow outdoors: May 29 to Jun 19Plant for fall: Jul 16 to Jul 30
Sow outdoors: May 29 to Jun 12
Transplant outside: Jun 5 to Jun 26
Plant for fall: Sep 17 to Oct 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Austin, PA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 27 – Mar 13 | Apr 24 – May 8 | — | — |
| Peppers | Mar 13 – Mar 27 | Jun 5 – Jun 19 | — | — |
| Eggplant | Mar 13 – Mar 27 | Jun 5 – Jun 19 | — | — |
| Tomatoes | Mar 27 – Apr 10 | May 29 – Jun 12 | — | — |
| Lettuce | Mar 27 – Apr 10 | May 1 – May 15 | Apr 24 – May 29 | Aug 6 – Sep 3 |
| Kale | Mar 27 – Apr 10 | Apr 24 – May 8 | Apr 24 – May 8 | Jul 23 – Aug 13 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 22 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 27 – Apr 10 | May 1 – May 15 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 27 – Apr 10 | May 8 – May 22 | — | Jun 25 – Jul 16 |
| Okra | Apr 10 – Apr 24 | Jun 12 – Jun 26 | Jun 12 – Jun 26 | — |
| Basil | Apr 10 – Apr 24 | May 29 – Jun 12 | — | — |
| Peas | — | — | Apr 10 – May 1 | Jul 9 – Jul 30 |
| Spinach | — | — | Apr 10 – May 1 | Aug 6 – Aug 27 |
| Radishes | — | — | Apr 17 – May 29 | Aug 20 – Sep 10 |
| Cucumbers | Apr 24 – May 1 | Jun 5 – Jun 12 | May 29 – Jun 12 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 24 – May 1 | — | May 29 – Jun 12 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 24 – May 1 | — | May 29 – Jun 12 | — |
| Melons & Watermelon | Apr 24 – May 1 | Jun 5 – Jun 19 | — | — |
| Carrots | — | — | May 1 – May 29 | Jul 9 – Jul 23 |
| Beets | — | — | May 1 – May 29 | Jul 23 – Aug 6 |
| Potatoes | — | — | May 1 – May 22 | — |
| Swiss Chard | — | — | May 8 – Jun 5 | Jul 23 – Aug 6 |
| Cilantro | — | — | May 8 – May 29 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 29 – Jun 19 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 29 – Jun 12 | — |
| Sweet Potatoes | — | Jun 5 – Jun 26 | — | — |
| Garlic | — | — | — | Sep 17 – Oct 22 |
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 Coudersport 1 Sw, PA weather station, 15 km away (elevation 1,650 ft (503 m)).
Frost dates near Austin
- Roulette May 22 · Oct 1
- Emporium May 7 · Oct 15
- Coudersport May 14 · Oct 4
- Port Allegany May 15 · Oct 6
- Crosby May 15 · Oct 3
- Sinnamahoning May 10 · Oct 16
- Driftwood May 10 · Oct 16
- Cross Fork Apr 29 · Oct 21
- East Smethport May 15 · Oct 6
- Turtlepoint May 15 · Oct 6
Frequently asked questions
When is the last frost in Austin, PA?
The median last spring frost in Austin, PA is May 22. There is still about a 10% chance of frost after June 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Austin, PA?
The median first fall frost is October 1, with about a 10% chance of frost before September 19.
How long is the growing season in Austin, PA?
About 132 days between the median last spring frost and first fall frost.
What planting zone is Austin, PA?
Austin, PA is in USDA hardiness zone 5b.