Orwell, OH frost dates
Last spring frostMay 10median date
First fall frostOct 10median date
Growing season153 daysfrost-free
Hardiness zone6aZone 6a
How Orwell compares
- In 8 years out of 10, the last spring frost in Orwell falls between April 25 and May 27, a 32-day window. The first fall frost falls between September 26 and October 27.
- The median last frost is 16 days later than the Ohio median of Apr 24.
- Its 153-day growing season is among the shortest of the 1,063 Ohio places with a regular frost season.
- 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 142 nights a year at or below 32°F.
- Compared with Youngstown, OH, 52 km away, the last frost here is 2 days later than there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 25 |
| 50% (median) | May 10 |
| 10% (safe for tender plants) | May 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 26 |
| 50% (median) | October 10 |
| 90% (late) | October 27 |
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 Orwell, OH
Orwell, OH frost dates — last frost May 10, first frost Oct 10, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 15 to Mar 1Transplant outside: Apr 12 to Apr 26
Start indoors: Mar 1 to Mar 15Transplant outside: May 24 to Jun 7
Start indoors: Mar 1 to Mar 15Transplant outside: May 24 to Jun 7
Start indoors: Mar 15 to Mar 29Transplant outside: May 17 to May 31
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 19 to May 3Sow outdoors: Apr 12 to May 17Plant for fall: Aug 15 to Sep 12
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 12 to Apr 26Sow outdoors: Apr 12 to Apr 26Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 26 to May 10Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 19 to May 3Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 15 to Mar 29Transplant outside: Apr 26 to May 10Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 29 to Apr 12Transplant outside: May 31 to Jun 14Sow outdoors: May 31 to Jun 14
Start indoors: Mar 29 to Apr 12Transplant outside: May 17 to May 31
Sow outdoors: Mar 29 to Apr 19Plant for fall: Jul 18 to Aug 8
Sow outdoors: Mar 29 to Apr 19Plant for fall: Aug 15 to Sep 5
Sow outdoors: Apr 5 to May 17Plant for fall: Aug 29 to Sep 19
Start indoors: Apr 12 to Apr 19Transplant outside: May 24 to May 31Sow outdoors: May 17 to May 31Plant for fall: Jul 25 to Aug 8
Start indoors: Apr 12 to Apr 19Sow outdoors: May 17 to May 31Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 12 to Apr 19Sow outdoors: May 17 to May 31
Start indoors: Apr 12 to Apr 19Transplant outside: May 24 to Jun 7
Sow outdoors: Apr 19 to May 17Plant for fall: Jul 18 to Aug 1
Sow outdoors: Apr 19 to May 17Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 19 to May 10
Sow outdoors: Apr 26 to May 24Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 26 to May 17Plant for fall: Aug 15 to Sep 5
Sow outdoors: May 17 to Jun 7Plant for fall: Jul 25 to Aug 8
Sow outdoors: May 17 to May 31
Transplant outside: May 24 to Jun 14
Plant for fall: Sep 26 to Oct 31
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Orwell, OH
| 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 15 – Sep 12 |
| Kale | Mar 15 – Mar 29 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | Aug 1 – Aug 22 |
| Broccoli | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 15 – Mar 29 | Apr 19 – May 3 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 4 – Jul 25 |
| 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 18 – Aug 8 |
| Spinach | — | — | Mar 29 – Apr 19 | Aug 15 – Sep 5 |
| Radishes | — | — | Apr 5 – May 17 | Aug 29 – Sep 19 |
| Cucumbers | Apr 12 – Apr 19 | May 24 – May 31 | May 17 – May 31 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 12 – Apr 19 | — | May 17 – May 31 | Aug 1 – Aug 15 |
| 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 18 – Aug 1 |
| Beets | — | — | Apr 19 – May 17 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 19 – May 10 | — |
| Swiss Chard | — | — | Apr 26 – May 24 | Aug 1 – Aug 15 |
| Cilantro | — | — | Apr 26 – May 17 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 17 – Jun 7 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 17 – May 31 | — |
| Sweet Potatoes | — | May 24 – Jun 14 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Dorset, OH weather station, 21 km away (elevation 981 ft (299 m)).
Frost dates near Orwell
- North Bloomfield Apr 30 · Oct 23
- Rome May 10 · Oct 10
- Windsor May 5 · Oct 18
- Mesopotamia May 1 · Oct 20
- Rock Creek May 10 · Oct 10
- Bristolville Apr 30 · Oct 23
- Williamsfield May 4 · Oct 14
- Dorset May 10 · Oct 10
- Farmdale Apr 30 · Oct 23
- Middlefield May 1 · Oct 20
Frequently asked questions
When is the last frost in Orwell, OH?
The median last spring frost in Orwell, OH is May 10. There is still about a 10% chance of frost after May 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Orwell, OH?
The median first fall frost is October 10, with about a 10% chance of frost before September 26.
How long is the growing season in Orwell, OH?
About 153 days between the median last spring frost and first fall frost.
What planting zone is Orwell, OH?
Orwell, OH is in USDA hardiness zone 6a.