Clarington, OH frost dates
How Clarington compares
- In 8 years out of 10, the last spring frost in Clarington falls between April 13 and May 13, a 30-day window. The first fall frost falls between October 12 and November 5.
- The median last frost is 2 days later than the Ohio median of Apr 24.
- Its 183-day growing season is longer than 58% of the 1,063 Ohio places with a regular frost season (state median 180 days).
- The last frost is 4 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 121 nights a year at or below 32°F.
- Compared with Pittsburgh, PA, 106 km away, the last frost here is 2 days later than there and the growing season is 3 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 13 |
| 50% (median) | April 26 |
| 10% (safe for tender plants) | May 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 26 |
| 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 Clarington, OH
Clarington, OH frost dates — last frost Apr 26, first frost Oct 26, zone 6b. whenisthelastfrost.com
When to plant vegetables in Clarington, OH
| 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 31 – Sep 28 |
| Kale | Mar 1 – Mar 15 | Mar 29 – Apr 12 | Mar 29 – Apr 12 | Aug 17 – Sep 7 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 20 – Aug 10 |
| Cabbage | Mar 1 – Mar 15 | Apr 5 – Apr 19 | — | Jul 20 – Aug 10 |
| Cauliflower | Mar 1 – Mar 15 | Apr 12 – Apr 26 | — | Jul 20 – Aug 10 |
| 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 | Aug 3 – Aug 24 |
| Spinach | — | — | Mar 15 – Apr 5 | Aug 31 – Sep 21 |
| Radishes | — | — | Mar 22 – May 3 | Sep 14 – Oct 5 |
| Cucumbers | Mar 29 – Apr 5 | May 10 – May 17 | May 3 – May 17 | Aug 10 – Aug 24 |
| Zucchini & Summer Squash | Mar 29 – Apr 5 | — | May 3 – May 17 | Aug 17 – Aug 31 |
| 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 | Aug 3 – Aug 17 |
| Beets | — | — | Apr 5 – May 3 | Aug 17 – Aug 31 |
| Potatoes | — | — | Apr 5 – Apr 26 | — |
| Swiss Chard | — | — | Apr 12 – May 10 | Aug 17 – Aug 31 |
| Cilantro | — | — | Apr 12 – May 3 | Aug 31 – Sep 21 |
| Green Beans | — | — | May 3 – May 24 | Aug 10 – Aug 24 |
| Sweet Corn | — | — | May 3 – May 17 | — |
| Sweet Potatoes | — | May 10 – May 31 | — | — |
| Garlic | — | — | — | Oct 12 – Nov 16 |
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 Hannibal Locks & Dam, OH weather station, 13 km away (elevation 620 ft (189 m)).
Frost dates near Clarington
- Cameron Apr 26 · Oct 26
- Laings Apr 26 · Oct 26
- Powhatan Point Apr 26 · Oct 21
- Beallsville Apr 27 · Oct 22
- Hannibal Apr 26 · Oct 26
- Alledonia Apr 26 · Oct 21
- Sardis Apr 26 · Oct 26
- Woodsfield Apr 26 · Oct 26
- Jerusalem Apr 27 · Oct 22
- Jacobsburg Apr 26 · Oct 21
Frequently asked questions
When is the last frost in Clarington, OH?
The median last spring frost in Clarington, OH is April 26. There is still about a 10% chance of frost after May 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Clarington, OH?
The median first fall frost is October 26, with about a 10% chance of frost before October 12.
How long is the growing season in Clarington, OH?
About 183 days between the median last spring frost and first fall frost.
What planting zone is Clarington, OH?
Clarington, OH is in USDA hardiness zone 6b.