Lima, OH frost dates
How Lima compares
- In 8 years out of 10, the last spring frost in Lima falls between April 12 and May 11, a 29-day window. The first fall frost falls between October 10 and November 5.
- The median last frost is the same as 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 5 days earlier 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 121 nights a year at or below 32°F.
- Compared with Fort Wayne, IN, 91 km away, the last frost here is the same as there and the growing season is 3 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 12 |
| 50% (median) | April 24 |
| 10% (safe for tender plants) | May 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 24 |
| 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 Lima, OH
Lima, OH frost dates — last frost Apr 24, first frost Oct 24, zone 6a. whenisthelastfrost.com
When to plant vegetables in Lima, OH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 30 – Feb 13 | Mar 27 – Apr 10 | — | — |
| Peppers | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Eggplant | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Tomatoes | Feb 27 – Mar 13 | May 1 – May 15 | — | — |
| Lettuce | Feb 27 – Mar 13 | Apr 3 – Apr 17 | Mar 27 – May 1 | Aug 29 – Sep 26 |
| Kale | Feb 27 – Mar 13 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | Aug 15 – Sep 5 |
| Broccoli | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 18 – Aug 8 |
| Cabbage | Feb 27 – Mar 13 | Apr 3 – Apr 17 | — | Jul 18 – Aug 8 |
| Cauliflower | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 18 – Aug 8 |
| Okra | Mar 13 – Mar 27 | May 15 – May 29 | May 15 – May 29 | — |
| Basil | Mar 13 – Mar 27 | May 1 – May 15 | — | — |
| Peas | — | — | Mar 13 – Apr 3 | Aug 1 – Aug 22 |
| Spinach | — | — | Mar 13 – Apr 3 | Aug 29 – Sep 19 |
| Radishes | — | — | Mar 20 – May 1 | Sep 12 – Oct 3 |
| Cucumbers | Mar 27 – Apr 3 | May 8 – May 15 | May 1 – May 15 | Aug 8 – Aug 22 |
| Zucchini & Summer Squash | Mar 27 – Apr 3 | — | May 1 – May 15 | Aug 15 – Aug 29 |
| Winter Squash & Pumpkins | Mar 27 – Apr 3 | — | May 1 – May 15 | — |
| Melons & Watermelon | Mar 27 – Apr 3 | May 8 – May 22 | — | — |
| Carrots | — | — | Apr 3 – May 1 | Aug 1 – Aug 15 |
| Beets | — | — | Apr 3 – May 1 | Aug 15 – Aug 29 |
| Potatoes | — | — | Apr 3 – Apr 24 | — |
| Swiss Chard | — | — | Apr 10 – May 8 | Aug 15 – Aug 29 |
| Cilantro | — | — | Apr 10 – May 1 | Aug 29 – Sep 19 |
| Green Beans | — | — | May 1 – May 22 | Aug 8 – Aug 22 |
| Sweet Corn | — | — | May 1 – May 15 | — |
| Sweet Potatoes | — | May 8 – May 29 | — | — |
| Garlic | — | — | — | Oct 10 – Nov 14 |
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 Lima Wwtp, OH weather station, 3 km away (elevation 850 ft (259 m)).
ZIP codes in Lima: 45801 45802 45804 45805 45806 45807
Frost dates near Lima
- Cairo Apr 24 · Oct 24
- Gomer Apr 24 · Oct 24
- Lafayette Apr 22 · Oct 22
- Vaughnsville Apr 23 · Oct 22
- Harrod Apr 22 · Oct 22
- Beaverdam Apr 23 · Oct 22
- Uniopolis Apr 22 · Oct 22
- Buckland Apr 24 · Oct 24
- Spencerville Apr 24 · Oct 24
- Columbus Grove Apr 23 · Oct 22
Frequently asked questions
When is the last frost in Lima, OH?
The median last spring frost in Lima, OH is April 24. There is still about a 10% chance of frost after May 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lima, OH?
The median first fall frost is October 24, with about a 10% chance of frost before October 10.
How long is the growing season in Lima, OH?
About 183 days between the median last spring frost and first fall frost.
What planting zone is Lima, OH?
Lima, OH is in USDA hardiness zone 6a.