Norwalk, OH frost dates
Last spring frostApr 25median date
First fall frostOct 25median date
Growing season183 daysfrost-free
Hardiness zone6aZone 6a
How Norwalk compares
- In 8 years out of 10, the last spring frost in Norwalk falls between April 11 and May 9, a 28-day window. The first fall frost falls between October 11 and November 7.
- The median last frost is 1 day 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 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 124 nights a year at or below 32°F.
- Compared with Lorain, OH, 43 km away, the last frost here is 1 day later than there and the growing season is the same length.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 11 |
| 50% (median) | April 25 |
| 10% (safe for tender plants) | May 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 11 |
| 50% (median) | October 25 |
| 90% (late) | November 7 |
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 Norwalk, OH
Norwalk, OH frost dates — last frost Apr 25, first frost Oct 25, zone 6a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Jan 31 to Feb 14Transplant outside: Mar 28 to Apr 11
Start indoors: Feb 14 to Feb 28Transplant outside: May 9 to May 23
Start indoors: Feb 14 to Feb 28Transplant outside: May 9 to May 23
Start indoors: Feb 28 to Mar 14Transplant outside: May 2 to May 16
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 4 to Apr 18Sow outdoors: Mar 28 to May 2Plant for fall: Aug 30 to Sep 27
Start indoors: Feb 28 to Mar 14Transplant outside: Mar 28 to Apr 11Sow outdoors: Mar 28 to Apr 11Plant for fall: Aug 16 to Sep 6
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 11 to Apr 25Plant for fall: Jul 19 to Aug 9
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 4 to Apr 18Plant for fall: Jul 19 to Aug 9
Start indoors: Feb 28 to Mar 14Transplant outside: Apr 11 to Apr 25Plant for fall: Jul 19 to Aug 9
Start indoors: Mar 14 to Mar 28Transplant outside: May 16 to May 30Sow outdoors: May 16 to May 30
Start indoors: Mar 14 to Mar 28Transplant outside: May 2 to May 16
Sow outdoors: Mar 14 to Apr 4Plant for fall: Aug 2 to Aug 23
Sow outdoors: Mar 14 to Apr 4Plant for fall: Aug 30 to Sep 20
Sow outdoors: Mar 21 to May 2Plant for fall: Sep 13 to Oct 4
Start indoors: Mar 28 to Apr 4Transplant outside: May 9 to May 16Sow outdoors: May 2 to May 16Plant for fall: Aug 9 to Aug 23
Start indoors: Mar 28 to Apr 4Sow outdoors: May 2 to May 16Plant for fall: Aug 16 to Aug 30
Start indoors: Mar 28 to Apr 4Sow outdoors: May 2 to May 16
Start indoors: Mar 28 to Apr 4Transplant outside: May 9 to May 23
Sow outdoors: Apr 4 to May 2Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 4 to May 2Plant for fall: Aug 16 to Aug 30
Sow outdoors: Apr 4 to Apr 25
Sow outdoors: Apr 11 to May 9Plant for fall: Aug 16 to Aug 30
Sow outdoors: Apr 11 to May 2Plant for fall: Aug 30 to Sep 20
Sow outdoors: May 2 to May 23Plant for fall: Aug 9 to Aug 23
Sow outdoors: May 2 to May 16
Transplant outside: May 9 to May 30
Plant for fall: Oct 11 to Nov 15
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Norwalk, OH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 31 – Feb 14 | Mar 28 – Apr 11 | — | — |
| Peppers | Feb 14 – Feb 28 | May 9 – May 23 | — | — |
| Eggplant | Feb 14 – Feb 28 | May 9 – May 23 | — | — |
| Tomatoes | Feb 28 – Mar 14 | May 2 – May 16 | — | — |
| Lettuce | Feb 28 – Mar 14 | Apr 4 – Apr 18 | Mar 28 – May 2 | Aug 30 – Sep 27 |
| Kale | Feb 28 – Mar 14 | Mar 28 – Apr 11 | Mar 28 – Apr 11 | Aug 16 – Sep 6 |
| Broccoli | Feb 28 – Mar 14 | Apr 11 – Apr 25 | — | Jul 19 – Aug 9 |
| Cabbage | Feb 28 – Mar 14 | Apr 4 – Apr 18 | — | Jul 19 – Aug 9 |
| Cauliflower | Feb 28 – Mar 14 | Apr 11 – Apr 25 | — | Jul 19 – Aug 9 |
| Okra | Mar 14 – Mar 28 | May 16 – May 30 | May 16 – May 30 | — |
| Basil | Mar 14 – Mar 28 | May 2 – May 16 | — | — |
| Peas | — | — | Mar 14 – Apr 4 | Aug 2 – Aug 23 |
| Spinach | — | — | Mar 14 – Apr 4 | Aug 30 – Sep 20 |
| Radishes | — | — | Mar 21 – May 2 | Sep 13 – Oct 4 |
| Cucumbers | Mar 28 – Apr 4 | May 9 – May 16 | May 2 – May 16 | Aug 9 – Aug 23 |
| Zucchini & Summer Squash | Mar 28 – Apr 4 | — | May 2 – May 16 | Aug 16 – Aug 30 |
| Winter Squash & Pumpkins | Mar 28 – Apr 4 | — | May 2 – May 16 | — |
| Melons & Watermelon | Mar 28 – Apr 4 | May 9 – May 23 | — | — |
| Carrots | — | — | Apr 4 – May 2 | Aug 2 – Aug 16 |
| Beets | — | — | Apr 4 – May 2 | Aug 16 – Aug 30 |
| Potatoes | — | — | Apr 4 – Apr 25 | — |
| Swiss Chard | — | — | Apr 11 – May 9 | Aug 16 – Aug 30 |
| Cilantro | — | — | Apr 11 – May 2 | Aug 30 – Sep 20 |
| Green Beans | — | — | May 2 – May 23 | Aug 9 – Aug 23 |
| Sweet Corn | — | — | May 2 – May 16 | — |
| Sweet Potatoes | — | May 9 – May 30 | — | — |
| Garlic | — | — | — | Oct 11 – Nov 15 |
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 Norwalk Wwtp, OH weather station, 3 km away (elevation 669 ft (204 m)).
Frost dates near Norwalk
- Milan Apr 25 · Oct 25
- Monroeville Apr 25 · Oct 25
- Collins Apr 25 · Oct 25
- Berlin Heights Apr 25 · Oct 25
- North Fairfield Apr 25 · Oct 25
- Huron Apr 25 · Oct 25
- Wakeman Apr 27 · Oct 22
- Flat Rock Apr 25 · Oct 25
- Bellevue Apr 25 · Oct 25
- Willard Apr 25 · Oct 25
Frequently asked questions
When is the last frost in Norwalk, OH?
The median last spring frost in Norwalk, OH is April 25. There is still about a 10% chance of frost after May 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Norwalk, OH?
The median first fall frost is October 25, with about a 10% chance of frost before October 11.
How long is the growing season in Norwalk, OH?
About 183 days between the median last spring frost and first fall frost.
What planting zone is Norwalk, OH?
Norwalk, OH is in USDA hardiness zone 6a.