Westlake, OH frost dates
Last spring frostApr 20median date
First fall frostNov 3median date
Growing season197 daysfrost-free
Hardiness zone7aZone 7a
How Westlake compares
- In 8 years out of 10, the last spring frost in Westlake falls between April 4 and May 5, a 31-day window. The first fall frost falls between October 21 and November 17.
- The median last frost is 4 days earlier than the Ohio median of Apr 24.
- Its 197-day growing season is longer than 94% 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 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 111 nights a year at or below 32°F.
- Westlake shares its weather station with Lakewood, OH, 11 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 4 |
| 50% (median) | April 20 |
| 10% (safe for tender plants) | May 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 3 |
| 90% (late) | November 17 |
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 Westlake, OH
Westlake, OH frost dates — last frost Apr 20, first frost Nov 3, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 26 to Feb 9Transplant outside: Mar 23 to Apr 6
Start indoors: Feb 9 to Feb 23Transplant outside: May 4 to May 18
Start indoors: Feb 9 to Feb 23Transplant outside: May 4 to May 18
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 27 to May 11
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 30 to Apr 13Sow outdoors: Mar 23 to Apr 27Plant for fall: Sep 8 to Oct 6
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 23 to Apr 6Sow outdoors: Mar 23 to Apr 6Plant for fall: Aug 25 to Sep 15
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 6 to Apr 20Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 30 to Apr 13Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 6 to Apr 20Plant for fall: Jul 28 to Aug 18
Start indoors: Mar 9 to Mar 23Transplant outside: May 11 to May 25Sow outdoors: May 11 to May 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 27 to May 11
Sow outdoors: Mar 9 to Mar 30Plant for fall: Aug 11 to Sep 1
Sow outdoors: Mar 9 to Mar 30Plant for fall: Sep 8 to Sep 29
Sow outdoors: Mar 16 to Apr 27Plant for fall: Sep 22 to Oct 13
Start indoors: Mar 23 to Mar 30Transplant outside: May 4 to May 11Sow outdoors: Apr 27 to May 11Plant for fall: Aug 18 to Sep 1
Start indoors: Mar 23 to Mar 30Sow outdoors: Apr 27 to May 11Plant for fall: Aug 25 to Sep 8
Start indoors: Mar 23 to Mar 30Sow outdoors: Apr 27 to May 11
Start indoors: Mar 23 to Mar 30Transplant outside: May 4 to May 18
Sow outdoors: Mar 30 to Apr 27Plant for fall: Aug 11 to Aug 25
Sow outdoors: Mar 30 to Apr 27Plant for fall: Aug 25 to Sep 8
Sow outdoors: Mar 30 to Apr 20
Sow outdoors: Apr 6 to May 4Plant for fall: Aug 25 to Sep 8
Sow outdoors: Apr 6 to Apr 27Plant for fall: Sep 8 to Sep 29
Sow outdoors: Apr 27 to May 18Plant for fall: Aug 18 to Sep 1
Sow outdoors: Apr 27 to May 11
Transplant outside: May 4 to May 25
Plant for fall: Oct 20 to Nov 24
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Westlake, OH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 26 – Feb 9 | Mar 23 – Apr 6 | — | — |
| Peppers | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Eggplant | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Tomatoes | Feb 23 – Mar 9 | Apr 27 – May 11 | — | — |
| Lettuce | Feb 23 – Mar 9 | Mar 30 – Apr 13 | Mar 23 – Apr 27 | Sep 8 – Oct 6 |
| Kale | Feb 23 – Mar 9 | Mar 23 – Apr 6 | Mar 23 – Apr 6 | Aug 25 – Sep 15 |
| Broccoli | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 28 – Aug 18 |
| Cabbage | Feb 23 – Mar 9 | Mar 30 – Apr 13 | — | Jul 28 – Aug 18 |
| Cauliflower | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 28 – Aug 18 |
| Okra | Mar 9 – Mar 23 | May 11 – May 25 | May 11 – May 25 | — |
| Basil | Mar 9 – Mar 23 | Apr 27 – May 11 | — | — |
| Peas | — | — | Mar 9 – Mar 30 | Aug 11 – Sep 1 |
| Spinach | — | — | Mar 9 – Mar 30 | Sep 8 – Sep 29 |
| Radishes | — | — | Mar 16 – Apr 27 | Sep 22 – Oct 13 |
| Cucumbers | Mar 23 – Mar 30 | May 4 – May 11 | Apr 27 – May 11 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Mar 23 – Mar 30 | — | Apr 27 – May 11 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Mar 23 – Mar 30 | — | Apr 27 – May 11 | — |
| Melons & Watermelon | Mar 23 – Mar 30 | May 4 – May 18 | — | — |
| Carrots | — | — | Mar 30 – Apr 27 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 30 – Apr 27 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 30 – Apr 20 | — |
| Swiss Chard | — | — | Apr 6 – May 4 | Aug 25 – Sep 8 |
| Cilantro | — | — | Apr 6 – Apr 27 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 27 – May 18 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 27 – May 11 | — |
| Sweet Potatoes | — | May 4 – May 25 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Cleveland, OH weather station, 7 km away (elevation 764 ft (233 m)).
Frost dates near Westlake
- Bay Village Apr 20 · Nov 3
- North Olmsted Apr 20 · Nov 3
- Rocky River Apr 20 · Nov 3
- Avon Apr 22 · Nov 1
- Olmsted Falls Apr 20 · Nov 3
- Avon Lake Apr 22 · Nov 1
- North Ridgeville Apr 22 · Nov 1
- Lakewood Apr 20 · Nov 3
- Berea Apr 20 · Nov 3
- Brookpark Apr 20 · Nov 3
Frequently asked questions
When is the last frost in Westlake, OH?
The median last spring frost in Westlake, OH is April 20. There is still about a 10% chance of frost after May 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Westlake, OH?
The median first fall frost is November 3, with about a 10% chance of frost before October 21.
How long is the growing season in Westlake, OH?
About 197 days between the median last spring frost and first fall frost.
What planting zone is Westlake, OH?
Westlake, OH is in USDA hardiness zone 7a.