Saint Marys, WV frost dates
Last spring frostApr 23median date
First fall frostOct 26median date
Growing season186 daysfrost-free
Hardiness zone6bZone 6b
How Saint Marys compares
- In 8 years out of 10, the last spring frost in Saint Marys falls between April 10 and May 10, a 30-day window. The first fall frost falls between October 12 and November 6.
- The median last frost is the same as the West Virginia median of Apr 23.
- Its 186-day growing season is longer than 64% of the 745 West Virginia places with a regular frost season (state median 182 days).
- The last frost is typical for zone 6b, where the median is Apr 22.
- The weather station records an average of 119 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 10 |
| 50% (median) | April 23 |
| 10% (safe for tender plants) | May 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 26 |
| 90% (late) | November 6 |
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 Saint Marys, WV
Saint Marys, WV frost dates — last frost Apr 23, first frost Oct 26, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Jan 29 to Feb 12Transplant outside: Mar 26 to Apr 9
Start indoors: Feb 12 to Feb 26Transplant outside: May 7 to May 21
Start indoors: Feb 12 to Feb 26Transplant outside: May 7 to May 21
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 30 to May 14
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 2 to Apr 16Sow outdoors: Mar 26 to Apr 30Plant for fall: Aug 31 to Sep 28
Start indoors: Feb 26 to Mar 12Transplant outside: Mar 26 to Apr 9Sow outdoors: Mar 26 to Apr 9Plant for fall: Aug 17 to Sep 7
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 9 to Apr 23Plant for fall: Jul 20 to Aug 10
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 2 to Apr 16Plant for fall: Jul 20 to Aug 10
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 9 to Apr 23Plant for fall: Jul 20 to Aug 10
Start indoors: Mar 12 to Mar 26Transplant outside: May 14 to May 28Sow outdoors: May 14 to May 28
Start indoors: Mar 12 to Mar 26Transplant outside: Apr 30 to May 14
Sow outdoors: Mar 12 to Apr 2Plant for fall: Aug 3 to Aug 24
Sow outdoors: Mar 12 to Apr 2Plant for fall: Aug 31 to Sep 21
Sow outdoors: Mar 19 to Apr 30Plant for fall: Sep 14 to Oct 5
Start indoors: Mar 26 to Apr 2Transplant outside: May 7 to May 14Sow outdoors: Apr 30 to May 14Plant for fall: Aug 10 to Aug 24
Start indoors: Mar 26 to Apr 2Sow outdoors: Apr 30 to May 14Plant for fall: Aug 17 to Aug 31
Start indoors: Mar 26 to Apr 2Sow outdoors: Apr 30 to May 14
Start indoors: Mar 26 to Apr 2Transplant outside: May 7 to May 21
Sow outdoors: Apr 2 to Apr 30Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 2 to Apr 30Plant for fall: Aug 17 to Aug 31
Sow outdoors: Apr 2 to Apr 23
Sow outdoors: Apr 9 to May 7Plant for fall: Aug 17 to Aug 31
Sow outdoors: Apr 9 to Apr 30Plant for fall: Aug 31 to Sep 21
Sow outdoors: Apr 30 to May 21Plant for fall: Aug 10 to Aug 24
Sow outdoors: Apr 30 to May 14
Transplant outside: May 7 to May 28
Plant for fall: Oct 12 to Nov 16
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Saint Marys, WV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 29 – Feb 12 | Mar 26 – Apr 9 | — | — |
| Peppers | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Eggplant | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Tomatoes | Feb 26 – Mar 12 | Apr 30 – May 14 | — | — |
| Lettuce | Feb 26 – Mar 12 | Apr 2 – Apr 16 | Mar 26 – Apr 30 | Aug 31 – Sep 28 |
| Kale | Feb 26 – Mar 12 | Mar 26 – Apr 9 | Mar 26 – Apr 9 | Aug 17 – Sep 7 |
| Broccoli | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 20 – Aug 10 |
| Cabbage | Feb 26 – Mar 12 | Apr 2 – Apr 16 | — | Jul 20 – Aug 10 |
| Cauliflower | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 20 – Aug 10 |
| Okra | Mar 12 – Mar 26 | May 14 – May 28 | May 14 – May 28 | — |
| Basil | Mar 12 – Mar 26 | Apr 30 – May 14 | — | — |
| Peas | — | — | Mar 12 – Apr 2 | Aug 3 – Aug 24 |
| Spinach | — | — | Mar 12 – Apr 2 | Aug 31 – Sep 21 |
| Radishes | — | — | Mar 19 – Apr 30 | Sep 14 – Oct 5 |
| Cucumbers | Mar 26 – Apr 2 | May 7 – May 14 | Apr 30 – May 14 | Aug 10 – Aug 24 |
| Zucchini & Summer Squash | Mar 26 – Apr 2 | — | Apr 30 – May 14 | Aug 17 – Aug 31 |
| Winter Squash & Pumpkins | Mar 26 – Apr 2 | — | Apr 30 – May 14 | — |
| Melons & Watermelon | Mar 26 – Apr 2 | May 7 – May 21 | — | — |
| Carrots | — | — | Apr 2 – Apr 30 | Aug 3 – Aug 17 |
| Beets | — | — | Apr 2 – Apr 30 | Aug 17 – Aug 31 |
| Potatoes | — | — | Apr 2 – Apr 23 | — |
| Swiss Chard | — | — | Apr 9 – May 7 | Aug 17 – Aug 31 |
| Cilantro | — | — | Apr 9 – Apr 30 | Aug 31 – Sep 21 |
| Green Beans | — | — | Apr 30 – May 21 | Aug 10 – Aug 24 |
| Sweet Corn | — | — | Apr 30 – May 14 | — |
| Sweet Potatoes | — | May 7 – May 28 | — | — |
| 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 Newport, OH weather station, 4 km away (elevation 676 ft (206 m)).
Frost dates near Saint Marys
- Belmont Apr 23 · Oct 26
- Ellenboro Apr 26 · Oct 17
- Friendly May 1 · Oct 15
- Cairo Apr 26 · Oct 17
- Pennsboro Apr 26 · Oct 17
- Waverly Apr 23 · Oct 22
- Petroleum Apr 26 · Oct 17
- Williamstown Apr 18 · Oct 27
- Sistersville May 1 · Oct 15
- Middlebourne May 1 · Oct 15
Frequently asked questions
When is the last frost in Saint Marys, WV?
The median last spring frost in Saint Marys, WV is April 23. There is still about a 10% chance of frost after May 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Saint Marys, WV?
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 Saint Marys, WV?
About 186 days between the median last spring frost and first fall frost.
What planting zone is Saint Marys, WV?
Saint Marys, WV is in USDA hardiness zone 6b.