Saint Charles, VA frost dates
How Saint Charles compares
- In 8 years out of 10, the last spring frost in Saint Charles falls between April 9 and May 10, a 31-day window. The first fall frost falls between October 8 and November 1.
- The median last frost is 9 days later than the Virginia median of Apr 13.
- Its 181-day growing season is longer than 18% of the 837 Virginia places with a regular frost season (state median 198 days).
- The last frost is 6 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 120 nights a year at or below 32°F.
- Compared with Kingsport, TN, 56 km away, the last frost here is 13 days later than there and the growing season is 22 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 9 |
| 50% (median) | April 22 |
| 10% (safe for tender plants) | May 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 8 |
| 50% (median) | October 20 |
| 90% (late) | November 1 |
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 Charles, VA
Saint Charles, VA frost dates — last frost Apr 22, first frost Oct 20, zone 7a. whenisthelastfrost.com
When to plant vegetables in Saint Charles, VA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 28 – Feb 11 | Mar 25 – Apr 8 | — | — |
| Peppers | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Eggplant | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Tomatoes | Feb 25 – Mar 11 | Apr 29 – May 13 | — | — |
| Lettuce | Feb 25 – Mar 11 | Apr 1 – Apr 15 | Mar 25 – Apr 29 | Aug 25 – Sep 22 |
| Kale | Feb 25 – Mar 11 | Mar 25 – Apr 8 | Mar 25 – Apr 8 | Aug 11 – Sep 1 |
| Broccoli | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 14 – Aug 4 |
| Cabbage | Feb 25 – Mar 11 | Apr 1 – Apr 15 | — | Jul 14 – Aug 4 |
| Cauliflower | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 14 – Aug 4 |
| Okra | Mar 11 – Mar 25 | May 13 – May 27 | May 13 – May 27 | — |
| Basil | Mar 11 – Mar 25 | Apr 29 – May 13 | — | — |
| Peas | — | — | Mar 11 – Apr 1 | Jul 28 – Aug 18 |
| Spinach | — | — | Mar 11 – Apr 1 | Aug 25 – Sep 15 |
| Radishes | — | — | Mar 18 – Apr 29 | Sep 8 – Sep 29 |
| Cucumbers | Mar 25 – Apr 1 | May 6 – May 13 | Apr 29 – May 13 | Aug 4 – Aug 18 |
| Zucchini & Summer Squash | Mar 25 – Apr 1 | — | Apr 29 – May 13 | Aug 11 – Aug 25 |
| Winter Squash & Pumpkins | Mar 25 – Apr 1 | — | Apr 29 – May 13 | — |
| Melons & Watermelon | Mar 25 – Apr 1 | May 6 – May 20 | — | — |
| Carrots | — | — | Apr 1 – Apr 29 | Jul 28 – Aug 11 |
| Beets | — | — | Apr 1 – Apr 29 | Aug 11 – Aug 25 |
| Potatoes | — | — | Apr 1 – Apr 22 | — |
| Swiss Chard | — | — | Apr 8 – May 6 | Aug 11 – Aug 25 |
| Cilantro | — | — | Apr 8 – Apr 29 | Aug 25 – Sep 15 |
| Green Beans | — | — | Apr 29 – May 20 | Aug 4 – Aug 18 |
| Sweet Corn | — | — | Apr 29 – May 13 | — |
| Sweet Potatoes | — | May 6 – May 27 | — | — |
| Garlic | — | — | — | Oct 6 – Nov 10 |
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 Pennington Gap, VA weather station, 9 km away (elevation 1,362 ft (415 m)).
Frost dates near Saint Charles
- Keokee Apr 22 · Oct 20
- Pennington Gap Apr 22 · Oct 20
- Dryden Apr 22 · Oct 20
- Jonesville Apr 22 · Oct 20
- Ben Hur Apr 15 · Oct 30
- Blackwater Apr 22 · Oct 20
- Duffield Apr 20 · Oct 23
- Andover Apr 20 · Oct 23
- Appalachia Apr 20 · Oct 23
- Big Stone Gap Apr 20 · Oct 23
Frequently asked questions
When is the last frost in Saint Charles, VA?
The median last spring frost in Saint Charles, VA is April 22. 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 Charles, VA?
The median first fall frost is October 20, with about a 10% chance of frost before October 8.
How long is the growing season in Saint Charles, VA?
About 181 days between the median last spring frost and first fall frost.
What planting zone is Saint Charles, VA?
Saint Charles, VA is in USDA hardiness zone 7a.