Windsor, VA frost dates
How Windsor compares
- In 8 years out of 10, the last spring frost in Windsor falls between March 10 and April 9, a 30-day window. The first fall frost falls between November 2 and December 1.
- The median last frost is 17 days earlier than the Virginia median of Apr 13.
- Its 233-day growing season is longer than 97% of the 837 Virginia places with a regular frost season (state median 198 days).
- The last frost is typical for zone 8a, where the median is Mar 29.
- The weather station records an average of 56 nights a year at or below 32°F.
- Windsor shares its weather station with Suffolk, VA, 14 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 10 |
| 50% (median) | March 27 |
| 10% (safe for tender plants) | April 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 2 |
| 50% (median) | November 15 |
| 90% (late) | December 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 Windsor, VA
Windsor, VA frost dates — last frost Mar 27, first frost Nov 15, zone 8a. whenisthelastfrost.com
When to plant vegetables in Windsor, VA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 2 – Jan 16 | Feb 27 – Mar 13 | — | — |
| Peppers | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Eggplant | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Tomatoes | Jan 30 – Feb 13 | Apr 3 – Apr 17 | — | — |
| Lettuce | Jan 30 – Feb 13 | Mar 6 – Mar 20 | Feb 27 – Apr 3 | Sep 20 – Oct 18 |
| Kale | Jan 30 – Feb 13 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | Sep 6 – Sep 27 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 9 – Aug 30 |
| Cabbage | Jan 30 – Feb 13 | Mar 6 – Mar 20 | — | Aug 9 – Aug 30 |
| Cauliflower | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 9 – Aug 30 |
| Okra | Feb 13 – Feb 27 | Apr 17 – May 1 | Apr 17 – May 1 | — |
| Basil | Feb 13 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Peas | — | — | Feb 13 – Mar 6 | Aug 23 – Sep 13 |
| Spinach | — | — | Feb 13 – Mar 6 | Sep 20 – Oct 11 |
| Radishes | — | — | Feb 20 – Apr 3 | Oct 4 – Oct 25 |
| Cucumbers | Feb 27 – Mar 6 | Apr 10 – Apr 17 | Apr 3 – Apr 17 | Aug 30 – Sep 13 |
| Zucchini & Summer Squash | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | Sep 6 – Sep 20 |
| Winter Squash & Pumpkins | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | — |
| Melons & Watermelon | Feb 27 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Carrots | — | — | Mar 6 – Apr 3 | Aug 23 – Sep 6 |
| Beets | — | — | Mar 6 – Apr 3 | Sep 6 – Sep 20 |
| Potatoes | — | — | Mar 6 – Mar 27 | — |
| Swiss Chard | — | — | Mar 13 – Apr 10 | Sep 6 – Sep 20 |
| Cilantro | — | — | Mar 13 – Apr 3 | Sep 20 – Oct 11 |
| Green Beans | — | — | Apr 3 – Apr 24 | Aug 30 – Sep 13 |
| Sweet Corn | — | — | Apr 3 – Apr 17 | — |
| Sweet Potatoes | — | Apr 10 – May 1 | — | — |
| Garlic | — | — | — | Nov 1 – Dec 6 |
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 Suffolk Lake Kilby, VA weather station, 17 km away (elevation 23 ft (7 m)).
Frost dates near Windsor
- Zuni Apr 7 · Nov 2
- Isle Of Wight Mar 27 · Nov 15
- Smithfield Mar 27 · Nov 15
- Suffolk Mar 27 · Nov 15
- Carrsville Apr 7 · Nov 2
- Ivor Apr 6 · Nov 1
- Carrollton Apr 1 · Nov 9
- Battery Park Apr 1 · Nov 9
- Rescue Apr 1 · Nov 9
- Sedley Apr 7 · Nov 2
Frequently asked questions
When is the last frost in Windsor, VA?
The median last spring frost in Windsor, VA is March 27. There is still about a 10% chance of frost after April 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Windsor, VA?
The median first fall frost is November 15, with about a 10% chance of frost before November 2.
How long is the growing season in Windsor, VA?
About 233 days between the median last spring frost and first fall frost.
What planting zone is Windsor, VA?
Windsor, VA is in USDA hardiness zone 8a.