Winona, MS frost dates
How Winona compares
- In 8 years out of 10, the last spring frost in Winona falls between March 22 and April 24, a 33-day window. The first fall frost falls between October 16 and November 11.
- The median last frost is 21 days later than the Mississippi median of Mar 17.
- Its 205-day growing season is longer than 3% of the 435 Mississippi places with a regular frost season (state median 239 days).
- The last frost is 9 days later than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 81 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 22 |
| 50% (median) | April 7 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 29 |
| 90% (late) | November 11 |
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 Winona, MS
Winona, MS frost dates — last frost Apr 7, first frost Oct 29, zone 8a. whenisthelastfrost.com
When to plant vegetables in Winona, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 13 – Jan 27 | Mar 10 – Mar 24 | — | — |
| Peppers | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Eggplant | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Tomatoes | Feb 10 – Feb 24 | Apr 14 – Apr 28 | — | — |
| Lettuce | Feb 10 – Feb 24 | Mar 17 – Mar 31 | Mar 10 – Apr 14 | Sep 3 – Oct 1 |
| Kale | Feb 10 – Feb 24 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | Aug 20 – Sep 10 |
| Broccoli | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 10 – Feb 24 | Mar 17 – Mar 31 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| Okra | Feb 24 – Mar 10 | Apr 28 – May 12 | Apr 28 – May 12 | — |
| Basil | Feb 24 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Peas | — | — | Feb 24 – Mar 17 | Aug 6 – Aug 27 |
| Spinach | — | — | Feb 24 – Mar 17 | Sep 3 – Sep 24 |
| Radishes | — | — | Mar 3 – Apr 14 | Sep 17 – Oct 8 |
| Cucumbers | Mar 10 – Mar 17 | Apr 21 – Apr 28 | Apr 14 – Apr 28 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | Aug 20 – Sep 3 |
| Winter Squash & Pumpkins | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | — |
| Melons & Watermelon | Mar 10 – Mar 17 | Apr 21 – May 5 | — | — |
| Carrots | — | — | Mar 17 – Apr 14 | Aug 6 – Aug 20 |
| Beets | — | — | Mar 17 – Apr 14 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 17 – Apr 7 | — |
| Swiss Chard | — | — | Mar 24 – Apr 21 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 24 – Apr 14 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 14 – May 5 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 14 – Apr 28 | — |
| Sweet Potatoes | — | Apr 21 – May 12 | — | — |
| Garlic | — | — | — | Oct 15 – Nov 19 |
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 Winona 5 E, MS weather station, 10 km away (elevation 394 ft (120 m)).
Frost dates near Winona
- Duck Hill Apr 7 · Oct 29
- Mc Carley Mar 28 · Nov 4
- Kilmichael Apr 7 · Oct 29
- North Carrollton Mar 17 · Nov 5
- Vaiden Apr 7 · Oct 29
- Carrollton Mar 17 · Nov 5
- Elliott Mar 28 · Nov 4
- Stewart Apr 7 · Oct 29
- Coila Mar 17 · Nov 5
- Gore Springs Mar 28 · Nov 4
Frequently asked questions
When is the last frost in Winona, MS?
The median last spring frost in Winona, MS is April 7. There is still about a 10% chance of frost after April 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Winona, MS?
The median first fall frost is October 29, with about a 10% chance of frost before October 16.
How long is the growing season in Winona, MS?
About 205 days between the median last spring frost and first fall frost.
What planting zone is Winona, MS?
Winona, MS is in USDA hardiness zone 8a.