Porterville, MS frost dates
How Porterville compares
- In 8 years out of 10, the last spring frost in Porterville falls between February 22 and April 1, a 38-day window. The first fall frost falls between October 29 and December 1.
- The median last frost is 3 days earlier than the Mississippi median of Mar 17.
- Its 243-day growing season is longer than 60% of the 435 Mississippi places with a regular frost season (state median 239 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 44 nights a year at or below 32°F.
- Compared with Tuscaloosa, AL, 113 km away, the last frost here is 4 days earlier than there and the growing season is 6 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 22 |
| 50% (median) | March 14 |
| 10% (safe for tender plants) | April 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 29 |
| 50% (median) | November 12 |
| 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 Porterville, MS
Porterville, MS frost dates — last frost Mar 14, first frost Nov 12, zone 8b. whenisthelastfrost.com
When to plant vegetables in Porterville, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 20 – Jan 3 | Feb 14 – Feb 28 | — | — |
| Peppers | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Eggplant | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Tomatoes | Jan 17 – Jan 31 | Mar 21 – Apr 4 | — | — |
| Lettuce | Jan 17 – Jan 31 | Feb 21 – Mar 7 | Feb 14 – Mar 21 | Sep 17 – Oct 15 |
| Kale | Jan 17 – Jan 31 | Feb 14 – Feb 28 | Feb 14 – Feb 28 | Sep 3 – Sep 24 |
| Broccoli | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 17 – Jan 31 | Feb 21 – Mar 7 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 6 – Aug 27 |
| Okra | Jan 31 – Feb 14 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | — |
| Basil | Jan 31 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Peas | — | — | Jan 31 – Feb 21 | Aug 20 – Sep 10 |
| Spinach | — | — | Jan 31 – Feb 21 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 7 – Mar 21 | Oct 1 – Oct 22 |
| Cucumbers | Feb 14 – Feb 21 | Mar 28 – Apr 4 | Mar 21 – Apr 4 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | — |
| Melons & Watermelon | Feb 14 – Feb 21 | Mar 28 – Apr 11 | — | — |
| Carrots | — | — | Feb 21 – Mar 21 | Aug 20 – Sep 3 |
| Beets | — | — | Feb 21 – Mar 21 | Sep 3 – Sep 17 |
| Potatoes | — | — | Feb 21 – Mar 14 | — |
| Swiss Chard | — | — | Feb 28 – Mar 28 | Sep 3 – Sep 17 |
| Cilantro | — | — | Feb 28 – Mar 21 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 21 – Apr 11 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 21 – Apr 4 | — |
| Sweet Potatoes | — | Mar 28 – Apr 18 | — | — |
| Garlic | — | — | — | Oct 29 – Dec 3 |
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 Meridian Naas, MS weather station, 12 km away (elevation 272 ft (83 m)).
Frost dates near Porterville
- Lauderdale Mar 14 · Nov 12
- Daleville Mar 14 · Nov 12
- Scooba Mar 12 · Nov 13
- Toomsuba Mar 14 · Nov 12
- De Kalb Mar 14 · Nov 12
- Marion Mar 16 · Nov 12
- Bailey Mar 16 · Nov 12
- Meridian Mar 16 · Nov 12
- Collinsville Mar 16 · Nov 12
- Shuqualak Mar 21 · Nov 7
Frequently asked questions
When is the last frost in Porterville, MS?
The median last spring frost in Porterville, MS is March 14. There is still about a 10% chance of frost after April 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Porterville, MS?
The median first fall frost is November 12, with about a 10% chance of frost before October 29.
How long is the growing season in Porterville, MS?
About 243 days between the median last spring frost and first fall frost.
What planting zone is Porterville, MS?
Porterville, MS is in USDA hardiness zone 8b.