Sumner, MS frost dates
Last spring frostMar 17median date
First fall frostNov 7median date
Growing season235 daysfrost-free
Hardiness zone8bZone 8b
How Sumner compares
- In 8 years out of 10, the last spring frost in Sumner falls between February 28 and April 5, a 36-day window. The first fall frost falls between October 22 and November 27.
- The median last frost is the same as the Mississippi median of Mar 17.
- Its 235-day growing season is longer than 40% 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 59 nights a year at or below 32°F.
- Compared with Southaven, MS, 116 km away, the last frost here is 1 day later than there and the growing season is 10 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 17 |
| 10% (safe for tender plants) | April 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 22 |
| 50% (median) | November 7 |
| 90% (late) | November 27 |
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 Sumner, MS
Sumner, MS frost dates — last frost Mar 17, first frost Nov 7, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Feb 17 to Mar 3
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 31 to Apr 14
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 31 to Apr 14
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 24 to Apr 7
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 24 to Mar 10Sow outdoors: Feb 17 to Mar 24Plant for fall: Sep 12 to Oct 10
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 17 to Mar 3Sow outdoors: Feb 17 to Mar 3Plant for fall: Aug 29 to Sep 19
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 3 to Mar 17Plant for fall: Aug 1 to Aug 22
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 24 to Mar 10Plant for fall: Aug 1 to Aug 22
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 3 to Mar 17Plant for fall: Aug 1 to Aug 22
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 7 to Apr 21Sow outdoors: Apr 7 to Apr 21
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 24 to Apr 7
Sow outdoors: Feb 3 to Feb 24Plant for fall: Aug 15 to Sep 5
Sow outdoors: Feb 3 to Feb 24Plant for fall: Sep 12 to Oct 3
Sow outdoors: Feb 10 to Mar 24Plant for fall: Sep 26 to Oct 17
Start indoors: Feb 17 to Feb 24Transplant outside: Mar 31 to Apr 7Sow outdoors: Mar 24 to Apr 7Plant for fall: Aug 22 to Sep 5
Start indoors: Feb 17 to Feb 24Sow outdoors: Mar 24 to Apr 7Plant for fall: Aug 29 to Sep 12
Start indoors: Feb 17 to Feb 24Sow outdoors: Mar 24 to Apr 7
Start indoors: Feb 17 to Feb 24Transplant outside: Mar 31 to Apr 14
Sow outdoors: Feb 24 to Mar 24Plant for fall: Aug 15 to Aug 29
Sow outdoors: Feb 24 to Mar 24Plant for fall: Aug 29 to Sep 12
Sow outdoors: Feb 24 to Mar 17
Sow outdoors: Mar 3 to Mar 31Plant for fall: Aug 29 to Sep 12
Sow outdoors: Mar 3 to Mar 24Plant for fall: Sep 12 to Oct 3
Sow outdoors: Mar 24 to Apr 14Plant for fall: Aug 22 to Sep 5
Sow outdoors: Mar 24 to Apr 7
Transplant outside: Mar 31 to Apr 21
Plant for fall: Oct 24 to Nov 28
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Sumner, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 23 – Jan 6 | Feb 17 – Mar 3 | — | — |
| Peppers | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Eggplant | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Tomatoes | Jan 20 – Feb 3 | Mar 24 – Apr 7 | — | — |
| Lettuce | Jan 20 – Feb 3 | Feb 24 – Mar 10 | Feb 17 – Mar 24 | Sep 12 – Oct 10 |
| Kale | Jan 20 – Feb 3 | Feb 17 – Mar 3 | Feb 17 – Mar 3 | Aug 29 – Sep 19 |
| Broccoli | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 1 – Aug 22 |
| Cabbage | Jan 20 – Feb 3 | Feb 24 – Mar 10 | — | Aug 1 – Aug 22 |
| Cauliflower | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 1 – Aug 22 |
| Okra | Feb 3 – Feb 17 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | — |
| Basil | Feb 3 – Feb 17 | Mar 24 – Apr 7 | — | — |
| Peas | — | — | Feb 3 – Feb 24 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 3 – Feb 24 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 10 – Mar 24 | Sep 26 – Oct 17 |
| Cucumbers | Feb 17 – Feb 24 | Mar 31 – Apr 7 | Mar 24 – Apr 7 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | — |
| Melons & Watermelon | Feb 17 – Feb 24 | Mar 31 – Apr 14 | — | — |
| Carrots | — | — | Feb 24 – Mar 24 | Aug 15 – Aug 29 |
| Beets | — | — | Feb 24 – Mar 24 | Aug 29 – Sep 12 |
| Potatoes | — | — | Feb 24 – Mar 17 | — |
| Swiss Chard | — | — | Mar 3 – Mar 31 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 3 – Mar 24 | Sep 12 – Oct 3 |
| Green Beans | — | — | Mar 24 – Apr 14 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Mar 24 – Apr 7 | — |
| Sweet Potatoes | — | Mar 31 – Apr 21 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
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 Lambert 1w, MS weather station, 26 km away (elevation 154 ft (47 m)).
Frost dates near Sumner
- Tutwiler Mar 16 · Nov 12
- Webb Mar 7 · Nov 17
- Rome Mar 16 · Nov 12
- Parchman Mar 15 · Nov 11
- Vance Mar 17 · Nov 7
- Dublin Mar 16 · Nov 12
- Glendora Mar 7 · Nov 17
- Drew Mar 15 · Nov 11
- Swan Lake Mar 7 · Nov 17
- Tippo Mar 7 · Nov 17
Frequently asked questions
When is the last frost in Sumner, MS?
The median last spring frost in Sumner, MS is March 17. There is still about a 10% chance of frost after April 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sumner, MS?
The median first fall frost is November 7, with about a 10% chance of frost before October 22.
How long is the growing season in Sumner, MS?
About 235 days between the median last spring frost and first fall frost.
What planting zone is Sumner, MS?
Sumner, MS is in USDA hardiness zone 8b.