Frost dates for 70448 — Mandeville, LA
Last spring frostMar 12median date
First fall frostNov 18median date
Growing season251 daysfrost-free
Hardiness zone9aZone 9a
How Mandeville compares
- In 8 years out of 10, the last spring frost in Mandeville falls between February 13 and April 3, a 49-day window. The first fall frost falls between November 1 and December 12.
- The median last frost is 9 days later than the Louisiana median of Mar 3.
- Its 251-day growing season is longer than 28% of the 388 Louisiana places with a regular frost season (state median 266 days).
- The last frost is 9 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 29 nights a year at or below 32°F.
- Nearby Metairie, LA, 43 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 13 |
| 50% (median) | March 12 |
| 10% (safe for tender plants) | April 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 18 |
| 90% (late) | December 12 |
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 Mandeville, LA
Frost dates for 70448 — Mandeville, LA — last frost Mar 12, first frost Nov 18, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 18 to Jan 1Start indoors: Dec 18 to Jan 1Transplant outside: Feb 12 to Feb 26
Start indoors: Jan 1 to Jan 15Transplant outside: Mar 26 to Apr 9
Start indoors: Jan 1 to Jan 15Transplant outside: Mar 26 to Apr 9
Start indoors: Jan 15 to Jan 29Transplant outside: Mar 19 to Apr 2
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 19 to Mar 5Sow outdoors: Feb 12 to Mar 19Plant for fall: Sep 23 to Oct 21
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 12 to Feb 26Sow outdoors: Feb 12 to Feb 26Plant for fall: Sep 9 to Sep 30
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 26 to Mar 12Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 19 to Mar 5Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 15 to Jan 29Transplant outside: Feb 26 to Mar 12Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 2 to Apr 16Sow outdoors: Apr 2 to Apr 16
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 19 to Apr 2
Sow outdoors: Jan 29 to Feb 19Plant for fall: Aug 26 to Sep 16
Sow outdoors: Jan 29 to Feb 19Plant for fall: Sep 23 to Oct 14
Sow outdoors: Feb 5 to Mar 19Plant for fall: Oct 7 to Oct 28
Start indoors: Feb 12 to Feb 19Transplant outside: Mar 26 to Apr 2Sow outdoors: Mar 19 to Apr 2Plant for fall: Sep 2 to Sep 16
Start indoors: Feb 12 to Feb 19Sow outdoors: Mar 19 to Apr 2Plant for fall: Sep 9 to Sep 23
Start indoors: Feb 12 to Feb 19Sow outdoors: Mar 19 to Apr 2
Start indoors: Feb 12 to Feb 19Transplant outside: Mar 26 to Apr 9
Sow outdoors: Feb 19 to Mar 19Plant for fall: Aug 26 to Sep 9
Sow outdoors: Feb 19 to Mar 19Plant for fall: Sep 9 to Sep 23
Sow outdoors: Feb 19 to Mar 12
Sow outdoors: Feb 26 to Mar 26Plant for fall: Sep 9 to Sep 23
Sow outdoors: Feb 26 to Mar 19Plant for fall: Sep 23 to Oct 14
Sow outdoors: Mar 19 to Apr 9Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 19 to Apr 2
Transplant outside: Mar 26 to Apr 16
Plant for fall: Nov 4 to Dec 9
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Mandeville, LA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 18 – Jan 1 | Feb 12 – Feb 26 | — | — |
| Peppers | Jan 1 – Jan 15 | Mar 26 – Apr 9 | — | — |
| Eggplant | Jan 1 – Jan 15 | Mar 26 – Apr 9 | — | — |
| Tomatoes | Jan 15 – Jan 29 | Mar 19 – Apr 2 | — | — |
| Lettuce | Jan 15 – Jan 29 | Feb 19 – Mar 5 | Feb 12 – Mar 19 | Sep 23 – Oct 21 |
| Kale | Jan 15 – Jan 29 | Feb 12 – Feb 26 | Feb 12 – Feb 26 | Sep 9 – Sep 30 |
| Broccoli | Jan 15 – Jan 29 | Feb 26 – Mar 12 | — | Aug 12 – Sep 2 |
| Cabbage | Jan 15 – Jan 29 | Feb 19 – Mar 5 | — | Aug 12 – Sep 2 |
| Cauliflower | Jan 15 – Jan 29 | Feb 26 – Mar 12 | — | Aug 12 – Sep 2 |
| Okra | Jan 29 – Feb 12 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | — |
| Basil | Jan 29 – Feb 12 | Mar 19 – Apr 2 | — | — |
| Peas | — | — | Jan 29 – Feb 19 | Aug 26 – Sep 16 |
| Spinach | — | — | Jan 29 – Feb 19 | Sep 23 – Oct 14 |
| Radishes | — | — | Feb 5 – Mar 19 | Oct 7 – Oct 28 |
| Cucumbers | Feb 12 – Feb 19 | Mar 26 – Apr 2 | Mar 19 – Apr 2 | Sep 2 – Sep 16 |
| Zucchini & Summer Squash | Feb 12 – Feb 19 | — | Mar 19 – Apr 2 | Sep 9 – Sep 23 |
| Winter Squash & Pumpkins | Feb 12 – Feb 19 | — | Mar 19 – Apr 2 | — |
| Melons & Watermelon | Feb 12 – Feb 19 | Mar 26 – Apr 9 | — | — |
| Carrots | — | — | Feb 19 – Mar 19 | Aug 26 – Sep 9 |
| Beets | — | — | Feb 19 – Mar 19 | Sep 9 – Sep 23 |
| Potatoes | — | — | Feb 19 – Mar 12 | — |
| Swiss Chard | — | — | Feb 26 – Mar 26 | Sep 9 – Sep 23 |
| Cilantro | — | — | Feb 26 – Mar 19 | Sep 23 – Oct 14 |
| Green Beans | — | — | Mar 19 – Apr 9 | Sep 2 – Sep 16 |
| Sweet Corn | — | — | Mar 19 – Apr 2 | — |
| Sweet Potatoes | — | Mar 26 – Apr 16 | — | — |
| Garlic | — | — | — | Nov 4 – Dec 9 |
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 Covington 4 Nnw, LA weather station, 19 km away (elevation 39 ft (12 m)).
ZIP codes in Mandeville: 70448 70470 70471
Frost dates near Mandeville
- Lacombe Mar 3 · Nov 21
- Abita Springs Mar 12 · Nov 18
- Madisonville Mar 12 · Nov 18
- Covington Mar 12 · Nov 18
- Saint Benedict Mar 12 · Nov 18
- Talisheek Mar 9 · Nov 18
- Slidell Mar 3 · Nov 21
- Pearl River Mar 3 · Nov 21
Frequently asked questions
When is the last frost in Mandeville, LA?
The median last spring frost in Mandeville, LA is March 12. There is still about a 10% chance of frost after April 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mandeville, LA?
The median first fall frost is November 18, with about a 10% chance of frost before November 1.
How long is the growing season in Mandeville, LA?
About 251 days between the median last spring frost and first fall frost.
What planting zone is Mandeville, LA?
Mandeville, LA is in USDA hardiness zone 9a.