Jarreau, LA frost dates
Last spring frostFeb 19median date
First fall frostDec 5median date
Growing season289 daysfrost-free
Hardiness zone9aZone 9a
How Jarreau compares
- In 8 years out of 10, the last spring frost in Jarreau falls between January 21 and March 14, a 52-day window. The first fall frost falls between November 15 and January 4.
- The median last frost is 12 days earlier than the Louisiana median of Mar 3.
- Its 289-day growing season is longer than 93% of the 388 Louisiana places with a regular frost season (state median 266 days).
- The last frost is 12 days earlier 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 19 nights a year at or below 32°F.
- Compared with Baton Rouge, LA, 36 km away, the last frost here is 6 days earlier than there and the growing season is 15 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 21 |
| 50% (median) | February 19 |
| 10% (safe for tender plants) | March 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 15 |
| 50% (median) | December 5 |
| 90% (late) | January 4 |
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 Jarreau, LA
Jarreau, LA frost dates — last frost Feb 19, first frost Dec 5, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Nov 27 to Dec 11Transplant outside: Jan 22 to Feb 5
Start indoors: Dec 11 to Dec 25Transplant outside: Mar 5 to Mar 19
Start indoors: Dec 11 to Dec 25Transplant outside: Mar 5 to Mar 19
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Feb 26 to Mar 12
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Jan 29 to Feb 12Sow outdoors: Jan 22 to Feb 26Plant for fall: Oct 10 to Nov 7
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Jan 22 to Feb 5Sow outdoors: Jan 22 to Feb 5Plant for fall: Sep 26 to Oct 17
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Feb 5 to Feb 19Plant for fall: Aug 29 to Sep 19
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Jan 29 to Feb 12Plant for fall: Aug 29 to Sep 19
Start indoors: Dec 25 to Jan 8Start indoors: Dec 25 to Jan 8Transplant outside: Feb 5 to Feb 19Plant for fall: Aug 29 to Sep 19
Start indoors: Jan 8 to Jan 22Transplant outside: Mar 12 to Mar 26Sow outdoors: Mar 12 to Mar 26
Start indoors: Jan 8 to Jan 22Transplant outside: Feb 26 to Mar 12
Sow outdoors: Jan 8 to Jan 29Plant for fall: Sep 12 to Oct 3
Sow outdoors: Jan 8 to Jan 29Plant for fall: Oct 10 to Oct 31
Sow outdoors: Jan 15 to Feb 26Plant for fall: Oct 24 to Nov 14
Start indoors: Jan 22 to Jan 29Transplant outside: Mar 5 to Mar 12Sow outdoors: Feb 26 to Mar 12Plant for fall: Sep 19 to Oct 3
Start indoors: Jan 22 to Jan 29Sow outdoors: Feb 26 to Mar 12Plant for fall: Sep 26 to Oct 10
Start indoors: Jan 22 to Jan 29Sow outdoors: Feb 26 to Mar 12
Start indoors: Jan 22 to Jan 29Transplant outside: Mar 5 to Mar 19
Sow outdoors: Jan 29 to Feb 26Plant for fall: Sep 12 to Sep 26
Sow outdoors: Jan 29 to Feb 26Plant for fall: Sep 26 to Oct 10
Sow outdoors: Jan 29 to Feb 19
Sow outdoors: Feb 5 to Mar 5Plant for fall: Sep 26 to Oct 10
Sow outdoors: Feb 5 to Feb 26Plant for fall: Oct 10 to Oct 31
Sow outdoors: Feb 26 to Mar 19Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 26 to Mar 12
Transplant outside: Mar 5 to Mar 26
Plant for fall: Nov 21 to Dec 26
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Jarreau, LA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 27 – Dec 11 | Jan 22 – Feb 5 | — | — |
| Peppers | Dec 11 – Dec 25 | Mar 5 – Mar 19 | — | — |
| Eggplant | Dec 11 – Dec 25 | Mar 5 – Mar 19 | — | — |
| Tomatoes | Dec 25 – Jan 8 | Feb 26 – Mar 12 | — | — |
| Lettuce | Dec 25 – Jan 8 | Jan 29 – Feb 12 | Jan 22 – Feb 26 | Oct 10 – Nov 7 |
| Kale | Dec 25 – Jan 8 | Jan 22 – Feb 5 | Jan 22 – Feb 5 | Sep 26 – Oct 17 |
| Broccoli | Dec 25 – Jan 8 | Feb 5 – Feb 19 | — | Aug 29 – Sep 19 |
| Cabbage | Dec 25 – Jan 8 | Jan 29 – Feb 12 | — | Aug 29 – Sep 19 |
| Cauliflower | Dec 25 – Jan 8 | Feb 5 – Feb 19 | — | Aug 29 – Sep 19 |
| Okra | Jan 8 – Jan 22 | Mar 12 – Mar 26 | Mar 12 – Mar 26 | — |
| Basil | Jan 8 – Jan 22 | Feb 26 – Mar 12 | — | — |
| Peas | — | — | Jan 8 – Jan 29 | Sep 12 – Oct 3 |
| Spinach | — | — | Jan 8 – Jan 29 | Oct 10 – Oct 31 |
| Radishes | — | — | Jan 15 – Feb 26 | Oct 24 – Nov 14 |
| Cucumbers | Jan 22 – Jan 29 | Mar 5 – Mar 12 | Feb 26 – Mar 12 | Sep 19 – Oct 3 |
| Zucchini & Summer Squash | Jan 22 – Jan 29 | — | Feb 26 – Mar 12 | Sep 26 – Oct 10 |
| Winter Squash & Pumpkins | Jan 22 – Jan 29 | — | Feb 26 – Mar 12 | — |
| Melons & Watermelon | Jan 22 – Jan 29 | Mar 5 – Mar 19 | — | — |
| Carrots | — | — | Jan 29 – Feb 26 | Sep 12 – Sep 26 |
| Beets | — | — | Jan 29 – Feb 26 | Sep 26 – Oct 10 |
| Potatoes | — | — | Jan 29 – Feb 19 | — |
| Swiss Chard | — | — | Feb 5 – Mar 5 | Sep 26 – Oct 10 |
| Cilantro | — | — | Feb 5 – Feb 26 | Oct 10 – Oct 31 |
| Green Beans | — | — | Feb 26 – Mar 19 | Sep 19 – Oct 3 |
| Sweet Corn | — | — | Feb 26 – Mar 12 | — |
| Sweet Potatoes | — | Mar 5 – Mar 26 | — | — |
| Garlic | — | — | — | Nov 21 – Dec 26 |
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 New Roads 5 Ne, LA weather station, 12 km away (elevation 46 ft (14 m)).
Frost dates near Jarreau
- Oscar Feb 19 · Dec 5
- Rougon Feb 19 · Dec 5
- Lakeland Feb 19 · Dec 5
- Ventress Feb 19 · Dec 5
- New Roads Feb 19 · Dec 5
- Glynn Feb 19 · Dec 5
- Erwinville Feb 19 · Dec 5
- Livonia Feb 19 · Dec 5
- Fordoche Feb 19 · Dec 5
- Morganza Feb 19 · Dec 5
Frequently asked questions
When is the last frost in Jarreau, LA?
The median last spring frost in Jarreau, LA is February 19. There is still about a 10% chance of frost after March 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jarreau, LA?
The median first fall frost is December 5, with about a 10% chance of frost before November 15.
How long is the growing season in Jarreau, LA?
About 289 days between the median last spring frost and first fall frost.
What planting zone is Jarreau, LA?
Jarreau, LA is in USDA hardiness zone 9a.