Collinston, LA frost dates
Last spring frostMar 15median date
First fall frostNov 12median date
Growing season242 daysfrost-free
Hardiness zone8bZone 8b
How Collinston compares
- In 8 years out of 10, the last spring frost in Collinston falls between February 26 and April 3, a 36-day window. The first fall frost falls between October 29 and December 2.
- The median last frost is 12 days later than the Louisiana median of Mar 3.
- Its 242-day growing season is longer than 15% of the 388 Louisiana places with a regular frost season (state median 266 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 53 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 26 |
| 50% (median) | March 15 |
| 10% (safe for tender plants) | April 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 29 |
| 50% (median) | November 12 |
| 90% (late) | December 2 |
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 Collinston, LA
Collinston, LA frost dates — last frost Mar 15, first frost Nov 12, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 21 to Jan 4Start indoors: Dec 21 to Jan 4Transplant outside: Feb 15 to Mar 1
Start indoors: Jan 4 to Jan 18Transplant outside: Mar 29 to Apr 12
Start indoors: Jan 4 to Jan 18Transplant outside: Mar 29 to Apr 12
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 22 to Apr 5
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 22 to Mar 8Sow outdoors: Feb 15 to Mar 22Plant for fall: Sep 17 to Oct 15
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 15 to Mar 1Sow outdoors: Feb 15 to Mar 1Plant for fall: Sep 3 to Sep 24
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 1 to Mar 15Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 18 to Feb 1Transplant outside: Feb 22 to Mar 8Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 18 to Feb 1Transplant outside: Mar 1 to Mar 15Plant for fall: Aug 6 to Aug 27
Start indoors: Feb 1 to Feb 15Transplant outside: Apr 5 to Apr 19Sow outdoors: Apr 5 to Apr 19
Start indoors: Feb 1 to Feb 15Transplant outside: Mar 22 to Apr 5
Sow outdoors: Feb 1 to Feb 22Plant for fall: Aug 20 to Sep 10
Sow outdoors: Feb 1 to Feb 22Plant for fall: Sep 17 to Oct 8
Sow outdoors: Feb 8 to Mar 22Plant for fall: Oct 1 to Oct 22
Start indoors: Feb 15 to Feb 22Transplant outside: Mar 29 to Apr 5Sow outdoors: Mar 22 to Apr 5Plant for fall: Aug 27 to Sep 10
Start indoors: Feb 15 to Feb 22Sow outdoors: Mar 22 to Apr 5Plant for fall: Sep 3 to Sep 17
Start indoors: Feb 15 to Feb 22Sow outdoors: Mar 22 to Apr 5
Start indoors: Feb 15 to Feb 22Transplant outside: Mar 29 to Apr 12
Sow outdoors: Feb 22 to Mar 22Plant for fall: Aug 20 to Sep 3
Sow outdoors: Feb 22 to Mar 22Plant for fall: Sep 3 to Sep 17
Sow outdoors: Feb 22 to Mar 15
Sow outdoors: Mar 1 to Mar 29Plant for fall: Sep 3 to Sep 17
Sow outdoors: Mar 1 to Mar 22Plant for fall: Sep 17 to Oct 8
Sow outdoors: Mar 22 to Apr 12Plant for fall: Aug 27 to Sep 10
Sow outdoors: Mar 22 to Apr 5
Transplant outside: Mar 29 to Apr 19
Plant for fall: Oct 29 to Dec 3
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Collinston, LA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 21 – Jan 4 | Feb 15 – Mar 1 | — | — |
| Peppers | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Eggplant | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Tomatoes | Jan 18 – Feb 1 | Mar 22 – Apr 5 | — | — |
| Lettuce | Jan 18 – Feb 1 | Feb 22 – Mar 8 | Feb 15 – Mar 22 | Sep 17 – Oct 15 |
| Kale | Jan 18 – Feb 1 | Feb 15 – Mar 1 | Feb 15 – Mar 1 | Sep 3 – Sep 24 |
| Broccoli | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 18 – Feb 1 | Feb 22 – Mar 8 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 6 – Aug 27 |
| Okra | Feb 1 – Feb 15 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | — |
| Basil | Feb 1 – Feb 15 | Mar 22 – Apr 5 | — | — |
| Peas | — | — | Feb 1 – Feb 22 | Aug 20 – Sep 10 |
| Spinach | — | — | Feb 1 – Feb 22 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 8 – Mar 22 | Oct 1 – Oct 22 |
| Cucumbers | Feb 15 – Feb 22 | Mar 29 – Apr 5 | Mar 22 – Apr 5 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | — |
| Melons & Watermelon | Feb 15 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Carrots | — | — | Feb 22 – Mar 22 | Aug 20 – Sep 3 |
| Beets | — | — | Feb 22 – Mar 22 | Sep 3 – Sep 17 |
| Potatoes | — | — | Feb 22 – Mar 15 | — |
| Swiss Chard | — | — | Mar 1 – Mar 29 | Sep 3 – Sep 17 |
| Cilantro | — | — | Mar 1 – Mar 22 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 22 – Apr 12 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 22 – Apr 5 | — |
| Sweet Potatoes | — | Mar 29 – Apr 19 | — | — |
| 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 Bastrop, LA weather station, 6 km away (elevation 151 ft (46 m)).
Frost dates near Collinston
- Bastrop Mar 15 · Nov 12
- Mer Rouge Mar 15 · Nov 12
- Oak Ridge Feb 28 · Nov 26
- Fairbanks Mar 8 · Nov 15
- Sterlington Mar 15 · Nov 12
- Start Feb 28 · Nov 26
- Bonita Mar 15 · Nov 12
- Rayville Feb 28 · Nov 26
- Monroe Mar 8 · Nov 15
- Swartz Mar 8 · Nov 15
Frequently asked questions
When is the last frost in Collinston, LA?
The median last spring frost in Collinston, LA is March 15. 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 Collinston, LA?
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 Collinston, LA?
About 242 days between the median last spring frost and first fall frost.
What planting zone is Collinston, LA?
Collinston, LA is in USDA hardiness zone 8b.