Gilliam, LA frost dates
How Gilliam compares
- In 8 years out of 10, the last spring frost in Gilliam falls between February 15 and March 27, a 40-day window. The first fall frost falls between November 2 and December 9.
- The median last frost is 3 days later than the Louisiana median of Mar 3.
- Its 258-day growing season is longer than 42% of the 388 Louisiana places with a regular frost season (state median 266 days).
- The last frost is 10 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 35 nights a year at or below 32°F.
- Compared with Shreveport, LA, 31 km away, the last frost here is 6 days later than there and the growing season is 11 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 15 |
| 50% (median) | March 6 |
| 10% (safe for tender plants) | March 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 2 |
| 50% (median) | November 19 |
| 90% (late) | December 9 |
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 Gilliam, LA
Gilliam, LA frost dates — last frost Mar 6, first frost Nov 19, zone 8b. whenisthelastfrost.com
When to plant vegetables in Gilliam, LA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 12 – Dec 26 | Feb 6 – Feb 20 | — | — |
| Peppers | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Eggplant | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Tomatoes | Jan 9 – Jan 23 | Mar 13 – Mar 27 | — | — |
| Lettuce | Jan 9 – Jan 23 | Feb 13 – Feb 27 | Feb 6 – Mar 13 | Sep 24 – Oct 22 |
| Kale | Jan 9 – Jan 23 | Feb 6 – Feb 20 | Feb 6 – Feb 20 | Sep 10 – Oct 1 |
| Broccoli | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 13 – Sep 3 |
| Cabbage | Jan 9 – Jan 23 | Feb 13 – Feb 27 | — | Aug 13 – Sep 3 |
| Cauliflower | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 13 – Sep 3 |
| Okra | Jan 23 – Feb 6 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | — |
| Basil | Jan 23 – Feb 6 | Mar 13 – Mar 27 | — | — |
| Peas | — | — | Jan 23 – Feb 13 | Aug 27 – Sep 17 |
| Spinach | — | — | Jan 23 – Feb 13 | Sep 24 – Oct 15 |
| Radishes | — | — | Jan 30 – Mar 13 | Oct 8 – Oct 29 |
| Cucumbers | Feb 6 – Feb 13 | Mar 20 – Mar 27 | Mar 13 – Mar 27 | Sep 3 – Sep 17 |
| Zucchini & Summer Squash | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | Sep 10 – Sep 24 |
| Winter Squash & Pumpkins | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | — |
| Melons & Watermelon | Feb 6 – Feb 13 | Mar 20 – Apr 3 | — | — |
| Carrots | — | — | Feb 13 – Mar 13 | Aug 27 – Sep 10 |
| Beets | — | — | Feb 13 – Mar 13 | Sep 10 – Sep 24 |
| Potatoes | — | — | Feb 13 – Mar 6 | — |
| Swiss Chard | — | — | Feb 20 – Mar 20 | Sep 10 – Sep 24 |
| Cilantro | — | — | Feb 20 – Mar 13 | Sep 24 – Oct 15 |
| Green Beans | — | — | Mar 13 – Apr 3 | Sep 3 – Sep 17 |
| Sweet Corn | — | — | Mar 13 – Mar 27 | — |
| Sweet Potatoes | — | Mar 20 – Apr 10 | — | — |
| Garlic | — | — | — | Nov 5 – Dec 10 |
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 Mooringsport 1 N, LA weather station, 18 km away (elevation 200 ft (61 m)).
Frost dates near Gilliam
- Belcher Mar 6 · Nov 19
- Hosston Mar 6 · Nov 19
- Vivian Mar 6 · Nov 19
- Plain Dealing Mar 14 · Nov 14
- Oil City Mar 6 · Nov 19
- Benton Mar 14 · Nov 14
- Ida Mar 19 · Nov 11
- Rodessa Mar 19 · Nov 11
- Mooringsport Mar 6 · Nov 19
- Blanchard Feb 28 · Nov 24
Frequently asked questions
When is the last frost in Gilliam, LA?
The median last spring frost in Gilliam, LA is March 6. There is still about a 10% chance of frost after March 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Gilliam, LA?
The median first fall frost is November 19, with about a 10% chance of frost before November 2.
How long is the growing season in Gilliam, LA?
About 258 days between the median last spring frost and first fall frost.
What planting zone is Gilliam, LA?
Gilliam, LA is in USDA hardiness zone 8b.