Bossier City, LA planting zone & frost dates
Bossier City is in USDA hardiness zone 8b. The last spring frost usually comes around February 28 and the first fall frost around November 24, for a growing season of about 268 days.
Planting calendar for Bossier City
Dates are counted from the average last spring frost (February 28) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Jan 3 – Jan 17 Transplant outdoors: Mar 7 – Mar 14 |
| Peppers | Start seeds indoors: Dec 20 – Jan 3 Transplant outdoors: Mar 14 – Mar 21 |
| Eggplant | Start seeds indoors: Dec 20 – Jan 3 Transplant outdoors: Mar 14 – Mar 21 |
| Broccoli | Start seeds indoors: Dec 20 – Jan 3 Transplant outdoors: Jan 31 – Feb 14 |
| Cabbage | Start seeds indoors: Dec 20 – Jan 3 Transplant outdoors: Jan 31 – Feb 14 |
| Onions (sets) | Plant outdoors: Jan 31 – Feb 14 |
| Peas | Sow outdoors: Jan 17 – Jan 31 |
| Spinach | Sow outdoors: Jan 17 – Jan 31 |
| Lettuce | Sow outdoors: Jan 31 – Feb 14 |
| Carrots | Sow outdoors: Jan 31 – Feb 14 |
| Potatoes | Plant outdoors: Jan 31 – Feb 14 |
| Beans | Sow outdoors: Mar 7 – Mar 14 |
| Sweet corn | Sow outdoors: Mar 7 – Mar 14 |
| Cucumbers | Sow outdoors: Mar 7 – Mar 14 |
| Squash & zucchini | Sow outdoors: Mar 7 – Mar 14 |
| Basil | Start seeds indoors: Jan 17 – Jan 31 Transplant outdoors: Mar 7 – Mar 14 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 29 (8 weeks before the average first fall frost on Nov 24).
Useful for zone 8b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Feb 4 | Feb 28 | Mar 19 |
| First 32°F frost in fall is before | Dec 14 | Nov 24 | Nov 7 |
How to read it: in spring there is a 10% chance of a frost after March 19, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 7. A hard freeze (28°F) usually ends around February 11.
Hardiness zone by ZIP code in Bossier City
- 71111 zone 8b
- 71112 zone 8b
- 71113 zone 8b
- 71171 zone 8b
- 71172 zone 8b
Nearby cities
- Shreveport zone 8b, last frost Feb 28
- Minden zone 8b, last frost Mar 17
- Natchitoches zone 9a, last frost Feb 28
- Ruston zone 8b, last frost Mar 11
- Claiborne zone 8b, last frost Mar 8
- West Monroe zone 8b, last frost Mar 8
- Monroe zone 8b, last frost Mar 8
- DeRidder zone 9a, last frost Mar 1
Questions
What growing zone is Bossier City, LA?
Bossier City is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.
When is the last frost in Bossier City?
The average last spring frost (32°F) in Bossier City is February 28. There is still a 10% chance of frost until March 19.
When can I plant tomatoes in Bossier City?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 7 – Mar 14. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Shreveport Dwtn Ap, LA (USW00053905), 3.2 km (2.0 mi) from the city center, elevation 55 m, based on 23 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.