Carriere, MS planting zone & frost dates
Carriere is in USDA hardiness zone 9a. The last spring frost usually comes around March 9 and the first fall frost around November 18, for a growing season of about 255 days.
Planting calendar for Carriere
Dates are counted from the average last spring frost (March 9) 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 12 – Jan 26 Transplant outdoors: Mar 16 – Mar 23 |
| Peppers | Start seeds indoors: Dec 29 – Jan 12 Transplant outdoors: Mar 23 – Mar 30 |
| Eggplant | Start seeds indoors: Dec 29 – Jan 12 Transplant outdoors: Mar 23 – Mar 30 |
| Broccoli | Start seeds indoors: Dec 29 – Jan 12 Transplant outdoors: Feb 9 – Feb 23 |
| Cabbage | Start seeds indoors: Dec 29 – Jan 12 Transplant outdoors: Feb 9 – Feb 23 |
| Onions (sets) | Plant outdoors: Feb 9 – Feb 23 |
| Peas | Sow outdoors: Jan 26 – Feb 9 |
| Spinach | Sow outdoors: Jan 26 – Feb 9 |
| Lettuce | Sow outdoors: Feb 9 – Feb 23 |
| Carrots | Sow outdoors: Feb 9 – Feb 23 |
| Potatoes | Plant outdoors: Feb 9 – Feb 23 |
| Beans | Sow outdoors: Mar 16 – Mar 23 |
| Sweet corn | Sow outdoors: Mar 16 – Mar 23 |
| Cucumbers | Sow outdoors: Mar 16 – Mar 23 |
| Squash & zucchini | Sow outdoors: Mar 16 – Mar 23 |
| Basil | Start seeds indoors: Jan 26 – Feb 9 Transplant outdoors: Mar 16 – Mar 23 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 23 (8 weeks before the average first fall frost on Nov 18).
Useful for zone 9a 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
- Shade cloth — for hot summers
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Feb 17 | Mar 9 | Mar 31 |
| First 32°F frost in fall is before | Dec 11 | Nov 18 | Nov 3 |
How to read it: in spring there is a 10% chance of a frost after March 31, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 3. A hard freeze (28°F) usually ends around February 24.
Hardiness zone by ZIP code in Carriere
- 39426 zone 9a
Nearby cities
- Picayune zone 9a, last frost Mar 9
- Long Beach zone 9a, last frost Feb 18
- West Gulfport zone 9a, last frost Feb 23
- Gulfport zone 9a, last frost Feb 18
- D'Iberville zone 9a, last frost Feb 12
- Hattiesburg zone 8b, last frost Mar 8
- Biloxi zone 9a, last frost Feb 12
- Petal zone 8b, last frost Mar 8
Questions
What growing zone is Carriere, MS?
Carriere is in USDA Plant Hardiness Zone 9a (average extreme winter low 20°F to 25°F), according to the USDA 2023 map.
When is the last frost in Carriere?
The average last spring frost (32°F) in Carriere is March 9. There is still a 10% chance of frost until March 31.
When can I plant tomatoes in Carriere?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 16 – Mar 23. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Picayune, MS (USC00226921), 10.3 km (6.4 mi) from the city center, elevation 20 m, based on 12 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.