Dothan, AL planting zone & frost dates
Dothan is in USDA hardiness zone 9a. The last spring frost usually comes around March 1 and the first fall frost around November 24, for a growing season of about 270 days.
Planting calendar for Dothan
Dates are counted from the average last spring frost (March 1) 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 4 – Jan 18 Transplant outdoors: Mar 8 – Mar 15 |
| Peppers | Start seeds indoors: Dec 21 – Jan 4 Transplant outdoors: Mar 15 – Mar 22 |
| Eggplant | Start seeds indoors: Dec 21 – Jan 4 Transplant outdoors: Mar 15 – Mar 22 |
| Broccoli | Start seeds indoors: Dec 21 – Jan 4 Transplant outdoors: Feb 1 – Feb 15 |
| Cabbage | Start seeds indoors: Dec 21 – Jan 4 Transplant outdoors: Feb 1 – Feb 15 |
| Onions (sets) | Plant outdoors: Feb 1 – Feb 15 |
| Peas | Sow outdoors: Jan 18 – Feb 1 |
| Spinach | Sow outdoors: Jan 18 – Feb 1 |
| Lettuce | Sow outdoors: Feb 1 – Feb 15 |
| Carrots | Sow outdoors: Feb 1 – Feb 15 |
| Potatoes | Plant outdoors: Feb 1 – Feb 15 |
| Beans | Sow outdoors: Mar 8 – Mar 15 |
| Sweet corn | Sow outdoors: Mar 8 – Mar 15 |
| Cucumbers | Sow outdoors: Mar 8 – Mar 15 |
| Squash & zucchini | Sow outdoors: Mar 8 – Mar 15 |
| Basil | Start seeds indoors: Jan 18 – Feb 1 Transplant outdoors: Mar 8 – Mar 15 |
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 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 3 | Mar 1 | Mar 21 |
| First 32°F frost in fall is before | Dec 24 | Nov 24 | Nov 7 |
How to read it: in spring there is a 10% chance of a frost after March 21, 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 12.
Hardiness zone by ZIP code in Dothan
- 36301 zone 9a
- 36302 zone 9a
- 36303 zone 9a
- 36304 zone 9a
- 36305 zone 9a
Nearby cities
- Ozark zone 8b, last frost Mar 1
- Enterprise zone 8b, last frost Mar 9
- Eufaula zone 8b, last frost Mar 13
- Troy zone 8b, last frost Mar 10
- Phenix City zone 8b, last frost Mar 5
- Auburn zone 8b, last frost Mar 13
- Opelika zone 8a, last frost Mar 29
- Montgomery zone 8b, last frost Mar 13
Questions
What growing zone is Dothan, AL?
Dothan 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 Dothan?
The average last spring frost (32°F) in Dothan is March 1. There is still a 10% chance of frost until March 21.
When can I plant tomatoes in Dothan?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 8 – Mar 15. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Dothan Rgnl Ap, AL (USW00013839), 12.3 km (7.6 mi) from the city center, elevation 113 m, based on 17 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.