Florence, AL planting zone & frost dates
Florence is in USDA hardiness zone 8a. The last spring frost usually comes around March 27 and the first fall frost around November 3, for a growing season of about 220 days.
Planting calendar for Florence
Dates are counted from the average last spring frost (March 27) 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 30 – Feb 13 Transplant outdoors: Apr 3 – Apr 10 |
| Peppers | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Apr 10 – Apr 17 |
| Eggplant | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Apr 10 – Apr 17 |
| Broccoli | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Feb 27 – Mar 13 |
| Cabbage | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Feb 27 – Mar 13 |
| Onions (sets) | Plant outdoors: Feb 27 – Mar 13 |
| Peas | Sow outdoors: Feb 13 – Feb 27 |
| Spinach | Sow outdoors: Feb 13 – Feb 27 |
| Lettuce | Sow outdoors: Feb 27 – Mar 13 |
| Carrots | Sow outdoors: Feb 27 – Mar 13 |
| Potatoes | Plant outdoors: Feb 27 – Mar 13 |
| Beans | Sow outdoors: Apr 3 – Apr 10 |
| Sweet corn | Sow outdoors: Apr 3 – Apr 10 |
| Cucumbers | Sow outdoors: Apr 3 – Apr 10 |
| Squash & zucchini | Sow outdoors: Apr 3 – Apr 10 |
| Basil | Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: Apr 3 – Apr 10 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 8 (8 weeks before the average first fall frost on Nov 3).
Useful for zone 8a 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 | Mar 7 | Mar 27 | Apr 13 |
| First 32°F frost in fall is before | Nov 19 | Nov 3 | Oct 22 |
How to read it: in spring there is a 10% chance of a frost after April 13, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 22. A hard freeze (28°F) usually ends around March 12.
Hardiness zone by ZIP code in Florence
- 35630 zone 8a
- 35631 zone 8a
- 35632 zone 8a
- 35633 zone 8a
- 35634 zone 7b
Nearby cities
- East Florence zone 8a, last frost Mar 27
- Muscle Shoals zone 8a, last frost Mar 30
- Athens zone 8a, last frost Mar 20
- Decatur zone 8a, last frost Mar 26
- Hartselle zone 8a, last frost Mar 26
- Madison zone 8a, last frost Mar 24
- Cullman zone 8a, last frost Mar 31
- Jasper zone 8a, last frost Mar 30
Questions
What growing zone is Florence, AL?
Florence is in USDA Plant Hardiness Zone 8a (average extreme winter low 10°F to 15°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 7b.
When is the last frost in Florence?
The average last spring frost (32°F) in Florence is March 27. There is still a 10% chance of frost until April 13.
When can I plant tomatoes in Florence?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 3 – Apr 10. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Muscle Shoals 2 N, AL (USW00063894), 4.5 km (2.8 mi) from the city center, elevation 162 m, based on 14 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.