Holly Springs, GA planting zone & frost dates

Holly Springs is in USDA hardiness zone 8a. The last spring frost usually comes around April 2 and the first fall frost around November 4, for a growing season of about 215 days.

USDA hardiness zone8aavg. extreme winter low 10°F to 15°F

Average last spring frostApril 290% chance of no frost after April 19

Average first fall frostNovember 410% chance of frost by October 21

Growing season215 daysfrost-free days in an average year

Planting calendar for Holly Springs

Dates are counted from the average last spring frost (April 2) 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: Feb 5 – Feb 19 Transplant outdoors: Apr 9 – Apr 16
Peppers	Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23
Eggplant	Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23
Broccoli	Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19
Cabbage	Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19
Onions (sets)	Plant outdoors: Mar 5 – Mar 19
Peas	Sow outdoors: Feb 19 – Mar 5
Spinach	Sow outdoors: Feb 19 – Mar 5
Lettuce	Sow outdoors: Mar 5 – Mar 19
Carrots	Sow outdoors: Mar 5 – Mar 19
Potatoes	Plant outdoors: Mar 5 – Mar 19
Beans	Sow outdoors: Apr 9 – Apr 16
Sweet corn	Sow outdoors: Apr 9 – Apr 16
Cucumbers	Sow outdoors: Apr 9 – Apr 16
Squash & zucchini	Sow outdoors: Apr 9 – Apr 16
Basil	Start seeds indoors: Feb 19 – Mar 5 Transplant outdoors: Apr 9 – Apr 16

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 9 (8 weeks before the average first fall frost on Nov 4).

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 14	Apr 2	Apr 19
First 32°F frost in fall is before	Nov 21	Nov 4	Oct 21

How to read it: in spring there is a 10% chance of a frost after April 19, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 21. A hard freeze (28°F) usually ends around March 20.

Hardiness zone by ZIP code in Holly Springs

30142 zone 8a

Nearby cities

Canton zone 8a, last frost Apr 2
Woodstock zone 8a, last frost Apr 2
Kennesaw zone 8a, last frost Apr 2
Milton zone 8a, last frost Apr 4
Roswell zone 8a, last frost Mar 25
Acworth zone 8a, last frost Apr 2
Marietta zone 8a, last frost Mar 27
Alpharetta zone 8a, last frost Mar 25

All cities in Georgia → · Other zone 8a cities →

Questions

What growing zone is Holly Springs, GA?

Holly Springs is in USDA Plant Hardiness Zone 8a (average extreme winter low 10°F to 15°F), according to the USDA 2023 map.

When is the last frost in Holly Springs?

The average last spring frost (32°F) in Holly Springs is April 2. There is still a 10% chance of frost until April 19.

When can I plant tomatoes in Holly Springs?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 9 – Apr 16. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Allatoona Dam 2, GA (USC00090181), 21.1 km (13.1 mi) from the city center, elevation 297 m, based on 25 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.