When is the last frost in Spartanburg, SC?

The average last spring frost (50% probability of 32°F) in Spartanburg is around April 8, based on NOAA/NCEI 1991–2020 normals at the Spartanburg 3 Sse, SC station (6 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Spartanburg?

The average first fall frost in Spartanburg, SC is around November 1, giving roughly a 206-day frost-free growing season.

What planting zone is Spartanburg, SC?

Spartanburg is in USDA plant hardiness zone 8a (average annual extreme minimum temperature 10 to 15°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Spartanburg?

In Spartanburg, SC the warmest month is July (avg high 90.1°F) and the coldest is January (avg low 31.5°F). It averages about 50.2″ of precipitation a year and 0.8″ of snow.

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Spartanburg, SC Planting Calendar & Frost Dates

USDA hardiness zone 8a · ZIP 29301 · elevation 186′ · NOAA & USDA data

Spartanburg is in USDA hardiness zone 8a (winters can dip to 10 to 15°F), with a growing season of about 206 days between the average last spring frost (April 8) and first fall frost (November 1). The warmest month is July (avg high 90.1°F); the coldest is January (avg low 31.5°F). It averages 50.2″ of precipitation a year and 0.8″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 10 to 15°F

Last spring frost

April 8

avg (50% prob, 32°F)

First fall frost

November 1

avg (50% prob, 32°F)

Growing season

206 days

frost-free window

Warmest month

July

avg high 90.1°F

Month-by-month typical weather in Spartanburg

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Spartanburg 3 Sse, SC (6 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	54.1	31.5	42.8	4.3	0.4
February	58.5	33.8	46.1	3.8	0
March	66	39.8	52.9	4.8	0.2
April	74.8	47.3	61.1	4.3	0
May	81	56	68.5	3.9	0
June	87	64.6	75.8	4.6	0
July	90.1	68.6	79.3	4	0
August	88.3	67.8	78.1	4.6	0
September	83.4	61.6	72.5	3.7	0
October	74.4	49	61.7	3.9	0
November	63.8	38.4	51.1	3.7	0
December	55.8	33.6	44.7	4.7	0.2

What to plant when in Spartanburg

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: February 25 · Transplant out: April 15
Peppers	warm	Start seeds indoors: February 11 · Transplant out: April 22
Cucumbers	warm	Direct sow: April 15
Zucchini / squash	warm	Direct sow: April 15
Bush beans	warm	Direct sow: April 15
Sweet corn	warm	Direct sow: April 15
Basil	warm	Transplant out: April 15
Peas	cool	Sow (spring): March 4 · Sow (fall): September 6
Spinach	cool	Sow (spring): February 25 · Sow (fall): September 6
Lettuce	cool	Sow (spring): March 11 · Sow (fall): September 6
Kale	cool	Transplant (spring): March 18 · Sow (fall): August 23
Broccoli	cool	Transplant (spring): March 25
Carrots	cool	Sow (spring): March 18 · Sow (fall): August 23
Onions	cool	Transplant (spring): March 11
Potatoes	cool	Plant seed potatoes: March 25
Radishes	cool	Sow (spring): March 11 · Sow (fall): September 20

Dates are computed from Spartanburg's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in South Carolina

Greenville, SC Rock Hill, SC Columbia, SC Sumter, SC Florence, SC Summerville, SC North Charleston, SC Goose Creek, SC

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Spartanburg 3 Sse, SC, 6 mi (confidence: high). Monthly weather normals: Spartanburg 3 Sse, SC, 6 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.