Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 29683 — Slater, SC

ZIP code 29683 (Slater, Greenville County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 10 and the first fall frost November 2.

Where ZIP 29683 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostApr 10
First frostNov 2
2012 zone7b

Was 7b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Slater, SC…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Slater, SC

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 10median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostNovember 2median — 10% chance by Oct 22
Growing season206 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 30 and returns around November 12.

From the NOAA station Caesars Head, SC — 9 miles away, elevation 3,199 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 29683

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 27 – Mar 13
SpinachSow outdoors · Feb 27 – Mar 20
Broccoli, cabbageStart indoors · Jan 30 – Feb 13
Broccoli, cabbageTransplant · Mar 20 – Apr 3
Onion setsPlant outdoors · Mar 13 – Mar 27
PotatoesPlant outdoors · Mar 20 – Apr 3
LettuceSow outdoors · Mar 13 – Mar 27
Carrots, beetsSow outdoors · Mar 20 – Apr 3
TomatoesStart indoors · Feb 13 – Feb 27
TomatoesTransplant · Apr 17 – May 1
Peppers, eggplantStart indoors · Jan 30 – Feb 13
Peppers, eggplantTransplant · Apr 24 – May 8
BeansSow outdoors · Apr 17 – May 1
Sweet cornSow outdoors · Apr 17 – May 1
Cucumbers, squashSow outdoors · Apr 17 – May 1
Fall lettuce, spinachSow outdoors · Sep 7 – Sep 21
GarlicPlant cloves · Oct 19 – Nov 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 10) and first fall frost (Nov 2) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 29683 came on Feb 21 — 5 days later than the 1991–2020 average (Feb 16).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Slater, SC

The soil mapped at the center of ZIP 29683 is Brevard — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Brevard fine sandy loam, 6 to 10 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 29683; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Slater, SC

Summer high78 °Faverage high, July
Winter low28 °Faverage low, January
Hot days1days a year at 90 °F or more
Freezing nights78nights a year at 32 °F or less
Growing degree days3,132base 50 °F — the season’s usable heat
Longest day14 h 31 mindaylight on June 21
Shortest day9 h 48 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation58.6 inper year, rain and melted snow
Snowfall1 inper year; 1 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°32 °FJanuary: average high 45 °F, low 28 °F 45°28° JanFebruary: average high 48 °F, low 30 °F 48°30° FebMarch: average high 56 °F, low 37 °F 56°37° MarApril: average high 65 °F, low 44 °F 65°44° AprMay: average high 70 °F, low 53 °F 70°53° MayJune: average high 75 °F, low 60 °F 75°60° JunJuly: average high 78 °F, low 64 °F 78°64° JulAugust: average high 76 °F, low 63 °F 76°63° AugSeptember: average high 71 °F, low 58 °F 71°58° SepOctober: average high 63 °F, low 48 °F 63°48° OctNovember: average high 55 °F, low 38 °F 55°38° NovDecember: average high 48 °F, low 32 °F 48°32° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 5.16 in precipitation, 0.6 in snowfall 5.2❄1 JanFebruary: 4.50 in precipitation, 0.1 in snowfall 4.5 FebMarch: 4.97 in precipitation, 0.1 in snowfall 5.0 MarApril: 4.67 in precipitation 4.7 AprMay: 4.62 in precipitation 4.6 MayJune: 5.05 in precipitation 5.0 JunJuly: 5.30 in precipitation 5.3 JulAugust: 5.85 in precipitation 5.8 AugSeptember: 4.29 in precipitation 4.3 SepOctober: 4.19 in precipitation 4.2 OctNovember: 4.34 in precipitation 4.3 NovDecember: 5.71 in precipitation, 0.6 in snowfall 5.7❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Caesars Head, SC (9 mi away); precipitation: Cleveland 3s, SC (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

South Carolina planting zones →

Questions about 29683

What planting zone is ZIP code 29683?

ZIP code 29683 (Slater, SC) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Slater, SC?

The median last spring frost (32 °F) near 29683 is April 10; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Caesars Head station.

When is the first frost in Slater, SC?

The median first fall frost near 29683 is November 2, giving a median frost-free growing season of 206 days.

When should I plant tomatoes in 29683?

Start tomato seeds indoors around Feb 13 – Feb 27 and set transplants outside around Apr 17 – May 1, one to three weeks after the median last frost.

How much rain and snow does 29683 get?

About 58.6 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Cleveland 3s station).

How hot do summers get in Slater, SC?

The average high peaks at 78 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 29683 have?

The USDA soil survey maps Brevard at the center of ZIP 29683: fine sandy loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Slater, SC in 2026?

Spring leaf-out near 29683 came on Feb 21 in 2026, 5 days later than the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Slater, SC?

Intermediate onions: the longest day near 29683 is 14 h 31 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 29683 change?

Yes. The 2012 USDA map put 29683 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.