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

Planting zone for 29675 — Richland, SC

ZIP code 29675 (Richland, Oconee County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is April 11 and the first fall frost October 30.

Where ZIP 29675 is

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 11
First frostOct 30
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 Richland, 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 Richland, SC

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 11median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostOctober 30median — 10% chance by Oct 17
Growing season203 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 30 and returns around November 9.

From the NOAA station Walhalla, SC — within 1 mile, elevation 981 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 29675

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 28 – Mar 14
SpinachSow outdoors · Feb 28 – Mar 21
Broccoli, cabbageStart indoors · Jan 31 – Feb 14
Broccoli, cabbageTransplant · Mar 21 – Apr 4
Onion setsPlant outdoors · Mar 14 – Mar 28
PotatoesPlant outdoors · Mar 21 – Apr 4
LettuceSow outdoors · Mar 14 – Mar 28
Carrots, beetsSow outdoors · Mar 21 – Apr 4
TomatoesStart indoors · Feb 14 – Feb 28
TomatoesTransplant · Apr 18 – May 2
Peppers, eggplantStart indoors · Jan 31 – Feb 14
Peppers, eggplantTransplant · Apr 25 – May 9
BeansSow outdoors · Apr 18 – May 2
Sweet cornSow outdoors · Apr 18 – May 2
Cucumbers, squashSow outdoors · Apr 18 – May 2
Fall lettuce, spinachSow outdoors · Sep 4 – Sep 18
GarlicPlant cloves · Oct 16 – Nov 20
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 11) and first fall frost (Oct 30) 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 29675 came on Feb 18 — 4 days later than the 1991–2020 average (Feb 14).

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 Richland, SC

The soil mapped at the center of ZIP 29675 is Pacolet — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH5.5moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.5%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Lloyd clay loam, 15 to 35 percent slopes, severely eroded.

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 29675; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Richland, SC

Summer high89 °Faverage high, July
Winter low29 °Faverage low, January
Hot days44days a year at 90 °F or more
Freezing nights79nights a year at 32 °F or less
Growing degree days4,422base 50 °F — the season’s usable heat
Longest day14 h 29 mindaylight on June 21
Shortest day9 h 49 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation61.1 inper year, rain and melted snow
Snowfall2 inper year; 1 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 52 °F, low 29 °F 52°29° JanFebruary: average high 56 °F, low 31 °F 56°31° FebMarch: average high 63 °F, low 37 °F 63°37° MarApril: average high 72 °F, low 45 °F 72°45° AprMay: average high 79 °F, low 55 °F 79°55° MayJune: average high 85 °F, low 63 °F 85°63° JunJuly: average high 89 °F, low 67 °F 89°67° JulAugust: average high 87 °F, low 66 °F 87°66° AugSeptember: average high 82 °F, low 60 °F 82°60° SepOctober: average high 72 °F, low 48 °F 72°48° OctNovember: average high 62 °F, low 37 °F 62°37° NovDecember: average high 54 °F, low 32 °F 54°32° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 5.43 in precipitation, 0.8 in snowfall 5.4❄1 JanFebruary: 4.78 in precipitation, 0.7 in snowfall 4.8❄1 FebMarch: 5.17 in precipitation, 0.2 in snowfall 5.2 MarApril: 4.75 in precipitation 4.8 AprMay: 4.79 in precipitation 4.8 MayJune: 5.25 in precipitation 5.3 JunJuly: 4.93 in precipitation 4.9 JulAugust: 6.17 in precipitation 6.2 AugSeptember: 4.89 in precipitation 4.9 SepOctober: 4.60 in precipitation 4.6 OctNovember: 4.54 in precipitation 4.5 NovDecember: 5.80 in precipitation, 0.5 in snowfall 5.8❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Walhalla, SC (within 1 mile); precipitation: Walhalla, SC (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

296918a
Walhalla, SC · 1 mi
296968a
West Union, SC · 5 mi
296648a
Mountain Rest, SC · 8 mi
296728a
Seneca, SC · 9 mi
296938a
Westminster, SC · 9 mi
296798a
Seneca, SC · 9 mi
296658b
Newry, SC · 10 mi
296588a
Long Creek, SC · 12 mi

South Carolina planting zones →

Questions about 29675

What planting zone is ZIP code 29675?

ZIP code 29675 (Richland, 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 Richland, SC?

The median last spring frost (32 °F) near 29675 is April 11; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Walhalla station.

When is the first frost in Richland, SC?

The median first fall frost near 29675 is October 30, giving a median frost-free growing season of 203 days.

When should I plant tomatoes in 29675?

Start tomato seeds indoors around Feb 14 – Feb 28 and set transplants outside around Apr 18 – May 2, one to three weeks after the median last frost.

How much rain and snow does 29675 get?

About 61.1 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Walhalla station).

How hot do summers get in Richland, SC?

The average high peaks at 89 °F in July, with about 44 days a year at 90 °F or more.

What kind of soil does 29675 have?

The USDA soil survey maps Pacolet at the center of ZIP 29675: clay loam, well drained, pH about 5.5 (moderately acidic).

Did spring come early in Richland, SC in 2026?

Spring leaf-out near 29675 came on Feb 18 in 2026, 4 days later than the 1991–2020 average (Feb 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Richland, SC?

Intermediate onions: the longest day near 29675 is 14 h 29 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 29675 change?

Yes. The 2012 USDA map put 29675 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.