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

Planting zone for 29569 — Loris, SC

ZIP code 29569 (Loris, Horry County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 15 and the first fall frost November 22.

Where ZIP 29569 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 15
First frostNov 22
2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Loris, 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 Loris, SC

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 15median — 50% chance of a later frost
Safe for tender plantsApril 1only 10% chance of frost after
First fall frostNovember 22median — 10% chance by Nov 5
Growing season254 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 28 and returns around December 7.

From the NOAA station Conway, SC — 16 miles away, elevation 20 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 29569

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 1 – Feb 15
SpinachSow outdoors · Feb 1 – Feb 22
Broccoli, cabbageStart indoors · Jan 4 – Jan 18
Broccoli, cabbageTransplant · Feb 22 – Mar 8
Onion setsPlant outdoors · Feb 15 – Mar 1
PotatoesPlant outdoors · Feb 22 – Mar 8
LettuceSow outdoors · Feb 15 – Mar 1
Carrots, beetsSow outdoors · Feb 22 – Mar 8
TomatoesStart indoors · Jan 18 – Feb 1
TomatoesTransplant · Mar 22 – Apr 5
Peppers, eggplantStart indoors · Jan 4 – Jan 18
Peppers, eggplantTransplant · Mar 29 – Apr 12
BeansSow outdoors · Mar 22 – Apr 5
Sweet cornSow outdoors · Mar 22 – Apr 5
Cucumbers, squashSow outdoors · Mar 22 – Apr 5
Fall lettuce, spinachSow outdoors · Sep 27 – Oct 11
GarlicPlant cloves · Nov 8 – Dec 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 15) and first fall frost (Nov 22) 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 29569 came on Feb 17 — 10 days later than the 1991–2020 average (Feb 7).

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 Loris, SC

The soil mapped at the center of ZIP 29569 is Nansemond — loamy fine sand, moderately well drained.

TextureLoamy fine sanddrains and warms fast; dries out and needs more feeding
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classprime farmlandUSDA classification

Map unit: Nansemond loamy fine sand, 0 to 2 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 29569; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Loris, SC

Summer high91 °Faverage high, July
Winter low35 °Faverage low, January
Hot days58days a year at 90 °F or more
Freezing nights39nights a year at 32 °F or less
Growing degree days5,813base 50 °F — the season’s usable heat
Longest day14 h 25 mindaylight on June 21
Shortest day9 h 53 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation52.8 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 58 °F, low 35 °F 58°35° JanFebruary: average high 61 °F, low 38 °F 61°38° FebMarch: average high 68 °F, low 44 °F 68°44° MarApril: average high 76 °F, low 52 °F 76°52° AprMay: average high 83 °F, low 61 °F 83°61° MayJune: average high 88 °F, low 69 °F 88°69° JunJuly: average high 91 °F, low 72 °F 91°72° JulAugust: average high 89 °F, low 71 °F 89°71° AugSeptember: average high 85 °F, low 66 °F 85°66° SepOctober: average high 77 °F, low 55 °F 77°55° OctNovember: average high 68 °F, low 44 °F 68°44° NovDecember: average high 61 °F, low 39 °F 61°39° Dec

Precipitation by month inches

0″2″4″6″8″January: 3.64 in precipitation 3.6 JanFebruary: 3.43 in precipitation 3.4 FebMarch: 3.62 in precipitation 3.6 MarApril: 3.40 in precipitation 3.4 AprMay: 3.80 in precipitation 3.8 MayJune: 4.56 in precipitation 4.6 JunJuly: 5.21 in precipitation 5.2 JulAugust: 6.41 in precipitation 6.4 AugSeptember: 7.19 in precipitation 7.2 SepOctober: 4.45 in precipitation 4.5 OctNovember: 3.65 in precipitation 3.6 NovDecember: 3.48 in precipitation 3.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Conway, SC (16 mi away); precipitation: Loris 2.9 Wsw, SC (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

295288b
Conway, SC · 7 mi
284638b
Tabor City, NC · 9 mi
295458b
Green Sea, SC · 10 mi
295268b
Conway, SC · 12 mi
295688b
Longs, SC · 12 mi
295118b
Aynor, SC · 13 mi
284328b
Clarendon, NC · 13 mi
295818b
Nichols, SC · 16 mi

South Carolina planting zones →

Questions about 29569

What planting zone is ZIP code 29569?

ZIP code 29569 (Loris, SC) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Loris, SC?

The median last spring frost (32 °F) near 29569 is March 15; after April 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Conway station.

When is the first frost in Loris, SC?

The median first fall frost near 29569 is November 22, giving a median frost-free growing season of 254 days.

When should I plant tomatoes in 29569?

Start tomato seeds indoors around Jan 18 – Feb 1 and set transplants outside around Mar 22 – Apr 5, one to three weeks after the median last frost.

How much rain and snow does 29569 get?

About 52.8 inches of precipitation a year (NOAA 1991–2020 normals, Loris 2.9 Wsw station).

How hot do summers get in Loris, SC?

The average high peaks at 91 °F in July, with about 58 days a year at 90 °F or more.

What kind of soil does 29569 have?

The USDA soil survey maps Nansemond at the center of ZIP 29569: loamy fine sand, moderately well drained, pH about 4.6 (strongly acidic).

Did spring come early in Loris, SC in 2026?

Spring leaf-out near 29569 came on Feb 17 in 2026, 10 days later than the 1991–2020 average (Feb 7), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Loris, SC?

Intermediate onions: the longest day near 29569 is 14 h 25 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 29569 change?

Yes. The 2012 USDA map put 29569 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.