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

Planting zone for 45669 — Proctorville, OH

ZIP code 45669 (Proctorville, Lawrence County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 8 and the first fall frost November 1.

Where ZIP 45669 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 8
First frostNov 1
2012 zone6b

Was 6b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Proctorville, OH…

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 Proctorville, OH

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 8median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 19
Growing season205 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 28 and returns around November 11.

From the NOAA station Pea Ridge Psd, WV — 6 miles away, elevation 584 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 45669

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 25 – Mar 11
SpinachSow outdoors · Feb 25 – Mar 18
Broccoli, cabbageStart indoors · Jan 28 – Feb 11
Broccoli, cabbageTransplant · Mar 18 – Apr 1
Onion setsPlant outdoors · Mar 11 – Mar 25
PotatoesPlant outdoors · Mar 18 – Apr 1
LettuceSow outdoors · Mar 11 – Mar 25
Carrots, beetsSow outdoors · Mar 18 – Apr 1
TomatoesStart indoors · Feb 11 – Feb 25
TomatoesTransplant · Apr 15 – Apr 29
Peppers, eggplantStart indoors · Jan 28 – Feb 11
Peppers, eggplantTransplant · Apr 22 – May 6
BeansSow outdoors · Apr 15 – Apr 29
Sweet cornSow outdoors · Apr 15 – Apr 29
Cucumbers, squashSow outdoors · Apr 15 – Apr 29
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 8) and first fall frost (Nov 1) 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 45669 came on Mar 8 — 5 days earlier than the 1991–2020 average (Mar 13).

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 Proctorville, OH

The soil mapped at the center of ZIP 45669 is Upshur — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter69%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Upshur-Gilpin complex, 40 to 70 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 45669; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Proctorville, OH

Summer high89 °Faverage high, July
Winter low27 °Faverage low, January
Hot days31days a year at 90 °F or more
Freezing nights108nights a year at 32 °F or less
Growing degree days4,267base 50 °F — the season’s usable heat
Longest day14 h 51 mindaylight on June 21
Shortest day9 h 28 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation46.6 inper year, rain and melted snow
Snowfall10 inper year; 9 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 44 °F, low 27 °F 44°27° JanFebruary: average high 49 °F, low 29 °F 49°29° FebMarch: average high 59 °F, low 35 °F 59°35° MarApril: average high 71 °F, low 44 °F 71°44° AprMay: average high 78 °F, low 54 °F 78°54° MayJune: average high 86 °F, low 63 °F 86°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 58 °F 82°58° SepOctober: average high 71 °F, low 46 °F 71°46° OctNovember: average high 58 °F, low 36 °F 58°36° NovDecember: average high 48 °F, low 31 °F 48°31° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.42 in precipitation, 4.6 in snowfall 3.4❄5 JanFebruary: 3.28 in precipitation, 2.5 in snowfall 3.3❄3 FebMarch: 4.16 in precipitation, 1.1 in snowfall 4.2❄1 MarApril: 3.85 in precipitation, 0.1 in snowfall 3.9 AprMay: 4.76 in precipitation 4.8 MayJune: 4.09 in precipitation 4.1 JunJuly: 5.67 in precipitation 5.7 JulAugust: 4.53 in precipitation 4.5 AugSeptember: 3.38 in precipitation 3.4 SepOctober: 2.87 in precipitation 2.9 OctNovember: 2.86 in precipitation, 0.5 in snowfall 2.9❄1 NovDecember: 3.73 in precipitation, 0.8 in snowfall 3.7❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pea Ridge Psd, WV (6 mi away); precipitation: Pea Ridge Psd, WV (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

Ohio planting zones →

Questions about 45669

What planting zone is ZIP code 45669?

ZIP code 45669 (Proctorville, OH) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Proctorville, OH?

The median last spring frost (32 °F) near 45669 is April 8; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pea Ridge Psd station.

When is the first frost in Proctorville, OH?

The median first fall frost near 45669 is November 1, giving a median frost-free growing season of 205 days.

When should I plant tomatoes in 45669?

Start tomato seeds indoors around Feb 11 – Feb 25 and set transplants outside around Apr 15 – Apr 29, one to three weeks after the median last frost.

How much rain and snow does 45669 get?

About 46.6 inches of precipitation a year and 10 inches of snowfall (NOAA 1991–2020 normals, Pea Ridge Psd station).

How hot do summers get in Proctorville, OH?

The average high peaks at 89 °F in July, with about 31 days a year at 90 °F or more.

What kind of soil does 45669 have?

The USDA soil survey maps Upshur at the center of ZIP 45669: slightly decomposed plant material, well drained, pH about 4.3 (strongly acidic).

Did spring come early in Proctorville, OH in 2026?

Spring leaf-out near 45669 came on Mar 8 in 2026, 5 days earlier than the 1991–2020 average (Mar 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Proctorville, OH?

Intermediate onions: the longest day near 45669 is 14 h 51 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 45669 change?

Yes. The 2012 USDA map put 45669 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.