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 zoomNot 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.
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 ServiceLoading 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
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
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).
Mar 132026
Mar 8
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.
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
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
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.
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.