Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 45052 — North Bend, OH

ZIP code 45052 (North Bend, Hamilton County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 13 and the first fall frost October 31.

Where ZIP 45052 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.

Zone6b−5 to 0 °F

Coldest night−20.6 to −17.8 °C

Last frostApr 13

First frostOct 31

2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for North Bend, 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 North Bend, OH

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 13median — 50% chance of a later frost

Safe for tender plantsMay 2only 10% chance of frost after

First fall frostOctober 31median — 10% chance by Oct 17

Growing season197 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 10.

From the NOAA station Cincinnati-Fernbank, OH — 5 miles away, elevation 499 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 45052

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 2 – Mar 16

SpinachSow outdoors · Mar 2 – Mar 23

Broccoli, cabbageStart indoors · Feb 2 – Feb 16

Broccoli, cabbageTransplant · Mar 23 – Apr 6

Onion setsPlant outdoors · Mar 16 – Mar 30

PotatoesPlant outdoors · Mar 23 – Apr 6

LettuceSow outdoors · Mar 16 – Mar 30

Carrots, beetsSow outdoors · Mar 23 – Apr 6

TomatoesStart indoors · Feb 16 – Mar 2

TomatoesTransplant · Apr 20 – May 4

Peppers, eggplantStart indoors · Feb 2 – Feb 16

Peppers, eggplantTransplant · Apr 27 – May 11

BeansSow outdoors · Apr 20 – May 4

Sweet cornSow outdoors · Apr 20 – May 4

Cucumbers, squashSow outdoors · Apr 20 – May 4

Fall lettuce, spinachSow outdoors · Sep 5 – Sep 19

GarlicPlant cloves · Oct 17 – Nov 21

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 13) and first fall frost (Oct 31) 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 45052 came on Mar 8 — 10 days earlier than the 1991–2020 average (Mar 18).

average
Mar 182026
Mar 8

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 North Bend, OH

The soil mapped at the center of ZIP 45052 is Eden — silty clay loam, well drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up

pH6.8neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.75%low — add compost

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Eden silty clay loam, 25 to 40 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 45052; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in North Bend, OH

Summer high86 °Faverage high, July

Winter low24 °Faverage low, January

Hot days22days a year at 90 °F or more

Freezing nights101nights a year at 32 °F or less

Growing degree days3,853base 50 °F — the season’s usable heat

Longest day14 h 55 mindaylight on June 21

Shortest day9 h 25 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation47.5 inper year, rain and melted snow

Snowfall11 inper year; 15 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cincinnati-Fernbank, OH (5 mi away); precipitation: Cincinnati-Fernbank, OH (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

Lawrenceburg, IN · 5 mi

410486b

Hebron, KY · 6 mi

452336b

Cincinnati, OH · 6 mi

450416b

Miamitown, OH · 6 mi

452486b

Cincinnati, OH · 6 mi

Ohio planting zones →

Questions about 45052

What planting zone is ZIP code 45052?

ZIP code 45052 (North Bend, OH) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in North Bend, OH?

The median last spring frost (32 °F) near 45052 is April 13; after May 2 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cincinnati-Fernbank station.

When is the first frost in North Bend, OH?

The median first fall frost near 45052 is October 31, giving a median frost-free growing season of 197 days.

When should I plant tomatoes in 45052?

Start tomato seeds indoors around Feb 16 – Mar 2 and set transplants outside around Apr 20 – May 4, one to three weeks after the median last frost.

How much rain and snow does 45052 get?

About 47.5 inches of precipitation a year and 11 inches of snowfall (NOAA 1991–2020 normals, Cincinnati-Fernbank station).

How hot do summers get in North Bend, OH?

The average high peaks at 86 °F in July, with about 22 days a year at 90 °F or more.

What kind of soil does 45052 have?

The USDA soil survey maps Eden at the center of ZIP 45052: silty clay loam, well drained, pH about 6.8 (neutral).

Did spring come early in North Bend, OH in 2026?

Spring leaf-out near 45052 came on Mar 8 in 2026, 10 days earlier than the 1991–2020 average (Mar 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in North Bend, OH?

Intermediate onions: the longest day near 45052 is 14 h 55 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 45052 change?

Yes. The 2012 USDA map put 45052 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.