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

Planting zone for 43468 — Williston, OH

ZIP code 43468 (Williston, Ottawa County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 20 and the first fall frost October 27.

Where ZIP 43468 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 20

First frostOct 27

2012 zone6b

Same zone as on the 2012 map. 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 Williston, 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 Williston, OH

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostApril 20median — 50% chance of a later frost

Safe for tender plantsMay 7only 10% chance of frost after

First fall frostOctober 27median — 10% chance by Oct 14

Growing season188 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 8 and returns around November 7.

From the NOAA station Toledo Metcalf Field, OH — 7 miles away, elevation 623 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 43468

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 9 – Mar 23

SpinachSow outdoors · Mar 9 – Mar 30

Broccoli, cabbageStart indoors · Feb 9 – Feb 23

Broccoli, cabbageTransplant · Mar 30 – Apr 13

Onion setsPlant outdoors · Mar 23 – Apr 6

PotatoesPlant outdoors · Mar 30 – Apr 13

LettuceSow outdoors · Mar 23 – Apr 6

Carrots, beetsSow outdoors · Mar 30 – Apr 13

TomatoesStart indoors · Feb 23 – Mar 9

TomatoesTransplant · Apr 27 – May 11

Peppers, eggplantStart indoors · Feb 9 – Feb 23

Peppers, eggplantTransplant · May 4 – May 18

BeansSow outdoors · Apr 27 – May 11

Sweet cornSow outdoors · Apr 27 – May 11

Cucumbers, squashSow outdoors · Apr 27 – May 11

Fall lettuce, spinachSow outdoors · Sep 1 – Sep 15

GarlicPlant cloves · Oct 13 – Nov 17

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 20) and first fall frost (Oct 27) 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 43468 came on Mar 22 — 13 days earlier than the 1991–2020 average (Apr 4).

average
Apr 42026
Mar 22

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 Williston, OH

The soil mapped at the center of ZIP 43468 is Hoytville — silty clay loam, very poorly drained.

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

pH6.7neutral; most vegetables like 6.0–7.0

DrainageVery poorly drainedconsider raised beds

Organic matter4.5%moderate

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classPrime farmland if drainedUSDA classification

Map unit: Hoytville silty clay loam, 0 to 1 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 43468; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Williston, OH

Summer high85 °Faverage high, July

Winter low20 °Faverage low, January

Hot days18days a year at 90 °F or more

Freezing nights118nights a year at 32 °F or less

Growing degree days3,283base 50 °F — the season’s usable heat

Longest day15 h 12 mindaylight on June 21

Shortest day9 h 09 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation32.4 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Toledo Metcalf Field, OH (7 mi away); precipitation: Toledo Metcalf Field, OH (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

434086b

Clay Center, OH · 2 mi

Ohio planting zones →

Questions about 43468

What planting zone is ZIP code 43468?

ZIP code 43468 (Williston, 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 Williston, OH?

The median last spring frost (32 °F) near 43468 is April 20; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Toledo Metcalf Field station.

When is the first frost in Williston, OH?

The median first fall frost near 43468 is October 27, giving a median frost-free growing season of 188 days.

When should I plant tomatoes in 43468?

Start tomato seeds indoors around Feb 23 – Mar 9 and set transplants outside around Apr 27 – May 11, one to three weeks after the median last frost.

How much rain and snow does 43468 get?

About 32.4 inches of precipitation a year (NOAA 1991–2020 normals, Toledo Metcalf Field station).

How hot do summers get in Williston, OH?

The average high peaks at 85 °F in July, with about 18 days a year at 90 °F or more.

What kind of soil does 43468 have?

The USDA soil survey maps Hoytville at the center of ZIP 43468: silty clay loam, very poorly drained, pH about 6.7 (neutral).

Did spring come early in Williston, OH in 2026?

Spring leaf-out near 43468 came on Mar 22 in 2026, 13 days earlier than the 1991–2020 average (Apr 4), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Williston, OH?

Long-day onions: the longest day near 43468 is 15 h 12 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).