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

Planting zone for Strongsville, OH

Strongsville, OH is in USDA zone 6b across its 2 ZIP codes. The median last spring frost is April 20 and the first fall frost November 3.

Strongsville on the zone map

Outlined: its 2 ZIP code areas · 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

ZIP codes2

Last frostApr 20

First frostNov 3

Growing season198 days

6b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Strongsville, 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 Strongsville, 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 5only 10% chance of frost after

First fall frostNovember 3median — 10% chance by Oct 21

Growing season198 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 5 and returns around November 13.

From the NOAA station Cleveland, OH, elevation 764 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 Strongsville

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 8 – Sep 22

GarlicPlant cloves · Oct 20 – Nov 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 20) and first fall frost (Nov 3) 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 44136 came on Mar 12 — 21 days earlier than the 1991–2020 average (Apr 2).

average
Apr 22026
Mar 12

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).

Native plants for zone 6b in Ohio

570 plants native to the lower 48 states, recorded in Ohio, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Strongsville, OH.

Soil in Strongsville, OH

The center of ZIP 44136 is mapped as Udorthents, loamy: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 44136; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Strongsville, OH

Summer high84 °Faverage high, July

Winter low22 °Faverage low, January

Hot days12days a year at 90 °F or more

Freezing nights111nights a year at 32 °F or less

Growing degree days3,360base 50 °F — the season’s usable heat

Longest day15 h 10 mindaylight on June 21

Shortest day9 h 11 mindaylight on December 21

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

Precipitation42.7 inper year, rain and melted snow

Snowfall65 inper year; 60 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: Cleveland, OH (7 mi away); precipitation: Brunswick 0.5 Ne, OH (4 mi away). Daylight is calculated from latitude.

ZIP codes in Strongsville

Ohio planting zones →

Questions about Strongsville

What planting zone is Strongsville, OH?

Strongsville, OH is in USDA hardiness zone 6b on the 2023 map (6b: −5 to 0 °F).

When is the last frost in Strongsville, OH?

The median last spring frost is April 20 and the median first fall frost is November 3 (NOAA 1991–2020 normals, Cleveland station).

When can I plant a garden in Strongsville, OH?

Cool-season crops like peas and spinach go in around Mar 9 – Mar 30; tomatoes, peppers, beans and squash after about Apr 27, once frost risk has passed.

What kind of onions grow in Strongsville, OH?

Long-day onions: the longest day is 15 h 10 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Strongsville, OH get?

About 42.7 inches of precipitation a year and 65 inches of snowfall (NOAA 1991–2020 normals).