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

Planting zone for 44619 — Damascus, OH

ZIP code 44619 (Damascus, Mahoning County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 2 and the first fall frost October 13.

Where ZIP 44619 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 frostMay 2

First frostOct 13

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 Damascus, 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 Damascus, OH

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 2median — 50% chance of a later frost

Safe for tender plantsMay 20only 10% chance of frost after

First fall frostOctober 13median — 10% chance by Oct 1

Growing season165 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 20 and returns around October 26.

From the NOAA station Millport 4 Ne, OH — 11 miles away, elevation 1,171 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 44619

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 21 – Apr 4

SpinachSow outdoors · Mar 21 – Apr 11

Broccoli, cabbageStart indoors · Feb 21 – Mar 7

Broccoli, cabbageTransplant · Apr 11 – Apr 25

Onion setsPlant outdoors · Apr 4 – Apr 18

PotatoesPlant outdoors · Apr 11 – Apr 25

LettuceSow outdoors · Apr 4 – Apr 18

Carrots, beetsSow outdoors · Apr 11 – Apr 25

TomatoesStart indoors · Mar 7 – Mar 21

TomatoesTransplant · May 9 – May 23

Peppers, eggplantStart indoors · Feb 21 – Mar 7

Peppers, eggplantTransplant · May 16 – May 30

BeansSow outdoors · May 9 – May 23

Sweet cornSow outdoors · May 9 – May 23

Cucumbers, squashSow outdoors · May 9 – May 23

Fall lettuce, spinachSow outdoors · Aug 18 – Sep 1

GarlicPlant cloves · Sep 29 – Nov 3

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 2) and first fall frost (Oct 13) 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 44619 came on Mar 16 — 17 days earlier than the 1991–2020 average (Apr 2).

average
Apr 22026
Mar 16

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 Damascus, OH.

Soil in Damascus, OH

The soil mapped at the center of ZIP 44619 is Canfield — silt loam, moderately well drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSilt loama good balance for most vegetables

pH6.3slightly acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter3.3%moderate

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Canfield complex, 2 to 6 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 44619; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Damascus, OH

Summer high82 °Faverage high, July

Winter low19 °Faverage low, January

Hot days15days a year at 90 °F or more

Freezing nights139nights a year at 32 °F or less

Growing degree days2,823base 50 °F — the season’s usable heat

Longest day15 h 07 mindaylight on June 21

Shortest day9 h 14 mindaylight on December 21

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

Precipitation41.7 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: Millport 4 Ne, OH (11 mi away); precipitation: Salem 4.5 Ne, OH (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

8 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

North Georgetown, OH · 5 mi

444496a

North Benton, OH · 6 mi

Berlin Center, OH · 8 mi

Ohio planting zones →

Questions about 44619

What planting zone is ZIP code 44619?

ZIP code 44619 (Damascus, 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 Damascus, OH?

The median last spring frost (32 °F) near 44619 is May 2; after May 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Millport 4 Ne station.

When is the first frost in Damascus, OH?

The median first fall frost near 44619 is October 13, giving a median frost-free growing season of 165 days.

When should I plant tomatoes in 44619?

Start tomato seeds indoors around Mar 7 – Mar 21 and set transplants outside around May 9 – May 23, one to three weeks after the median last frost.

How much rain and snow does 44619 get?

About 41.7 inches of precipitation a year (NOAA 1991–2020 normals, Salem 4.5 Ne station).

How hot do summers get in Damascus, OH?

The average high peaks at 82 °F in July, with about 15 days a year at 90 °F or more.

What kind of soil does 44619 have?

The USDA soil survey maps Canfield at the center of ZIP 44619: silt loam, moderately well drained, pH about 6.3 (slightly acidic).

Did spring come early in Damascus, OH in 2026?

Spring leaf-out near 44619 came on Mar 16 in 2026, 17 days earlier than the 1991–2020 average (Apr 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Damascus, OH?

Long-day onions: the longest day near 44619 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 44619 change?

Yes. The 2012 USDA map put 44619 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.