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

Planting zone for 44443 — New Springfield, OH

ZIP code 44443 (New Springfield, Mahoning County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 30 and the first fall frost October 23.

Where ZIP 44443 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostApr 30
First frostOct 23
2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for New Springfield, 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 New Springfield, OH

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 19only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 6
Growing season175 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 20 and returns around November 2.

From the NOAA station New Castle 1 N, PA — 14 miles away, elevation 827 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 44443

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
Fall lettuce, spinachSow outdoors · Aug 28 – Sep 11
GarlicPlant cloves · Oct 9 – Nov 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 23) 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 44443 came on Mar 16 — 18 days earlier than the 1991–2020 average (Apr 3).

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 New Springfield, OH

The soil mapped at the center of ZIP 44443 is Loudonville — loam, well drained.

TextureLoama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of local importanceUSDA classification

Map unit: Loudonville loam, 6 to 12 percent slopes, moderately eroded.

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 44443; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in New Springfield, OH

Summer high86 °Faverage high, July
Winter low19 °Faverage low, January
Hot days21days a year at 90 °F or more
Freezing nights134nights a year at 32 °F or less
Growing degree days3,088base 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

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 37 °F, low 19 °F 37°19° JanFebruary: average high 40 °F, low 20 °F 40°20° FebMarch: average high 49 °F, low 27 °F 49°27° MarApril: average high 63 °F, low 36 °F 63°36° AprMay: average high 73 °F, low 47 °F 73°47° MayJune: average high 82 °F, low 56 °F 82°56° JunJuly: average high 86 °F, low 60 °F 86°60° JulAugust: average high 85 °F, low 59 °F 85°59° AugSeptember: average high 79 °F, low 52 °F 79°52° SepOctober: average high 66 °F, low 41 °F 66°41° OctNovember: average high 53 °F, low 32 °F 53°32° NovDecember: average high 42 °F, low 25 °F 42°25° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.01 in precipitation 3.0 JanFebruary: 2.39 in precipitation 2.4 FebMarch: 3.10 in precipitation 3.1 MarApril: 3.80 in precipitation 3.8 AprMay: 4.06 in precipitation 4.1 MayJune: 4.36 in precipitation 4.4 JunJuly: 4.35 in precipitation 4.3 JulAugust: 3.53 in precipitation 3.5 AugSeptember: 3.85 in precipitation 3.9 SepOctober: 3.26 in precipitation 3.3 OctNovember: 3.01 in precipitation 3.0 NovDecember: 2.98 in precipitation 3.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: New Castle 1 N, PA (14 mi away); precipitation: Salem 4.5 Ne, OH (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

444546a
Petersburg, OH · 2 mi
444426a
New Middletown, OH · 4 mi
444526a
North Lima, OH · 4 mi
444456a
New Waterford, OH · 5 mi
445146a
Youngstown, OH · 5 mi
161126a
Bessemer, PA · 6 mi
444086a
Columbiana, OH · 6 mi
444136a
East Palestine, OH · 6 mi

Ohio planting zones →

Questions about 44443

What planting zone is ZIP code 44443?

ZIP code 44443 (New Springfield, OH) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in New Springfield, OH?

The median last spring frost (32 °F) near 44443 is April 30; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, New Castle 1 N station.

When is the first frost in New Springfield, OH?

The median first fall frost near 44443 is October 23, giving a median frost-free growing season of 175 days.

When should I plant tomatoes in 44443?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 44443 get?

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

How hot do summers get in New Springfield, OH?

The average high peaks at 86 °F in July, with about 21 days a year at 90 °F or more.

What kind of soil does 44443 have?

The USDA soil survey maps Loudonville at the center of ZIP 44443: loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in New Springfield, OH in 2026?

Spring leaf-out near 44443 came on Mar 16 in 2026, 18 days earlier than the 1991–2020 average (Apr 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in New Springfield, OH?

Long-day onions: the longest day near 44443 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).