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

Planting zone for 44663 — New Philadelphia, OH

ZIP code 44663 (New Philadelphia, Tuscarawas County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 26 and the first fall frost October 21.

Where ZIP 44663 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 26
First frostOct 21
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 New Philadelphia, 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 Philadelphia, OH

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 26median — 50% chance of a later frost
Safe for tender plantsMay 15only 10% chance of frost after
First fall frostOctober 21median — 10% chance by Oct 5
Growing season176 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 16 and returns around November 2.

From the NOAA station New Philadelphia Field, OH — 2 miles away, elevation 896 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 44663

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 15 – Mar 29
SpinachSow outdoors · Mar 15 – Apr 5
Broccoli, cabbageStart indoors · Feb 15 – Mar 1
Broccoli, cabbageTransplant · Apr 5 – Apr 19
Onion setsPlant outdoors · Mar 29 – Apr 12
PotatoesPlant outdoors · Apr 5 – Apr 19
LettuceSow outdoors · Mar 29 – Apr 12
Carrots, beetsSow outdoors · Apr 5 – Apr 19
TomatoesStart indoors · Mar 1 – Mar 15
TomatoesTransplant · May 3 – May 17
Peppers, eggplantStart indoors · Feb 15 – Mar 1
Peppers, eggplantTransplant · May 10 – May 24
BeansSow outdoors · May 3 – May 17
Sweet cornSow outdoors · May 3 – May 17
Cucumbers, squashSow outdoors · May 3 – May 17
Fall lettuce, spinachSow outdoors · Aug 26 – Sep 9
GarlicPlant cloves · Oct 7 – Nov 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 26) and first fall frost (Oct 21) 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 44663 came on Mar 10 — 18 days earlier than the 1991–2020 average (Mar 28).

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 Philadelphia, OH

The soil mapped at the center of ZIP 44663 is Westmoreland — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.7moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4.57%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of local importanceUSDA classification

Map unit: Westmoreland silt loam, 15 to 25 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 44663; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in New Philadelphia, OH

Summer high84 °Faverage high, July
Winter low21 °Faverage low, January
Hot days13days a year at 90 °F or more
Freezing nights120nights a year at 32 °F or less
Growing degree days3,154base 50 °F — the season’s usable heat
Longest day15 h 04 mindaylight on June 21
Shortest day9 h 17 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation38.7 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 37 °F, low 21 °F 37°21° JanFebruary: average high 40 °F, low 23 °F 40°23° FebMarch: average high 50 °F, low 30 °F 50°30° MarApril: average high 63 °F, low 40 °F 63°40° AprMay: average high 73 °F, low 50 °F 73°50° MayJune: average high 80 °F, low 59 °F 80°59° JunJuly: average high 84 °F, low 63 °F 84°63° JulAugust: average high 82 °F, low 60 °F 82°60° AugSeptember: average high 76 °F, low 53 °F 76°53° SepOctober: average high 65 °F, low 42 °F 65°42° OctNovember: average high 52 °F, low 33 °F 52°33° NovDecember: average high 41 °F, low 26 °F 41°26° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.62 in precipitation 2.6 JanFebruary: 2.27 in precipitation 2.3 FebMarch: 3.05 in precipitation 3.0 MarApril: 3.78 in precipitation 3.8 AprMay: 3.77 in precipitation 3.8 MayJune: 4.23 in precipitation 4.2 JunJuly: 3.74 in precipitation 3.7 JulAugust: 3.65 in precipitation 3.6 AugSeptember: 2.97 in precipitation 3.0 SepOctober: 3.16 in precipitation 3.2 OctNovember: 2.70 in precipitation 2.7 NovDecember: 2.73 in precipitation 2.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: New Philadelphia Field, OH (2 mi away); precipitation: New Philadelphia Field, OH (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

446536b
Midvale, OH · 4 mi
446826b
Tuscarawas, OH · 5 mi
446226b
Dover, OH · 7 mi
446296b
Gnadenhutten, OH · 8 mi
446786b
Somerdale, OH · 8 mi
446216b
Dennison, OH · 9 mi
438406b
Stone Creek, OH · 9 mi
446836b
Uhrichsville, OH · 9 mi

Ohio planting zones →

Questions about 44663

What planting zone is ZIP code 44663?

ZIP code 44663 (New Philadelphia, 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 New Philadelphia, OH?

The median last spring frost (32 °F) near 44663 is April 26; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, New Philadelphia Field station.

When is the first frost in New Philadelphia, OH?

The median first fall frost near 44663 is October 21, giving a median frost-free growing season of 176 days.

When should I plant tomatoes in 44663?

Start tomato seeds indoors around Mar 1 – Mar 15 and set transplants outside around May 3 – May 17, one to three weeks after the median last frost.

How much rain and snow does 44663 get?

About 38.7 inches of precipitation a year (NOAA 1991–2020 normals, New Philadelphia Field station).

How hot do summers get in New Philadelphia, OH?

The average high peaks at 84 °F in July, with about 13 days a year at 90 °F or more.

What kind of soil does 44663 have?

The USDA soil survey maps Westmoreland at the center of ZIP 44663: silt loam, well drained, pH about 5.7 (moderately acidic).

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

Spring leaf-out near 44663 came on Mar 10 in 2026, 18 days earlier than the 1991–2020 average (Mar 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in New Philadelphia, OH?

Long-day onions: the longest day near 44663 is 15 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 44663 change?

Yes. The 2012 USDA map put 44663 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.