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

Planting zone for 56567 — New York Mills, MN

ZIP code 56567 (New York Mills, Otter Tail County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 10 and the first fall frost September 29.

Where ZIP 56567 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.

Zone4a−30 to −25 °F

Coldest night−34.4 to −31.7 °C

Last frostMay 10

First frostSep 29

2012 zone3b

Was 3b 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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for New York Mills, MN…

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 York Mills, MN

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 10median — 50% chance of a later frost

Safe for tender plantsMay 24only 10% chance of frost after

First fall frostSeptember 29median — 10% chance by Sep 17

Growing season141 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 10.

From the NOAA station New York Mills, MN — 2 miles away, elevation 1,408 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 56567

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 29 – Apr 12

SpinachSow outdoors · Mar 29 – Apr 19

Broccoli, cabbageStart indoors · Mar 1 – Mar 15

Broccoli, cabbageTransplant · Apr 19 – May 3

Onion setsPlant outdoors · Apr 12 – Apr 26

PotatoesPlant outdoors · Apr 19 – May 3

LettuceSow outdoors · Apr 12 – Apr 26

Carrots, beetsSow outdoors · Apr 19 – May 3

TomatoesStart indoors · Mar 15 – Mar 29

TomatoesTransplant · May 17 – May 31

Peppers, eggplantStart indoors · Mar 1 – Mar 15

Peppers, eggplantTransplant · May 24 – Jun 7

BeansSow outdoors · May 17 – May 31

Sweet cornSow outdoors · May 17 – May 31

Cucumbers, squashSow outdoors · May 17 – May 31

Fall lettuce, spinachSow outdoors · Aug 4 – Aug 18

GarlicPlant cloves · Sep 15 – Oct 20

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 10) and first fall frost (Sep 29) 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 56567 came on Apr 22 — about the same time as the 1991–2020 average (Apr 24).

average
Apr 242026
Apr 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 New York Mills, MN

The soil mapped at the center of ZIP 56567 is Cathro — muck, very poorly drained.

TextureMucktop layer

DrainageVery poorly drainedconsider raised beds

Organic matter65%high

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Cathro muck, occasionally ponded, 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 56567; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in New York Mills, MN

Summer high79 °Faverage high, July

Winter low−2 °Faverage low, January

Hot days3days a year at 90 °F or more

Freezing nights184nights a year at 32 °F or less

Growing degree days1,948base 50 °F — the season’s usable heat

Longest day15 h 50 mindaylight on June 21

Shortest day8 h 34 mindaylight on December 21

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

Precipitation26.9 inper year, rain and melted snow

Snowfall46 inper year; 124 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: New York Mills, MN (2 mi away); precipitation: New York Mills, MN (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Ottertail, MN · 11 mi

564824a

Wadena, MN · 12 mi

565274a

Deer Creek, MN · 13 mi

565514a

Henning, MN · 16 mi

565933b

Wolf Lake, MN · 18 mi

565444a

Frazee, MN · 18 mi

Minnesota planting zones →

Questions about 56567

What planting zone is ZIP code 56567?

ZIP code 56567 (New York Mills, MN) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in New York Mills, MN?

The median last spring frost (32 °F) near 56567 is May 10; after May 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, New York Mills station.

When is the first frost in New York Mills, MN?

The median first fall frost near 56567 is September 29, giving a median frost-free growing season of 141 days.

When should I plant tomatoes in 56567?

Start tomato seeds indoors around Mar 15 – Mar 29 and set transplants outside around May 17 – May 31, one to three weeks after the median last frost.

How much rain and snow does 56567 get?

About 26.9 inches of precipitation a year and 46 inches of snowfall (NOAA 1991–2020 normals, New York Mills station).

How hot do summers get in New York Mills, MN?

The average high peaks at 79 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 56567 have?

The USDA soil survey maps Cathro at the center of ZIP 56567: muck, very poorly drained.

Did spring come early in New York Mills, MN in 2026?

Spring leaf-out near 56567 came on Apr 22 in 2026, about the same as the 1991–2020 average (Apr 24), according to the USA National Phenology Network Spring Index.

What kind of onions grow in New York Mills, MN?

Long-day onions: the longest day near 56567 is 15 h 50 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 56567 change?

Yes. The 2012 USDA map put 56567 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.