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

Planting zone for 55063 — Pine City, MN

ZIP code 55063 (Pine City, Pine County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 11 and the first fall frost October 1.

Where ZIP 55063 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 11
First frostOct 1
2012 zone4a

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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pine City, 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 Pine City, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 11median — 50% chance of a later frost
Safe for tender plantsMay 28only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 16
Growing season141 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 11.

From the NOAA station Grantsburg, WI — 11 miles away, elevation 991 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 55063

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 30 – Apr 13
SpinachSow outdoors · Mar 30 – Apr 20
Broccoli, cabbageStart indoors · Mar 2 – Mar 16
Broccoli, cabbageTransplant · Apr 20 – May 4
Onion setsPlant outdoors · Apr 13 – Apr 27
PotatoesPlant outdoors · Apr 20 – May 4
LettuceSow outdoors · Apr 13 – Apr 27
Carrots, beetsSow outdoors · Apr 20 – May 4
TomatoesStart indoors · Mar 16 – Mar 30
TomatoesTransplant · May 18 – Jun 1
Peppers, eggplantStart indoors · Mar 2 – Mar 16
Peppers, eggplantTransplant · May 25 – Jun 8
BeansSow outdoors · May 18 – Jun 1
Sweet cornSow outdoors · May 18 – Jun 1
Cucumbers, squashSow outdoors · May 18 – Jun 1
Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 11) and first fall frost (Oct 1) 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 55063 came on Apr 17 — 3 days earlier than the 1991–2020 average (Apr 20).

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 4a in Minnesota

445 plants native to the lower 48 states, recorded in Minnesota, and rated by the USDA to survive −30 °F or colder — the bottom of zone 4a. Each links to its USDA PLANTS profile.

Trees 45

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °Fbalsam fir60 ft · blooms mid summer · low shade tolerance · to −43 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °F

Shrubs 77

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 173

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °F

Grasses 140

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbasin wildrye5 ft · blooms early spring · high shade tolerance · to −43 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 3

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °F

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 Pine City, MN.

Soil in Pine City, MN

The soil mapped at the center of ZIP 55063 is Milaca — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH5.9moderately acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Milaca silt loam, 2 to 15 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 55063; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pine City, MN

Summer high82 °Faverage high, July
Winter low1 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights177nights a year at 32 °F or less
Growing degree days2,339base 50 °F — the season’s usable heat
Longest day15 h 44 mindaylight on June 21
Shortest day8 h 39 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation32.4 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 22 °F, low 1 °F 22°1° JanFebruary: average high 28 °F, low 5 °F 28°5° FebMarch: average high 41 °F, low 18 °F 41°18° MarApril: average high 56 °F, low 31 °F 56°31° AprMay: average high 69 °F, low 44 °F 69°44° MayJune: average high 78 °F, low 53 °F 78°53° JunJuly: average high 82 °F, low 58 °F 82°58° JulAugust: average high 80 °F, low 56 °F 80°56° AugSeptember: average high 72 °F, low 47 °F 72°47° SepOctober: average high 58 °F, low 35 °F 58°35° OctNovember: average high 41 °F, low 22 °F 41°22° NovDecember: average high 27 °F, low 10 °F 27°10° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.79 in precipitation 0.8 JanFebruary: 0.90 in precipitation 0.9 FebMarch: 1.59 in precipitation 1.6 MarApril: 2.80 in precipitation 2.8 AprMay: 3.78 in precipitation 3.8 MayJune: 4.50 in precipitation 4.5 JunJuly: 4.54 in precipitation 4.5 JulAugust: 4.22 in precipitation 4.2 AugSeptember: 3.42 in precipitation 3.4 SepOctober: 2.98 in precipitation 3.0 OctNovember: 1.66 in precipitation 1.7 NovDecember: 1.18 in precipitation 1.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Grantsburg, WI (11 mi away); precipitation: Rush City 2.8 Ne, MN (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

550694b
Rush City, MN · 10 mi
550304a
Grasston, MN · 10 mi
550364a
Henriette, MN · 11 mi
548404a
Grantsburg, WI · 12 mi
550374a
Hinckley, MN · 13 mi
550074a
Brook Park, MN · 14 mi
550064b
Braham, MN · 16 mi
550324b
Harris, MN · 18 mi

Minnesota planting zones →

Questions about 55063

What planting zone is ZIP code 55063?

ZIP code 55063 (Pine City, 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 Pine City, MN?

The median last spring frost (32 °F) near 55063 is May 11; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Grantsburg station.

When is the first frost in Pine City, MN?

The median first fall frost near 55063 is October 1, giving a median frost-free growing season of 141 days.

When should I plant tomatoes in 55063?

Start tomato seeds indoors around Mar 16 – Mar 30 and set transplants outside around May 18 – Jun 1, one to three weeks after the median last frost.

How much rain and snow does 55063 get?

About 32.4 inches of precipitation a year (NOAA 1991–2020 normals, Rush City 2.8 Ne station).

How hot do summers get in Pine City, MN?

The average high peaks at 82 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 55063 have?

The USDA soil survey maps Milaca at the center of ZIP 55063: silt loam, moderately well drained, pH about 5.9 (moderately acidic).

Did spring come early in Pine City, MN in 2026?

Spring leaf-out near 55063 came on Apr 17 in 2026, 3 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pine City, MN?

Long-day onions: the longest day near 55063 is 15 h 44 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).