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

Planting zone for 55767 — Moose Lake, MN

ZIP code 55767 (Moose Lake, Carlton County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 12 and the first fall frost October 2.

Where ZIP 55767 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 12
First frostOct 2
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 Moose Lake, 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 Moose Lake, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 12median — 50% chance of a later frost
Safe for tender plantsMay 26only 10% chance of frost after
First fall frostOctober 2median — 10% chance by Sep 20
Growing season144 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 14.

From the NOAA station Moose Lake 1 Sse, MN — within 1 mile, elevation 1,109 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 55767

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 31 – Apr 14
SpinachSow outdoors · Mar 31 – Apr 21
Broccoli, cabbageStart indoors · Mar 3 – Mar 17
Broccoli, cabbageTransplant · Apr 21 – May 5
Onion setsPlant outdoors · Apr 14 – Apr 28
PotatoesPlant outdoors · Apr 21 – May 5
LettuceSow outdoors · Apr 14 – Apr 28
Carrots, beetsSow outdoors · Apr 21 – May 5
TomatoesStart indoors · Mar 17 – Mar 31
TomatoesTransplant · May 19 – Jun 2
Peppers, eggplantStart indoors · Mar 3 – Mar 17
Peppers, eggplantTransplant · May 26 – Jun 9
BeansSow outdoors · May 19 – Jun 2
Sweet cornSow outdoors · May 19 – Jun 2
Cucumbers, squashSow outdoors · May 19 – Jun 2
Fall lettuce, spinachSow outdoors · Aug 7 – Aug 21
GarlicPlant cloves · Sep 18 – Oct 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 12) and first fall frost (Oct 2) 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 55767 came on Apr 22 — about the same time as the 1991–2020 average (Apr 24).

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 Moose Lake, MN.

Soil in Moose Lake, MN

The soil mapped at the center of ZIP 55767 is Borofolists — peat, excessively drained.

TexturePeattop layer
DrainageExcessively drainednatural drainage class
Organic matter95%high
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Borofolists.

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 55767; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Moose Lake, MN

Summer high80 °Faverage high, July
Winter low1 °Faverage low, January
Hot days5days a year at 90 °F or more
Freezing nights175nights a year at 32 °F or less
Growing degree days2,012base 50 °F — the season’s usable heat
Longest day15 h 49 mindaylight on June 21
Shortest day8 h 35 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation31.5 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 20 °F, low 1 °F 20°1° JanFebruary: average high 25 °F, low 4 °F 25°4° FebMarch: average high 38 °F, low 17 °F 38°17° MarApril: average high 52 °F, low 30 °F 52°30° AprMay: average high 66 °F, low 41 °F 66°41° MayJune: average high 75 °F, low 51 °F 75°51° JunJuly: average high 80 °F, low 57 °F 80°57° JulAugust: average high 78 °F, low 56 °F 78°56° AugSeptember: average high 69 °F, low 48 °F 69°48° SepOctober: average high 54 °F, low 36 °F 54°36° OctNovember: average high 38 °F, low 23 °F 38°23° NovDecember: average high 25 °F, low 9 °F 25°9° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.79 in precipitation 0.8 JanFebruary: 0.92 in precipitation 0.9 FebMarch: 1.39 in precipitation 1.4 MarApril: 2.57 in precipitation 2.6 AprMay: 3.42 in precipitation 3.4 MayJune: 4.75 in precipitation 4.8 JunJuly: 4.80 in precipitation 4.8 JulAugust: 3.73 in precipitation 3.7 AugSeptember: 3.18 in precipitation 3.2 SepOctober: 3.10 in precipitation 3.1 OctNovember: 1.68 in precipitation 1.7 NovDecember: 1.17 in precipitation 1.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Moose Lake 1 Sse, MN (within 1 mile); precipitation: Moose Lake 1 Sse, MN (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

557834a
Sturgeon Lake, MN · 7 mi
557564a
Kerrick, MN · 10 mi
557074a
Barnum, MN · 10 mi
557574a
Kettle River, MN · 10 mi
557954a
Willow River, MN · 12 mi
557264a
Cromwell, MN · 14 mi
557044a
Askov, MN · 16 mi
557804a
Sawyer, MN · 16 mi

Minnesota planting zones →

Questions about 55767

What planting zone is ZIP code 55767?

ZIP code 55767 (Moose Lake, 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 Moose Lake, MN?

The median last spring frost (32 °F) near 55767 is May 12; after May 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Moose Lake 1 Sse station.

When is the first frost in Moose Lake, MN?

The median first fall frost near 55767 is October 2, giving a median frost-free growing season of 144 days.

When should I plant tomatoes in 55767?

Start tomato seeds indoors around Mar 17 – Mar 31 and set transplants outside around May 19 – Jun 2, one to three weeks after the median last frost.

How much rain and snow does 55767 get?

About 31.5 inches of precipitation a year (NOAA 1991–2020 normals, Moose Lake 1 Sse station).

How hot do summers get in Moose Lake, MN?

The average high peaks at 80 °F in July, with about 5 days a year at 90 °F or more.

What kind of soil does 55767 have?

The USDA soil survey maps Borofolists at the center of ZIP 55767: peat, excessively drained.

Did spring come early in Moose Lake, MN in 2026?

Spring leaf-out near 55767 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 Moose Lake, MN?

Long-day onions: the longest day near 55767 is 15 h 49 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 55767 change?

Yes. The 2012 USDA map put 55767 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.