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

Planting zone for Young America, MN

Young America, MN is in USDA zone 4b across its 2 ZIP codes. The median last spring frost is May 5 and the first fall frost October 5.

Young America on the zone map

Outlined: its 1 ZIP code areas · 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.

Zone4b−25 to −20 °F
ZIP codes2
Last frostMay 5
First frostOct 5
Growing season151 days

4b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Young America, MN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 5median — 50% chance of a later frost
Safe for tender plantsMay 19only 10% chance of frost after
First fall frostOctober 5median — 10% chance by Sep 22
Growing season151 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 23 and returns around October 16.

From the NOAA station Chaska 2nw, MN, elevation 922 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 Young America

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 24 – Apr 7
SpinachSow outdoors · Mar 24 – Apr 14
Broccoli, cabbageStart indoors · Feb 24 – Mar 10
Broccoli, cabbageTransplant · Apr 14 – Apr 28
Onion setsPlant outdoors · Apr 7 – Apr 21
PotatoesPlant outdoors · Apr 14 – Apr 28
LettuceSow outdoors · Apr 7 – Apr 21
Carrots, beetsSow outdoors · Apr 14 – Apr 28
TomatoesStart indoors · Mar 10 – Mar 24
TomatoesTransplant · May 12 – May 26
Peppers, eggplantStart indoors · Feb 24 – Mar 10
Peppers, eggplantTransplant · May 19 – Jun 2
BeansSow outdoors · May 12 – May 26
Sweet cornSow outdoors · May 12 – May 26
Cucumbers, squashSow outdoors · May 12 – May 26
Fall lettuce, spinachSow outdoors · Aug 10 – Aug 24
GarlicPlant cloves · Sep 21 – Oct 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 5) and first fall frost (Oct 5) 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 55573 came on Apr 9 — 7 days earlier than the 1991–2020 average (Apr 16).

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 4b in Minnesota

497 plants native to the lower 48 states, recorded in Minnesota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 47

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 88

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 190

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 156

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °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 °F

Vines 4

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 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °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 Young America, MN.

Soil in Young America, MN

The soil mapped at the center of ZIP 55573 is Angus — loam, well drained.

TextureLoama good balance for most vegetables
pH6.6neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Angus-Malardi complex, 2 to 6 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 55573; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Young America, MN

Summer high82 °Faverage high, July
Winter low7 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights156nights a year at 32 °F or less
Growing degree days2,711base 50 °F — the season’s usable heat
Longest day15 h 36 mindaylight on June 21
Shortest day8 h 46 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation34.7 inper year, rain and melted snow
Snowfall54 inper year; 104 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 24 °F, low 7 °F 24°7° JanFebruary: average high 29 °F, low 11 °F 29°11° FebMarch: average high 42 °F, low 23 °F 42°23° MarApril: average high 57 °F, low 35 °F 57°35° AprMay: average high 69 °F, low 48 °F 69°48° MayJune: average high 78 °F, low 58 °F 78°58° JunJuly: average high 82 °F, low 63 °F 82°63° JulAugust: average high 80 °F, low 61 °F 80°61° AugSeptember: average high 72 °F, low 52 °F 72°52° SepOctober: average high 57 °F, low 39 °F 57°39° OctNovember: average high 41 °F, low 26 °F 41°26° NovDecember: average high 29 °F, low 14 °F 29°14° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.95 in precipitation, 10.1 in snowfall 0.9❄10 JanFebruary: 1.02 in precipitation, 10.1 in snowfall 1.0❄10 FebMarch: 1.88 in precipitation, 9 in snowfall 1.9❄9 MarApril: 3.31 in precipitation, 5.1 in snowfall 3.3❄5 AprMay: 4.49 in precipitation 4.5 MayJune: 4.64 in precipitation 4.6 JunJuly: 4.51 in precipitation 4.5 JulAugust: 4.18 in precipitation 4.2 AugSeptember: 3.45 in precipitation 3.5 SepOctober: 2.98 in precipitation, 0.8 in snowfall 3.0❄1 OctNovember: 1.87 in precipitation, 6.9 in snowfall 1.9❄7 NovDecember: 1.40 in precipitation, 12.3 in snowfall 1.4❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: New Hope, MN (4 mi away); precipitation: New Hope, MN (4 mi away). Daylight is calculated from latitude.

ZIP codes in Young America

553974b
−25 to −20 °F
555734b
−25 to −20 °F

Minnesota planting zones →

Questions about Young America

What planting zone is Young America, MN?

Young America, MN is in USDA hardiness zone 4b on the 2023 map (4b: −25 to −20 °F).

When is the last frost in Young America, MN?

The median last spring frost is May 5 and the median first fall frost is October 5 (NOAA 1991–2020 normals, Chaska 2nw station).

When can I plant a garden in Young America, MN?

Cool-season crops like peas and spinach go in around Mar 24 – Apr 14; tomatoes, peppers, beans and squash after about May 12, once frost risk has passed.

What kind of onions grow in Young America, MN?

Long-day onions: the longest day is 15 h 36 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Young America, MN get?

About 34.7 inches of precipitation a year and 54 inches of snowfall (NOAA 1991–2020 normals).