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

Planting zone for Fremont, MI

Fremont, MI is in USDA zones 5b to 6a across its 2 ZIP codes. The median last spring frost is May 8 and the first fall frost October 11.

Fremont 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.

Zones5b–6a−15 to −5 °F
ZIP codes2
Last frostMay 8
First frostOct 11
Growing season155 days

5b 1 ZIP   6a 1 ZIP

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 Fremont, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 8median — 50% chance of a later frost
Safe for tender plantsMay 25only 10% chance of frost after
First fall frostOctober 11median — 10% chance by Sep 30
Growing season155 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 27 and returns around October 25.

From the NOAA station Fremont 4 Wsw, MI, elevation 801 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 Fremont

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 27 – Apr 10
SpinachSow outdoors · Mar 27 – Apr 17
Broccoli, cabbageStart indoors · Feb 27 – Mar 13
Broccoli, cabbageTransplant · Apr 17 – May 1
Onion setsPlant outdoors · Apr 10 – Apr 24
PotatoesPlant outdoors · Apr 17 – May 1
LettuceSow outdoors · Apr 10 – Apr 24
Carrots, beetsSow outdoors · Apr 17 – May 1
TomatoesStart indoors · Mar 13 – Mar 27
TomatoesTransplant · May 15 – May 29
Peppers, eggplantStart indoors · Feb 27 – Mar 13
Peppers, eggplantTransplant · May 22 – Jun 5
BeansSow outdoors · May 15 – May 29
Sweet cornSow outdoors · May 15 – May 29
Cucumbers, squashSow outdoors · May 15 – May 29
Fall lettuce, spinachSow outdoors · Aug 16 – Aug 30
GarlicPlant cloves · Sep 27 – Nov 1
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 8) and first fall frost (Oct 11) 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 49413 came on Apr 11 — 5 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 5b in Michigan

564 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 58

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 103

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 212

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine sweetvetch2 ft · blooms early summer · high shade tolerance · to −62 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °F

Grasses 170

alpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °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 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °F

Vines 7

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °Ftrumpet honeysuckle16 ft · blooms late summer · low 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 Fremont, MI.

Soil in Fremont, MI

The soil mapped at the center of ZIP 49413 is Plainfield — sand, excessively drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH4.9strongly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter5%high
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Plainfield sand, 0 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 49413; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Fremont, MI

Summer high80 °Faverage high, July
Winter low16 °Faverage low, January
Hot days4days a year at 90 °F or more
Freezing nights149nights a year at 32 °F or less
Growing degree days2,272base 50 °F — the season’s usable heat
Longest day15 h 25 mindaylight on June 21
Shortest day8 h 56 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation38.1 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 30 °F, low 16 °F 30°16° JanFebruary: average high 32 °F, low 16 °F 32°16° FebMarch: average high 42 °F, low 23 °F 42°23° MarApril: average high 55 °F, low 33 °F 55°33° AprMay: average high 67 °F, low 44 °F 67°44° MayJune: average high 76 °F, low 54 °F 76°54° JunJuly: average high 80 °F, low 58 °F 80°58° JulAugust: average high 78 °F, low 56 °F 78°56° AugSeptember: average high 71 °F, low 50 °F 71°50° SepOctober: average high 59 °F, low 39 °F 59°39° OctNovember: average high 45 °F, low 30 °F 45°30° NovDecember: average high 34 °F, low 22 °F 34°22° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.71 in precipitation 2.7 JanFebruary: 1.97 in precipitation 2.0 FebMarch: 2.45 in precipitation 2.5 MarApril: 3.93 in precipitation 3.9 AprMay: 4.06 in precipitation 4.1 MayJune: 3.80 in precipitation 3.8 JunJuly: 3.20 in precipitation 3.2 JulAugust: 3.38 in precipitation 3.4 AugSeptember: 3.40 in precipitation 3.4 SepOctober: 3.97 in precipitation 4.0 OctNovember: 3.06 in precipitation 3.1 NovDecember: 2.22 in precipitation 2.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Fremont 4 Wsw, MI (14 mi away); precipitation: White Cloud 7.5 Ene, MI (9 mi away). Daylight is calculated from latitude.

ZIP codes in Fremont

494125b
−15 to −10 °F
494136a
−10 to −5 °F

Michigan planting zones →

Questions about Fremont

What planting zone is Fremont, MI?

Fremont, MI is in USDA hardiness zones 5b to 6a on the 2023 map (5b: −15 to −10 °F; 6a: −10 to −5 °F).

When is the last frost in Fremont, MI?

The median last spring frost is May 8 and the median first fall frost is October 11 (NOAA 1991–2020 normals, Fremont 4 Wsw station).

When can I plant a garden in Fremont, MI?

Cool-season crops like peas and spinach go in around Mar 27 – Apr 17; tomatoes, peppers, beans and squash after about May 15, once frost risk has passed.

What kind of onions grow in Fremont, MI?

Long-day onions: the longest day is 15 h 25 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Fremont, MI get?

About 38.1 inches of precipitation a year (NOAA 1991–2020 normals).