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

Planting zone for 49775 — Pointe Aux Pins, MI

ZIP code 49775 (Pointe Aux Pins, Mackinac County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 11 and the first fall frost October 11.

Where ZIP 49775 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.

Zone5b−15 to −10 °F

Coldest night−26.1 to −23.3 °C

Last frostMay 11

First frostOct 11

2012 zone5a

Was 5a 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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pointe Aux Pins, MI…

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 Pointe Aux Pins, MI

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 25only 10% chance of frost after

First fall frostOctober 11median — 10% chance by Sep 24

Growing season152 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 22.

From the NOAA station Cheboygan, MI — 8 miles away, elevation 587 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 49775

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 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 11) 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 49775 came on May 3 — 3 days later than the 1991–2020 average (Apr 30).

average
Apr 302026
May 3

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.

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 Pointe Aux Pins, MI.

Soil in Pointe Aux Pins, MI

The soil mapped at the center of ZIP 49775 is Battydoe — moderately decomposed plant material, well drained.

TextureModerately decomposed plant materialtop layer

pH4.5strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter75%high

Hydrologic groupAwater soaks in fast

Farmland classNot prime farmlandUSDA classification

Map unit: Battydoe fine sandy loam, 1 to 6 percent slopes, stony.

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 49775; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pointe Aux Pins, MI

Summer high77 °Faverage high, July

Winter low10 °Faverage low, February

Hot days3days a year at 90 °F or more

Freezing nights163nights a year at 32 °F or less

Growing degree days1,935base 50 °F — the season’s usable heat

Longest day15 h 43 mindaylight on June 21

Shortest day8 h 40 mindaylight on December 21

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

Precipitation32 inper year, rain and melted snow

Snowfall88 inper year; 107 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: Cheboygan, MI (8 mi away); precipitation: Cheboygan, MI (8 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

497575b

Mackinac Island, MI · 9 mi

497015b

Mackinaw City, MI · 13 mi

497215a

Cheboygan, MI · 14 mi

497615a

Mullett Lake, MI · 15 mi

497195a

Cedarville, MI · 17 mi

Goetzville, MI · 27 mi

Michigan planting zones →

Questions about 49775

What planting zone is ZIP code 49775?

ZIP code 49775 (Pointe Aux Pins, MI) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Pointe Aux Pins, MI?

The median last spring frost (32 °F) near 49775 is May 11; after May 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cheboygan station.

When is the first frost in Pointe Aux Pins, MI?

The median first fall frost near 49775 is October 11, giving a median frost-free growing season of 152 days.

When should I plant tomatoes in 49775?

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 49775 get?

About 32 inches of precipitation a year and 88 inches of snowfall (NOAA 1991–2020 normals, Cheboygan station).

How hot do summers get in Pointe Aux Pins, MI?

The average high peaks at 77 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 49775 have?

The USDA soil survey maps Battydoe at the center of ZIP 49775: moderately decomposed plant material, well drained, pH about 4.5 (strongly acidic).

Did spring come early in Pointe Aux Pins, MI in 2026?

Spring leaf-out near 49775 came on May 3 in 2026, 3 days later than the 1991–2020 average (Apr 30), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pointe Aux Pins, MI?

Long-day onions: the longest day near 49775 is 15 h 43 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 49775 change?

Yes. The 2012 USDA map put 49775 in zone 5a; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.