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

Planting zone for 49827 — Engadine, MI

ZIP code 49827 (Engadine, Mackinac County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 26 and the first fall frost September 30.

Where ZIP 49827 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.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostMay 26
First frostSep 30
2012 zone5a

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 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Engadine, 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 Engadine, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 26median — 50% chance of a later frost
Safe for tender plantsJune 10only 10% chance of frost after
First fall frostSeptember 30median — 10% chance by Sep 13
Growing season127 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 11 and returns around October 12.

From the NOAA station Engadine Mdot, MI — 4 miles away, elevation 686 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 49827

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 14 – Apr 28
SpinachSow outdoors · Apr 14 – May 5
Broccoli, cabbageStart indoors · Mar 17 – Mar 31
Broccoli, cabbageTransplant · May 5 – May 19
Onion setsPlant outdoors · Apr 28 – May 12
PotatoesPlant outdoors · May 5 – May 19
LettuceSow outdoors · Apr 28 – May 12
Carrots, beetsSow outdoors · May 5 – May 19
TomatoesStart indoors · Mar 31 – Apr 14
TomatoesTransplant · Jun 2 – Jun 16
Peppers, eggplantStart indoors · Mar 17 – Mar 31
Peppers, eggplantTransplant · Jun 9 – Jun 23
BeansSow outdoors · Jun 2 – Jun 16
Sweet cornSow outdoors · Jun 2 – Jun 16
Cucumbers, squashSow outdoors · Jun 2 – Jun 16
Fall lettuce, spinachSow outdoors · Aug 5 – Aug 19
GarlicPlant cloves · Sep 16 – Oct 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 26) and first fall frost (Sep 30) 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 49827 came on May 3 — 3 days later than the 1991–2020 average (Apr 30).

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 5a in Michigan

551 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 54

Shrubs 103

Wildflowers & perennials 207

Grasses 166

Vines 7

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 Engadine, MI.

Soil in Engadine, MI

The soil mapped at the center of ZIP 49827 is Moltke — loam, somewhat poorly drained.

TextureLoama good balance for most vegetables
pH5.6moderately acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter5%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Moltke loam, 0 to 3 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 49827; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Engadine, MI

Summer high77 °Faverage high, July
Winter low7 °Faverage low, January
Hot days1days a year at 90 °F or more
Freezing nights193nights a year at 32 °F or less
Growing degree days1,551base 50 °F — the season’s usable heat
Longest day15 h 47 mindaylight on June 21
Shortest day8 h 37 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation33.8 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 26 °F, low 7 °F 26°7° JanFebruary: average high 27 °F, low 7 °F 27°7° FebMarch: average high 36 °F, low 14 °F 36°14° MarApril: average high 48 °F, low 26 °F 48°26° AprMay: average high 62 °F, low 38 °F 62°38° MayJune: average high 73 °F, low 48 °F 73°48° JunJuly: average high 77 °F, low 53 °F 77°53° JulAugust: average high 76 °F, low 52 °F 76°52° AugSeptember: average high 68 °F, low 46 °F 68°46° SepOctober: average high 55 °F, low 35 °F 55°35° OctNovember: average high 41 °F, low 26 °F 41°26° NovDecember: average high 31 °F, low 14 °F 31°14° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.19 in precipitation 2.2 JanFebruary: 1.33 in precipitation 1.3 FebMarch: 1.99 in precipitation 2.0 MarApril: 2.56 in precipitation 2.6 AprMay: 2.77 in precipitation 2.8 MayJune: 3.03 in precipitation 3.0 JunJuly: 3.28 in precipitation 3.3 JulAugust: 3.03 in precipitation 3.0 AugSeptember: 3.95 in precipitation 4.0 SepOctober: 4.31 in precipitation 4.3 OctNovember: 2.91 in precipitation 2.9 NovDecember: 2.49 in precipitation 2.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Engadine Mdot, MI (4 mi away); precipitation: Newberry Correctional Facility, MI (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Michigan planting zones →

Questions about 49827

What planting zone is ZIP code 49827?

ZIP code 49827 (Engadine, MI) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Engadine, MI?

The median last spring frost (32 °F) near 49827 is May 26; after June 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Engadine Mdot station.

When is the first frost in Engadine, MI?

The median first fall frost near 49827 is September 30, giving a median frost-free growing season of 127 days.

When should I plant tomatoes in 49827?

Start tomato seeds indoors around Mar 31 – Apr 14 and set transplants outside around Jun 2 – Jun 16, one to three weeks after the median last frost.

How much rain and snow does 49827 get?

About 33.8 inches of precipitation a year (NOAA 1991–2020 normals, Newberry Correctional Facility station).

How hot do summers get in Engadine, MI?

The average high peaks at 77 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 49827 have?

The USDA soil survey maps Moltke at the center of ZIP 49827: loam, somewhat poorly drained, pH about 5.6 (moderately acidic).

Did spring come early in Engadine, MI in 2026?

Spring leaf-out near 49827 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 Engadine, MI?

Long-day onions: the longest day near 49827 is 15 h 47 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).