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

Planting zone for 49777 — Presque Isle, MI

ZIP code 49777 (Presque Isle, Presque Isle County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 13 and the first fall frost October 3.

Where ZIP 49777 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostMay 13
First frostOct 3
2012 zone5b

Was 5b 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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Presque Isle, 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 Presque Isle, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 13median — 50% chance of a later frost
Safe for tender plantsMay 30only 10% chance of frost after
First fall frostOctober 3median — 10% chance by Sep 22
Growing season141 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 14.

From the NOAA station Alpena 10nw, MI — 10 miles away, elevation 742 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 49777

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 1 – Apr 15
SpinachSow outdoors · Apr 1 – Apr 22
Broccoli, cabbageStart indoors · Mar 4 – Mar 18
Broccoli, cabbageTransplant · Apr 22 – May 6
Onion setsPlant outdoors · Apr 15 – Apr 29
PotatoesPlant outdoors · Apr 22 – May 6
LettuceSow outdoors · Apr 15 – Apr 29
Carrots, beetsSow outdoors · Apr 22 – May 6
TomatoesStart indoors · Mar 18 – Apr 1
TomatoesTransplant · May 20 – Jun 3
Peppers, eggplantStart indoors · Mar 4 – Mar 18
Peppers, eggplantTransplant · May 27 – Jun 10
BeansSow outdoors · May 20 – Jun 3
Sweet cornSow outdoors · May 20 – Jun 3
Cucumbers, squashSow outdoors · May 20 – Jun 3
Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22
GarlicPlant cloves · Sep 19 – Oct 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 13) and first fall frost (Oct 3) 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 49777 came on Apr 24 — 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 6a in Michigan

580 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 105

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 220

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 174

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 8

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 creeper2 ft · blooms summer · high shade tolerance · to −13 °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 Presque Isle, MI.

Soil in Presque Isle, MI

The soil mapped at the center of ZIP 49777 is Detour — flaggy loam, somewhat poorly drained.

TextureFlaggy loama good balance for most vegetables
pH6.5neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2.5%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Detour flaggy 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 49777; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Presque Isle, MI

Summer high80 °Faverage high, August
Winter low10 °Faverage low, February
Hot days9days a year at 90 °F or more
Freezing nights174nights a year at 32 °F or less
Growing degree days1,977base 50 °F — the season’s usable heat
Longest day15 h 39 mindaylight on June 21
Shortest day8 h 44 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation29.7 inper year, rain and melted snow
Snowfall78 inper year; 109 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 26 °F, low 11 °F 26°11° JanFebruary: average high 29 °F, low 10 °F 29°10° FebMarch: average high 39 °F, low 17 °F 39°17° MarApril: average high 51 °F, low 29 °F 51°29° AprMay: average high 65 °F, low 41 °F 65°41° MayJune: average high 76 °F, low 50 °F 76°50° JunJuly: average high 79 °F, low 56 °F 79°56° JulAugust: average high 80 °F, low 54 °F 80°54° AugSeptember: average high 70 °F, low 46 °F 70°46° SepOctober: average high 57 °F, low 36 °F 57°36° OctNovember: average high 43 °F, low 27 °F 43°27° NovDecember: average high 32 °F, low 18 °F 32°18° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 1.81 in precipitation, 19.3 in snowfall 1.8❄19 JanFebruary: 1.52 in precipitation, 17 in snowfall 1.5❄17 FebMarch: 1.81 in precipitation, 10.6 in snowfall 1.8❄11 MarApril: 2.93 in precipitation, 6.6 in snowfall 2.9❄7 AprMay: 2.78 in precipitation, 0.2 in snowfall 2.8 MayJune: 2.74 in precipitation 2.7 JunJuly: 3.20 in precipitation 3.2 JulAugust: 3.09 in precipitation 3.1 AugSeptember: 2.84 in precipitation 2.8 SepOctober: 3.01 in precipitation, 0.4 in snowfall 3.0 OctNovember: 2.07 in precipitation, 6.6 in snowfall 2.1❄7 NovDecember: 1.87 in precipitation, 16.9 in snowfall 1.9❄17 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Alpena 10nw, MI (10 mi away); precipitation: Alpena Co. Regional Airport, MI (16 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.

497765b
Posen, MI · 10 mi
497075b
Alpena, MI · 13 mi
497796a
Rogers City, MI · 19 mi
497435a
Hawks, MI · 20 mi
497445a
Herron, MI · 22 mi
497535a
Lachine, MI · 24 mi
497666a
Ossineke, MI · 26 mi
497465a
Hillman, MI · 28 mi

Michigan planting zones →

Questions about 49777

What planting zone is ZIP code 49777?

ZIP code 49777 (Presque Isle, MI) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Presque Isle, MI?

The median last spring frost (32 °F) near 49777 is May 13; after May 30 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Alpena 10nw station.

When is the first frost in Presque Isle, MI?

The median first fall frost near 49777 is October 3, giving a median frost-free growing season of 141 days.

When should I plant tomatoes in 49777?

Start tomato seeds indoors around Mar 18 – Apr 1 and set transplants outside around May 20 – Jun 3, one to three weeks after the median last frost.

How much rain and snow does 49777 get?

About 29.7 inches of precipitation a year and 78 inches of snowfall (NOAA 1991–2020 normals, Alpena Co. Regional Airport station).

How hot do summers get in Presque Isle, MI?

The average high peaks at 80 °F in August, with about 9 days a year at 90 °F or more.

What kind of soil does 49777 have?

The USDA soil survey maps Detour at the center of ZIP 49777: flaggy loam, somewhat poorly drained, pH about 6.5 (neutral).

Did spring come early in Presque Isle, MI in 2026?

Spring leaf-out near 49777 came on Apr 24 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 Presque Isle, MI?

Long-day onions: the longest day near 49777 is 15 h 39 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 49777 change?

Yes. The 2012 USDA map put 49777 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.