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

Planting zone for 48884 — Sheridan, MI

ZIP code 48884 (Sheridan, Montcalm County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 18 and the first fall frost September 28.

Where ZIP 48884 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 18
First frostSep 28
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 Sheridan, 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 Sheridan, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 18median — 50% chance of a later frost
Safe for tender plantsJune 3only 10% chance of frost after
First fall frostSeptember 28median — 10% chance by Sep 15
Growing season133 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 4 and returns around October 7.

From the NOAA station Greenville 2 Nne, MI — 10 miles away, elevation 883 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 48884

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 6 – Apr 20
SpinachSow outdoors · Apr 6 – Apr 27
Broccoli, cabbageStart indoors · Mar 9 – Mar 23
Broccoli, cabbageTransplant · Apr 27 – May 11
Onion setsPlant outdoors · Apr 20 – May 4
PotatoesPlant outdoors · Apr 27 – May 11
LettuceSow outdoors · Apr 20 – May 4
Carrots, beetsSow outdoors · Apr 27 – May 11
TomatoesStart indoors · Mar 23 – Apr 6
TomatoesTransplant · May 25 – Jun 8
Peppers, eggplantStart indoors · Mar 9 – Mar 23
Peppers, eggplantTransplant · Jun 1 – Jun 15
BeansSow outdoors · May 25 – Jun 8
Sweet cornSow outdoors · May 25 – Jun 8
Cucumbers, squashSow outdoors · May 25 – Jun 8
Fall lettuce, spinachSow outdoors · Aug 3 – Aug 17
GarlicPlant cloves · Sep 14 – Oct 19
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 18) and first fall frost (Sep 28) 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 48884 came on Apr 10 — 3 days earlier than the 1991–2020 average (Apr 13).

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

Shrubs 105

Wildflowers & perennials 220

Grasses 174

Vines 8

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 Sheridan, MI.

Soil in Sheridan, MI

The soil mapped at the center of ZIP 48884 is Rifle — muck, very poorly drained.

TextureMucktop layer
DrainageVery poorly drainedconsider raised beds
Organic matter82.5%high
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Rifle and Tawas peats, 0 to 2 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 48884; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Sheridan, MI

Summer high84 °Faverage high, July
Winter low13 °Faverage low, January
Hot days14days a year at 90 °F or more
Freezing nights162nights a year at 32 °F or less
Growing degree days2,506base 50 °F — the season’s usable heat
Longest day15 h 23 mindaylight on June 21
Shortest day8 h 59 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.6 inper year, rain and melted snow
Snowfall73 inper year; 73 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 31 °F, low 13 °F 31°13° JanFebruary: average high 34 °F, low 13 °F 34°13° FebMarch: average high 46 °F, low 22 °F 46°22° MarApril: average high 59 °F, low 32 °F 59°32° AprMay: average high 71 °F, low 44 °F 71°44° MayJune: average high 80 °F, low 53 °F 80°53° JunJuly: average high 84 °F, low 56 °F 84°56° JulAugust: average high 82 °F, low 55 °F 82°55° AugSeptember: average high 75 °F, low 48 °F 75°48° SepOctober: average high 62 °F, low 37 °F 62°37° OctNovember: average high 48 °F, low 27 °F 48°27° NovDecember: average high 36 °F, low 19 °F 36°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.23 in precipitation, 20.3 in snowfall 2.2❄20 JanFebruary: 1.94 in precipitation, 16.5 in snowfall 1.9❄17 FebMarch: 2.43 in precipitation, 9.4 in snowfall 2.4❄9 MarApril: 3.90 in precipitation, 2.5 in snowfall 3.9❄3 AprMay: 4.05 in precipitation 4.0 MayJune: 3.62 in precipitation 3.6 JunJuly: 3.05 in precipitation 3.0 JulAugust: 3.50 in precipitation 3.5 AugSeptember: 3.04 in precipitation 3.0 SepOctober: 3.54 in precipitation, 0.4 in snowfall 3.5 OctNovember: 2.98 in precipitation, 5 in snowfall 3.0❄5 NovDecember: 2.37 in precipitation, 18.8 in snowfall 2.4❄19 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Greenville 2 Nne, MI (10 mi away); precipitation: Greenville 2 Nne, MI (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

3 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 48884

What planting zone is ZIP code 48884?

ZIP code 48884 (Sheridan, 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 Sheridan, MI?

The median last spring frost (32 °F) near 48884 is May 18; after June 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Greenville 2 Nne station.

When is the first frost in Sheridan, MI?

The median first fall frost near 48884 is September 28, giving a median frost-free growing season of 133 days.

When should I plant tomatoes in 48884?

Start tomato seeds indoors around Mar 23 – Apr 6 and set transplants outside around May 25 – Jun 8, one to three weeks after the median last frost.

How much rain and snow does 48884 get?

About 36.6 inches of precipitation a year and 73 inches of snowfall (NOAA 1991–2020 normals, Greenville 2 Nne station).

How hot do summers get in Sheridan, MI?

The average high peaks at 84 °F in July, with about 14 days a year at 90 °F or more.

What kind of soil does 48884 have?

The USDA soil survey maps Rifle at the center of ZIP 48884: muck, very poorly drained.

Did spring come early in Sheridan, MI in 2026?

Spring leaf-out near 48884 came on Apr 10 in 2026, 3 days earlier than the 1991–2020 average (Apr 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Sheridan, MI?

Long-day onions: the longest day near 48884 is 15 h 23 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 48884 change?

Yes. The 2012 USDA map put 48884 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.