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

Planting zone for Midland, MI

Midland, MI is in USDA zone 6a across its 7 ZIP codes. The median last spring frost is April 29 and the first fall frost October 16.

Midland on the zone map

Outlined: its 2 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.

Zone6a−10 to −5 °F
ZIP codes7
Last frostApr 29
First frostOct 16
Growing season167 days

6a 7 ZIPs

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 Midland, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 29median — 50% chance of a later frost
Safe for tender plantsMay 16only 10% chance of frost after
First fall frostOctober 16median — 10% chance by Oct 1
Growing season167 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 18 and returns around October 31.

From the NOAA station Midland, MI, elevation 640 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 Midland

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 18 – Apr 1
SpinachSow outdoors · Mar 18 – Apr 8
Broccoli, cabbageStart indoors · Feb 18 – Mar 4
Broccoli, cabbageTransplant · Apr 8 – Apr 22
Onion setsPlant outdoors · Apr 1 – Apr 15
PotatoesPlant outdoors · Apr 8 – Apr 22
LettuceSow outdoors · Apr 1 – Apr 15
Carrots, beetsSow outdoors · Apr 8 – Apr 22
TomatoesStart indoors · Mar 4 – Mar 18
TomatoesTransplant · May 6 – May 20
Peppers, eggplantStart indoors · Feb 18 – Mar 4
Peppers, eggplantTransplant · May 13 – May 27
BeansSow outdoors · May 6 – May 20
Sweet cornSow outdoors · May 6 – May 20
Cucumbers, squashSow outdoors · May 6 – May 20
Fall lettuce, spinachSow outdoors · Aug 21 – Sep 4
GarlicPlant cloves · Oct 2 – Nov 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 29) and first fall frost (Oct 16) 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 48670 came on Apr 11 — about the same time as 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 Midland, MI.

Soil in Midland, MI

The soil mapped at the center of ZIP 48670 is Oakville — fine sand, moderately well drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2.25%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Oakville fine 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 48670; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Midland, MI

Summer high82 °Faverage high, July
Winter low17 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights136nights a year at 32 °F or less
Growing degree days2,691base 50 °F — the season’s usable heat
Longest day15 h 26 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)
Precipitation33.4 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 29 °F, low 17 °F 29°17° JanFebruary: average high 32 °F, low 18 °F 32°18° FebMarch: average high 43 °F, low 25 °F 43°25° MarApril: average high 56 °F, low 36 °F 56°36° AprMay: average high 68 °F, low 48 °F 68°48° MayJune: average high 78 °F, low 57 °F 78°57° JunJuly: average high 82 °F, low 62 °F 82°62° JulAugust: average high 80 °F, low 60 °F 80°60° AugSeptember: average high 73 °F, low 52 °F 73°52° SepOctober: average high 60 °F, low 42 °F 60°42° OctNovember: average high 46 °F, low 32 °F 46°32° NovDecember: average high 34 °F, low 23 °F 34°23° Dec

Precipitation by month inches

0″1″2″3″4″January: 2.01 in precipitation 2.0 JanFebruary: 1.92 in precipitation 1.9 FebMarch: 2.00 in precipitation 2.0 MarApril: 3.48 in precipitation 3.5 AprMay: 3.74 in precipitation 3.7 MayJune: 3.71 in precipitation 3.7 JunJuly: 2.82 in precipitation 2.8 JulAugust: 3.17 in precipitation 3.2 AugSeptember: 2.82 in precipitation 2.8 SepOctober: 3.14 in precipitation 3.1 OctNovember: 2.65 in precipitation 2.6 NovDecember: 1.95 in precipitation 1.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Midland, MI (3 mi away); precipitation: Midland, MI (3 mi away). Daylight is calculated from latitude.

ZIP codes in Midland

Michigan planting zones →

Questions about Midland

What planting zone is Midland, MI?

Midland, MI is in USDA hardiness zone 6a on the 2023 map (6a: −10 to −5 °F).

When is the last frost in Midland, MI?

The median last spring frost is April 29 and the median first fall frost is October 16 (NOAA 1991–2020 normals, Midland station).

When can I plant a garden in Midland, MI?

Cool-season crops like peas and spinach go in around Mar 18 – Apr 8; tomatoes, peppers, beans and squash after about May 6, once frost risk has passed.

What kind of onions grow in Midland, MI?

Long-day onions: the longest day is 15 h 26 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Midland, MI get?

About 33.4 inches of precipitation a year (NOAA 1991–2020 normals).