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

Planting zone for 48951 — Lansing, MI

ZIP code 48951 (Lansing, Ingham County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 28 and the first fall frost October 17.

Where ZIP 48951 is

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 frostApr 28
First frostOct 17
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 Lansing, 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 Lansing, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 16only 10% chance of frost after
First fall frostOctober 17median — 10% chance by Oct 1
Growing season173 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 15 and returns around October 30.

From the NOAA station East Lansing 4 S, MI — 3 miles away, elevation 879 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 48951

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 22 – Sep 5
GarlicPlant cloves · Oct 3 – Nov 7
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 17) 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 48951 came on Apr 1 — 9 days earlier than the 1991–2020 average (Apr 10).

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 Lansing, MI.

Soil in Lansing, MI

The soil mapped at the center of ZIP 48951 is Boyer — sandy loam, well drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH6.5neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Boyer-Spinks complex, 0 to 10 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 48951; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lansing, MI

Summer high83 °Faverage high, July
Winter low18 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights145nights a year at 32 °F or less
Growing degree days2,868base 50 °F — the season’s usable heat
Longest day15 h 20 mindaylight on June 21
Shortest day9 h 02 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation34.3 inper year, rain and melted snow
Snowfall36 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 32 °F, low 18 °F 32°18° JanFebruary: average high 34 °F, low 19 °F 34°19° FebMarch: average high 45 °F, low 27 °F 45°27° MarApril: average high 58 °F, low 37 °F 58°37° AprMay: average high 70 °F, low 48 °F 70°48° MayJune: average high 79 °F, low 58 °F 79°58° JunJuly: average high 83 °F, low 61 °F 83°61° JulAugust: average high 81 °F, low 60 °F 81°60° AugSeptember: average high 76 °F, low 52 °F 76°52° SepOctober: average high 62 °F, low 42 °F 62°42° OctNovember: average high 48 °F, low 32 °F 48°32° NovDecember: average high 37 °F, low 24 °F 37°24° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.08 in precipitation, 14.1 in snowfall 2.1❄14 JanFebruary: 1.60 in precipitation, 7.3 in snowfall 1.6❄7 FebMarch: 1.68 in precipitation, 4.2 in snowfall 1.7❄4 MarApril: 3.55 in precipitation, 0.9 in snowfall 3.5❄1 AprMay: 4.36 in precipitation 4.4 MayJune: 3.79 in precipitation 3.8 JunJuly: 3.37 in precipitation 3.4 JulAugust: 3.45 in precipitation 3.5 AugSeptember: 3.17 in precipitation 3.2 SepOctober: 3.12 in precipitation, 0.3 in snowfall 3.1 OctNovember: 2.55 in precipitation, 1.8 in snowfall 2.5❄2 NovDecember: 1.60 in precipitation, 7.4 in snowfall 1.6❄7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: East Lansing 4 S, MI (3 mi away); precipitation: East Lansing 4 S, MI (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

All 22 ZIP codes in Lansing → · Michigan planting zones →

Questions about 48951

What planting zone is ZIP code 48951?

ZIP code 48951 (Lansing, 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 Lansing, MI?

The median last spring frost (32 °F) near 48951 is April 28; after May 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, East Lansing 4 S station.

When is the first frost in Lansing, MI?

The median first fall frost near 48951 is October 17, giving a median frost-free growing season of 173 days.

When should I plant tomatoes in 48951?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 48951 get?

About 34.3 inches of precipitation a year and 36 inches of snowfall (NOAA 1991–2020 normals, East Lansing 4 S station).

How hot do summers get in Lansing, MI?

The average high peaks at 83 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 48951 have?

The USDA soil survey maps Boyer at the center of ZIP 48951: sandy loam, well drained, pH about 6.5 (neutral).

Did spring come early in Lansing, MI in 2026?

Spring leaf-out near 48951 came on Apr 1 in 2026, 9 days earlier than the 1991–2020 average (Apr 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lansing, MI?

Long-day onions: the longest day near 48951 is 15 h 20 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 48951 change?

Yes. The 2012 USDA map put 48951 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.