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

Planting zone for 49058 — Hastings, MI

ZIP code 49058 (Hastings, Barry County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 3 and the first fall frost October 12.

Where ZIP 49058 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 3
First frostOct 12
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 Hastings, 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 Hastings, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 3median — 50% chance of a later frost
Safe for tender plantsMay 22only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Sep 29
Growing season158 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 24 and returns around October 26.

From the NOAA station Hastings, MI — within 1 mile, elevation 820 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 49058

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 22 – Apr 5
SpinachSow outdoors · Mar 22 – Apr 12
Broccoli, cabbageStart indoors · Feb 22 – Mar 8
Broccoli, cabbageTransplant · Apr 12 – Apr 26
Onion setsPlant outdoors · Apr 5 – Apr 19
PotatoesPlant outdoors · Apr 12 – Apr 26
LettuceSow outdoors · Apr 5 – Apr 19
Carrots, beetsSow outdoors · Apr 12 – Apr 26
TomatoesStart indoors · Mar 8 – Mar 22
TomatoesTransplant · May 10 – May 24
Peppers, eggplantStart indoors · Feb 22 – Mar 8
Peppers, eggplantTransplant · May 17 – May 31
BeansSow outdoors · May 10 – May 24
Sweet cornSow outdoors · May 10 – May 24
Cucumbers, squashSow outdoors · May 10 – May 24
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 12) 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 49058 came on Mar 30 — 10 days earlier than the 1991–2020 average (Apr 9).

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 Hastings, MI.

Soil in Hastings, MI

The soil mapped at the center of ZIP 49058 is Coloma — loamy sand, somewhat excessively drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH5.9moderately acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter1.2%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Coloma loamy 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 49058; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hastings, MI

Summer high82 °Faverage high, July
Winter low16 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights151nights a year at 32 °F or less
Growing degree days2,536base 50 °F — the season’s usable heat
Longest day15 h 19 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)
Precipitation39.6 inper year, rain and melted snow
Snowfall68 inper year; 71 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 31 °F, low 16 °F 31°16° JanFebruary: average high 34 °F, low 16 °F 34°16° FebMarch: average high 44 °F, low 24 °F 44°24° MarApril: average high 57 °F, low 34 °F 57°34° AprMay: average high 69 °F, low 45 °F 69°45° MayJune: average high 78 °F, low 55 °F 78°55° JunJuly: average high 82 °F, low 59 °F 82°59° JulAugust: average high 80 °F, low 57 °F 80°57° AugSeptember: average high 74 °F, low 50 °F 74°50° SepOctober: average high 61 °F, low 39 °F 61°39° OctNovember: average high 47 °F, low 30 °F 47°30° NovDecember: average high 35 °F, low 22 °F 35°22° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.62 in precipitation, 21.5 in snowfall 2.6❄22 JanFebruary: 2.13 in precipitation, 15.3 in snowfall 2.1❄15 FebMarch: 2.47 in precipitation, 7.2 in snowfall 2.5❄7 MarApril: 3.83 in precipitation, 2.1 in snowfall 3.8❄2 AprMay: 4.40 in precipitation 4.4 MayJune: 4.19 in precipitation 4.2 JunJuly: 3.43 in precipitation 3.4 JulAugust: 3.84 in precipitation 3.8 AugSeptember: 3.30 in precipitation 3.3 SepOctober: 3.99 in precipitation, 0.3 in snowfall 4.0 OctNovember: 2.92 in precipitation, 5.4 in snowfall 2.9❄5 NovDecember: 2.47 in precipitation, 16.2 in snowfall 2.5❄16 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hastings, MI (within 1 mile); precipitation: Hastings, MI (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

Michigan planting zones →

Questions about 49058

What planting zone is ZIP code 49058?

ZIP code 49058 (Hastings, 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 Hastings, MI?

The median last spring frost (32 °F) near 49058 is May 3; after May 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hastings station.

When is the first frost in Hastings, MI?

The median first fall frost near 49058 is October 12, giving a median frost-free growing season of 158 days.

When should I plant tomatoes in 49058?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 49058 get?

About 39.6 inches of precipitation a year and 68 inches of snowfall (NOAA 1991–2020 normals, Hastings station).

How hot do summers get in Hastings, MI?

The average high peaks at 82 °F in July, with about 10 days a year at 90 °F or more.

What kind of soil does 49058 have?

The USDA soil survey maps Coloma at the center of ZIP 49058: loamy sand, somewhat excessively drained, pH about 5.9 (moderately acidic).

Did spring come early in Hastings, MI in 2026?

Spring leaf-out near 49058 came on Mar 30 in 2026, 10 days earlier than the 1991–2020 average (Apr 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Hastings, MI?

Long-day onions: the longest day near 49058 is 15 h 19 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 49058 change?

Yes. The 2012 USDA map put 49058 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.