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

Planting zone for 61857 — Muncie, IL

ZIP code 61857 (Muncie, Vermilion County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 20 and the first fall frost October 21.

Where ZIP 61857 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 frostApr 20
First frostOct 21
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 Muncie, IL…

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 Muncie, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 20median — 50% chance of a later frost
Safe for tender plantsMay 7only 10% chance of frost after
First fall frostOctober 21median — 10% chance by Oct 8
Growing season182 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 9 and returns around October 31.

From the NOAA station Ogden, IL — 6 miles away, elevation 676 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 61857

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 9 – Mar 23
SpinachSow outdoors · Mar 9 – Mar 30
Broccoli, cabbageStart indoors · Feb 9 – Feb 23
Broccoli, cabbageTransplant · Mar 30 – Apr 13
Onion setsPlant outdoors · Mar 23 – Apr 6
PotatoesPlant outdoors · Mar 30 – Apr 13
LettuceSow outdoors · Mar 23 – Apr 6
Carrots, beetsSow outdoors · Mar 30 – Apr 13
TomatoesStart indoors · Feb 23 – Mar 9
TomatoesTransplant · Apr 27 – May 11
Peppers, eggplantStart indoors · Feb 9 – Feb 23
Peppers, eggplantTransplant · May 4 – May 18
BeansSow outdoors · Apr 27 – May 11
Sweet cornSow outdoors · Apr 27 – May 11
Cucumbers, squashSow outdoors · Apr 27 – May 11
Fall lettuce, spinachSow outdoors · Aug 26 – Sep 9
GarlicPlant cloves · Oct 7 – Nov 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 20) and first fall frost (Oct 21) 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 61857 came on Mar 10 — 18 days earlier than the 1991–2020 average (Mar 28).

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 Illinois

610 plants native to the lower 48 states, recorded in Illinois, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 78

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 108

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 holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 220

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 178

American 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 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °F

Vines 9

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °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 °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 Muncie, IL.

Soil in Muncie, IL

The soil mapped at the center of ZIP 61857 is Shaffton — loam, somewhat poorly drained.

TextureLoama good balance for most vegetables
pH7.0neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classPrime farmland if protected from flooding or not frequently flooded during the growing seasonUSDA classification

Map unit: Shaffton loam, 0 to 2 percent slopes, frequently flooded.

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 61857; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Muncie, IL

Summer high84 °Faverage high, July
Winter low18 °Faverage low, January
Hot days14days a year at 90 °F or more
Freezing nights118nights a year at 32 °F or less
Growing degree days3,471base 50 °F — the season’s usable heat
Longest day15 h 02 mindaylight on June 21
Shortest day9 h 19 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation41.2 inper year, rain and melted snow
Snowfall25 inper year; 31 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 34 °F, low 18 °F 34°18° JanFebruary: average high 39 °F, low 22 °F 39°22° FebMarch: average high 51 °F, low 30 °F 51°30° MarApril: average high 64 °F, low 41 °F 64°41° AprMay: average high 73 °F, low 52 °F 73°52° MayJune: average high 82 °F, low 62 °F 82°62° JunJuly: average high 84 °F, low 65 °F 84°65° JulAugust: average high 83 °F, low 63 °F 83°63° AugSeptember: average high 78 °F, low 56 °F 78°56° SepOctober: average high 66 °F, low 44 °F 66°44° OctNovember: average high 51 °F, low 32 °F 51°32° NovDecember: average high 39 °F, low 24 °F 39°24° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.38 in precipitation, 5.9 in snowfall 2.4❄6 JanFebruary: 2.18 in precipitation, 9.3 in snowfall 2.2❄9 FebMarch: 2.82 in precipitation, 3 in snowfall 2.8❄3 MarApril: 3.88 in precipitation, 0.3 in snowfall 3.9 AprMay: 4.96 in precipitation 5.0 MayJune: 4.96 in precipitation 5.0 JunJuly: 4.39 in precipitation 4.4 JulAugust: 3.50 in precipitation 3.5 AugSeptember: 3.35 in precipitation 3.4 SepOctober: 3.32 in precipitation 3.3 OctNovember: 3.15 in precipitation, 1 in snowfall 3.1❄1 NovDecember: 2.35 in precipitation, 5.5 in snowfall 2.4❄6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Ogden, IL (6 mi away); precipitation: Ogden, IL (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

618446a
Fithian, IL · 2 mi
618586a
Oakwood, IL · 4 mi
618416a
Fairmount, IL · 6 mi
618596a
Ogden, IL · 7 mi
618126a
Armstrong, IL · 8 mi
618316a
Collison, IL · 8 mi
618716a
Royal, IL · 9 mi
618176a
Catlin, IL · 9 mi

Illinois planting zones →

Questions about 61857

What planting zone is ZIP code 61857?

ZIP code 61857 (Muncie, IL) 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 Muncie, IL?

The median last spring frost (32 °F) near 61857 is April 20; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Ogden station.

When is the first frost in Muncie, IL?

The median first fall frost near 61857 is October 21, giving a median frost-free growing season of 182 days.

When should I plant tomatoes in 61857?

Start tomato seeds indoors around Feb 23 – Mar 9 and set transplants outside around Apr 27 – May 11, one to three weeks after the median last frost.

How much rain and snow does 61857 get?

About 41.2 inches of precipitation a year and 25 inches of snowfall (NOAA 1991–2020 normals, Ogden station).

How hot do summers get in Muncie, IL?

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 61857 have?

The USDA soil survey maps Shaffton at the center of ZIP 61857: loam, somewhat poorly drained, pH about 7.0 (neutral).

Did spring come early in Muncie, IL in 2026?

Spring leaf-out near 61857 came on Mar 10 in 2026, 18 days earlier than the 1991–2020 average (Mar 28), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Muncie, IL?

Long-day onions: the longest day near 61857 is 15 h 02 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 61857 change?

Yes. The 2012 USDA map put 61857 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.