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

Planting zone for 62444 — Mode, IL

ZIP code 62444 (Mode, Shelby County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 10 and the first fall frost October 24.

Where ZIP 62444 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 10
First frostOct 24
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mode, 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 Mode, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 10median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 8
Growing season195 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 3.

From the NOAA station Shelbyville Dam, IL — 9 miles away, elevation 650 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 62444

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 27 – Mar 13
SpinachSow outdoors · Feb 27 – Mar 20
Broccoli, cabbageStart indoors · Jan 30 – Feb 13
Broccoli, cabbageTransplant · Mar 20 – Apr 3
Onion setsPlant outdoors · Mar 13 – Mar 27
PotatoesPlant outdoors · Mar 20 – Apr 3
LettuceSow outdoors · Mar 13 – Mar 27
Carrots, beetsSow outdoors · Mar 20 – Apr 3
TomatoesStart indoors · Feb 13 – Feb 27
TomatoesTransplant · Apr 17 – May 1
Peppers, eggplantStart indoors · Jan 30 – Feb 13
Peppers, eggplantTransplant · Apr 24 – May 8
BeansSow outdoors · Apr 17 – May 1
Sweet cornSow outdoors · Apr 17 – May 1
Cucumbers, squashSow outdoors · Apr 17 – May 1
Fall lettuce, spinachSow outdoors · Aug 29 – Sep 12
GarlicPlant cloves · Oct 10 – Nov 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 10) and first fall frost (Oct 24) 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 62444 came on Mar 11 — 11 days earlier than the 1991–2020 average (Mar 22).

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 6b in Illinois

620 plants native to the lower 48 states, recorded in Illinois, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 80

Shrubs 108

Wildflowers & perennials 222

Grasses 182

Vines 11

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 Mode, IL.

Soil in Mode, IL

The soil mapped at the center of ZIP 62444 is Hickory — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.8neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Hickory silt loam, 35 to 60 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 62444; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mode, IL

Summer high86 °Faverage high, July
Winter low19 °Faverage low, January
Hot days26days a year at 90 °F or more
Freezing nights114nights a year at 32 °F or less
Growing degree days3,769base 50 °F — the season’s usable heat
Longest day14 h 56 mindaylight on June 21
Shortest day9 h 24 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation44.5 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 36 °F, low 19 °F 36°19° JanFebruary: average high 41 °F, low 23 °F 41°23° FebMarch: average high 52 °F, low 32 °F 52°32° MarApril: average high 64 °F, low 43 °F 64°43° AprMay: average high 74 °F, low 54 °F 74°54° MayJune: average high 83 °F, low 63 °F 83°63° JunJuly: average high 86 °F, low 67 °F 86°67° JulAugust: average high 85 °F, low 65 °F 85°65° AugSeptember: average high 80 °F, low 57 °F 80°57° SepOctober: average high 67 °F, low 45 °F 67°45° OctNovember: average high 52 °F, low 34 °F 52°34° NovDecember: average high 41 °F, low 25 °F 41°25° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 2.80 in precipitation 2.8 JanFebruary: 2.08 in precipitation 2.1 FebMarch: 2.86 in precipitation 2.9 MarApril: 5.04 in precipitation 5.0 AprMay: 4.89 in precipitation 4.9 MayJune: 5.38 in precipitation 5.4 JunJuly: 4.79 in precipitation 4.8 JulAugust: 3.41 in precipitation 3.4 AugSeptember: 3.09 in precipitation 3.1 SepOctober: 4.15 in precipitation 4.2 OctNovember: 3.53 in precipitation 3.5 NovDecember: 2.45 in precipitation 2.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Shelbyville Dam, IL (9 mi away); precipitation: Mode 3.7 Nw, IL (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Illinois planting zones →

Questions about 62444

What planting zone is ZIP code 62444?

ZIP code 62444 (Mode, IL) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Mode, IL?

The median last spring frost (32 °F) near 62444 is April 10; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Shelbyville Dam station.

When is the first frost in Mode, IL?

The median first fall frost near 62444 is October 24, giving a median frost-free growing season of 195 days.

When should I plant tomatoes in 62444?

Start tomato seeds indoors around Feb 13 – Feb 27 and set transplants outside around Apr 17 – May 1, one to three weeks after the median last frost.

How much rain and snow does 62444 get?

About 44.5 inches of precipitation a year (NOAA 1991–2020 normals, Mode 3.7 Nw station).

How hot do summers get in Mode, IL?

The average high peaks at 86 °F in July, with about 26 days a year at 90 °F or more.

What kind of soil does 62444 have?

The USDA soil survey maps Hickory at the center of ZIP 62444: silt loam, well drained, pH about 6.8 (neutral).

Did spring come early in Mode, IL in 2026?

Spring leaf-out near 62444 came on Mar 11 in 2026, 11 days earlier than the 1991–2020 average (Mar 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mode, IL?

Intermediate onions: the longest day near 62444 is 14 h 56 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 62444 change?

Yes. The 2012 USDA map put 62444 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.