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

Planting zone for 61936 — La Place, IL

ZIP code 61936 (La Place, Piatt County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 16 and the first fall frost October 22.

Where ZIP 61936 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 16
First frostOct 22
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 La Place, 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 La Place, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 16median — 50% chance of a later frost
Safe for tender plantsApril 30only 10% chance of frost after
First fall frostOctober 22median — 10% chance by Oct 7
Growing season187 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 5 and returns around November 2.

From the NOAA station Decatur Airport, IL — 7 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 61936

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 5 – Mar 19
SpinachSow outdoors · Mar 5 – Mar 26
Broccoli, cabbageStart indoors · Feb 5 – Feb 19
Broccoli, cabbageTransplant · Mar 26 – Apr 9
Onion setsPlant outdoors · Mar 19 – Apr 2
PotatoesPlant outdoors · Mar 26 – Apr 9
LettuceSow outdoors · Mar 19 – Apr 2
Carrots, beetsSow outdoors · Mar 26 – Apr 9
TomatoesStart indoors · Feb 19 – Mar 5
TomatoesTransplant · Apr 23 – May 7
Peppers, eggplantStart indoors · Feb 5 – Feb 19
Peppers, eggplantTransplant · Apr 30 – May 14
BeansSow outdoors · Apr 23 – May 7
Sweet cornSow outdoors · Apr 23 – May 7
Cucumbers, squashSow outdoors · Apr 23 – May 7
Fall lettuce, spinachSow outdoors · Aug 27 – Sep 10
GarlicPlant cloves · Oct 8 – Nov 12
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 16) and first fall frost (Oct 22) 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 61936 came on Mar 10 — 16 days earlier than the 1991–2020 average (Mar 26).

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

Shrubs 108

Wildflowers & perennials 220

Grasses 178

Vines 9

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 La Place, IL.

Soil in La Place, IL

The soil mapped at the center of ZIP 61936 is Drummer — silty clay loam, poorly drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.7neutral; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter5.5%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Drummer-Milford silty clay loams, 0 to 2 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 61936; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in La Place, IL

Summer high86 °Faverage high, July
Winter low20 °Faverage low, January
Hot days27days a year at 90 °F or more
Freezing nights113nights a year at 32 °F or less
Growing degree days3,646base 50 °F — the season’s usable heat
Longest day15 h 00 mindaylight on June 21
Shortest day9 h 21 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation40.6 inper year, rain and melted snow
Snowfall7 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 35 °F, low 20 °F 35°20° JanFebruary: average high 40 °F, low 23 °F 40°23° FebMarch: average high 52 °F, low 32 °F 52°32° MarApril: average high 64 °F, low 42 °F 64°42° AprMay: average high 74 °F, low 53 °F 74°53° MayJune: average high 83 °F, low 62 °F 83°62° JunJuly: average high 86 °F, low 66 °F 86°66° JulAugust: average high 84 °F, low 63 °F 84°63° AugSeptember: average high 79 °F, low 55 °F 79°55° SepOctober: average high 66 °F, low 44 °F 66°44° OctNovember: average high 51 °F, low 34 °F 51°34° NovDecember: average high 40 °F, low 25 °F 40°25° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 2.31 in precipitation, 3.7 in snowfall 2.3❄4 JanFebruary: 2.07 in precipitation, 1.3 in snowfall 2.1❄1 FebMarch: 2.56 in precipitation, 0.3 in snowfall 2.6 MarApril: 4.34 in precipitation 4.3 AprMay: 4.66 in precipitation 4.7 MayJune: 5.20 in precipitation 5.2 JunJuly: 4.14 in precipitation 4.1 JulAugust: 3.02 in precipitation 3.0 AugSeptember: 3.08 in precipitation 3.1 SepOctober: 3.31 in precipitation 3.3 OctNovember: 3.48 in precipitation, 0.2 in snowfall 3.5 NovDecember: 2.40 in precipitation, 1.2 in snowfall 2.4❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Decatur Airport, IL (7 mi away); precipitation: Hammond, IL (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

Illinois planting zones →

Questions about 61936

What planting zone is ZIP code 61936?

ZIP code 61936 (La Place, 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 La Place, IL?

The median last spring frost (32 °F) near 61936 is April 16; after April 30 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Decatur Airport station.

When is the first frost in La Place, IL?

The median first fall frost near 61936 is October 22, giving a median frost-free growing season of 187 days.

When should I plant tomatoes in 61936?

Start tomato seeds indoors around Feb 19 – Mar 5 and set transplants outside around Apr 23 – May 7, one to three weeks after the median last frost.

How much rain and snow does 61936 get?

About 40.6 inches of precipitation a year and 7 inches of snowfall (NOAA 1991–2020 normals, Hammond station).

How hot do summers get in La Place, IL?

The average high peaks at 86 °F in July, with about 27 days a year at 90 °F or more.

What kind of soil does 61936 have?

The USDA soil survey maps Drummer at the center of ZIP 61936: silty clay loam, poorly drained, pH about 6.7 (neutral).

Did spring come early in La Place, IL in 2026?

Spring leaf-out near 61936 came on Mar 10 in 2026, 16 days earlier than the 1991–2020 average (Mar 26), according to the USA National Phenology Network Spring Index.

What kind of onions grow in La Place, IL?

Intermediate onions: the longest day near 61936 is 15 h 00 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 61936 change?

Yes. The 2012 USDA map put 61936 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.