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

Planting zone for 61333 — Long Point, IL

ZIP code 61333 (Long Point, Livingston County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 12 and the first fall frost October 28.

Where ZIP 61333 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostApr 12
First frostOct 28
2012 zone5b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Long Point, 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 Long Point, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 12median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostOctober 28median — 10% chance by Oct 16
Growing season199 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 1 and returns around November 8.

From the NOAA station Streator 3 Se, IL — 8 miles away, elevation 610 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 61333

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 1 – Mar 15
SpinachSow outdoors · Mar 1 – Mar 22
Broccoli, cabbageStart indoors · Feb 1 – Feb 15
Broccoli, cabbageTransplant · Mar 22 – Apr 5
Onion setsPlant outdoors · Mar 15 – Mar 29
PotatoesPlant outdoors · Mar 22 – Apr 5
LettuceSow outdoors · Mar 15 – Mar 29
Carrots, beetsSow outdoors · Mar 22 – Apr 5
TomatoesStart indoors · Feb 15 – Mar 1
TomatoesTransplant · Apr 19 – May 3
Peppers, eggplantStart indoors · Feb 1 – Feb 15
Peppers, eggplantTransplant · Apr 26 – May 10
BeansSow outdoors · Apr 19 – May 3
Sweet cornSow outdoors · Apr 19 – May 3
Cucumbers, squashSow outdoors · Apr 19 – May 3
Fall lettuce, spinachSow outdoors · Sep 2 – Sep 16
GarlicPlant cloves · Oct 14 – Nov 18
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 12) and first fall frost (Oct 28) 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 61333 came on Mar 15 — 18 days earlier than the 1991–2020 average (Apr 2).

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 5b in Illinois

584 plants native to the lower 48 states, recorded in Illinois, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 77

Shrubs 102

Wildflowers & perennials 210

Grasses 173

Vines 7

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 Long Point, IL.

Soil in Long Point, IL

The soil mapped at the center of ZIP 61333 is Hartsburg — silty clay loam, poorly drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.8neutral; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter5.25%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Hartsburg silty clay loam, 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 61333; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Long Point, IL

Summer high88 °Faverage high, July
Winter low16 °Faverage low, January
Hot days33days a year at 90 °F or more
Freezing nights118nights a year at 32 °F or less
Growing degree days3,519base 50 °F — the season’s usable heat
Longest day15 h 07 mindaylight on June 21
Shortest day9 h 13 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation39.4 inper year, rain and melted snow
Snowfall26 inper year; 30 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 32 °F, low 16 °F 32°16° JanFebruary: average high 37 °F, low 19 °F 37°19° FebMarch: average high 49 °F, low 29 °F 49°29° MarApril: average high 62 °F, low 40 °F 62°40° AprMay: average high 74 °F, low 52 °F 74°52° MayJune: average high 84 °F, low 62 °F 84°62° JunJuly: average high 88 °F, low 66 °F 88°66° JulAugust: average high 84 °F, low 64 °F 84°64° AugSeptember: average high 78 °F, low 55 °F 78°55° SepOctober: average high 65 °F, low 44 °F 65°44° OctNovember: average high 49 °F, low 32 °F 49°32° NovDecember: average high 37 °F, low 22 °F 37°22° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.56 in precipitation, 9.6 in snowfall 2.6❄10 JanFebruary: 1.92 in precipitation, 4.8 in snowfall 1.9❄5 FebMarch: 2.78 in precipitation, 3.7 in snowfall 2.8❄4 MarApril: 3.73 in precipitation, 0.7 in snowfall 3.7❄1 AprMay: 4.69 in precipitation 4.7 MayJune: 4.67 in precipitation 4.7 JunJuly: 4.10 in precipitation 4.1 JulAugust: 3.70 in precipitation 3.7 AugSeptember: 3.56 in precipitation 3.6 SepOctober: 2.98 in precipitation 3.0 OctNovember: 2.57 in precipitation, 0.8 in snowfall 2.6❄1 NovDecember: 2.17 in precipitation, 6.8 in snowfall 2.2❄7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Streator 3 Se, IL (8 mi away); precipitation: Streator 3 Se, IL (8 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

Illinois planting zones →

Questions about 61333

What planting zone is ZIP code 61333?

ZIP code 61333 (Long Point, IL) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Long Point, IL?

The median last spring frost (32 °F) near 61333 is April 12; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Streator 3 Se station.

When is the first frost in Long Point, IL?

The median first fall frost near 61333 is October 28, giving a median frost-free growing season of 199 days.

When should I plant tomatoes in 61333?

Start tomato seeds indoors around Feb 15 – Mar 1 and set transplants outside around Apr 19 – May 3, one to three weeks after the median last frost.

How much rain and snow does 61333 get?

About 39.4 inches of precipitation a year and 26 inches of snowfall (NOAA 1991–2020 normals, Streator 3 Se station).

How hot do summers get in Long Point, IL?

The average high peaks at 88 °F in July, with about 33 days a year at 90 °F or more.

What kind of soil does 61333 have?

The USDA soil survey maps Hartsburg at the center of ZIP 61333: silty clay loam, poorly drained, pH about 6.8 (neutral).

Did spring come early in Long Point, IL in 2026?

Spring leaf-out near 61333 came on Mar 15 in 2026, 18 days earlier than the 1991–2020 average (Apr 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Long Point, IL?

Long-day onions: the longest day near 61333 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).