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

Planting zone for 60002 — Antioch, IL

ZIP code 60002 (Antioch, Lake County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 23 and the first fall frost October 21.

Where ZIP 60002 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 23
First frostOct 21
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 Antioch, 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 Antioch, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 23median — 50% chance of a later frost
Safe for tender plantsMay 9only 10% chance of frost after
First fall frostOctober 21median — 10% chance by Oct 6
Growing season179 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 11 and returns around November 1.

From the NOAA station Antioch, IL — within 1 mile, elevation 751 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 60002

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 12 – Mar 26
SpinachSow outdoors · Mar 12 – Apr 2
Broccoli, cabbageStart indoors · Feb 12 – Feb 26
Broccoli, cabbageTransplant · Apr 2 – Apr 16
Onion setsPlant outdoors · Mar 26 – Apr 9
PotatoesPlant outdoors · Apr 2 – Apr 16
LettuceSow outdoors · Mar 26 – Apr 9
Carrots, beetsSow outdoors · Apr 2 – Apr 16
TomatoesStart indoors · Feb 26 – Mar 12
TomatoesTransplant · Apr 30 – May 14
Peppers, eggplantStart indoors · Feb 12 – Feb 26
Peppers, eggplantTransplant · May 7 – May 21
BeansSow outdoors · Apr 30 – May 14
Sweet cornSow outdoors · Apr 30 – May 14
Cucumbers, squashSow outdoors · Apr 30 – May 14
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 23) 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 60002 came on Mar 28 — 14 days earlier than the 1991–2020 average (Apr 11).

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

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 102

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 210

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 173

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 7

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °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 °Ftrumpet honeysuckle16 ft · blooms late summer · low shade tolerance · to −33 °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 Antioch, IL.

Soil in Antioch, IL

The soil mapped at the center of ZIP 60002 is Ozaukee — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH6.8neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.7%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Ozaukee silt loam, 4 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 60002; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Antioch, IL

Summer high82 °Faverage high, July
Winter low15 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights133nights a year at 32 °F or less
Growing degree days2,897base 50 °F — the season’s usable heat
Longest day15 h 18 mindaylight on June 21
Shortest day9 h 04 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation37.8 inper year, rain and melted snow
Snowfall43 inper year; 61 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 30 °F, low 15 °F 30°15° JanFebruary: average high 33 °F, low 18 °F 33°18° FebMarch: average high 44 °F, low 27 °F 44°27° MarApril: average high 56 °F, low 37 °F 56°37° AprMay: average high 68 °F, low 48 °F 68°48° MayJune: average high 78 °F, low 59 °F 78°59° JunJuly: average high 82 °F, low 64 °F 82°64° JulAugust: average high 81 °F, low 63 °F 81°63° AugSeptember: average high 74 °F, low 55 °F 74°55° SepOctober: average high 61 °F, low 42 °F 61°42° OctNovember: average high 47 °F, low 31 °F 47°31° NovDecember: average high 35 °F, low 21 °F 35°21° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.07 in precipitation, 15.7 in snowfall 2.1❄16 JanFebruary: 1.89 in precipitation, 8 in snowfall 1.9❄8 FebMarch: 2.64 in precipitation, 5.8 in snowfall 2.6❄6 MarApril: 4.12 in precipitation, 1.5 in snowfall 4.1❄2 AprMay: 4.44 in precipitation 4.4 MayJune: 4.20 in precipitation 4.2 JunJuly: 3.92 in precipitation 3.9 JulAugust: 3.27 in precipitation 3.3 AugSeptember: 3.36 in precipitation 3.4 SepOctober: 3.04 in precipitation, 0.1 in snowfall 3.0 OctNovember: 2.54 in precipitation, 3.1 in snowfall 2.5❄3 NovDecember: 2.28 in precipitation, 9.2 in snowfall 2.3❄9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Antioch, IL (within 1 mile); precipitation: Lake Villa 2ne, IL (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 5b.

531025b
Benet Lake, WI · 2 mi
531795b
Trevor, WI · 4 mi
600465b
Lake Villa, IL · 4 mi
531095b
Camp Lake, WI · 5 mi
531925b
Wilmot, WI · 6 mi
531045b
Bristol, WI · 6 mi
600205b
Fox Lake, IL · 6 mi
600815b
Spring Grove, IL · 7 mi

Illinois planting zones →

Questions about 60002

What planting zone is ZIP code 60002?

ZIP code 60002 (Antioch, 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 Antioch, IL?

The median last spring frost (32 °F) near 60002 is April 23; after May 9 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Antioch station.

When is the first frost in Antioch, IL?

The median first fall frost near 60002 is October 21, giving a median frost-free growing season of 179 days.

When should I plant tomatoes in 60002?

Start tomato seeds indoors around Feb 26 – Mar 12 and set transplants outside around Apr 30 – May 14, one to three weeks after the median last frost.

How much rain and snow does 60002 get?

About 37.8 inches of precipitation a year and 43 inches of snowfall (NOAA 1991–2020 normals, Lake Villa 2ne station).

How hot do summers get in Antioch, IL?

The average high peaks at 82 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 60002 have?

The USDA soil survey maps Ozaukee at the center of ZIP 60002: silt loam, moderately well drained, pH about 6.8 (neutral).

Did spring come early in Antioch, IL in 2026?

Spring leaf-out near 60002 came on Mar 28 in 2026, 14 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Antioch, IL?

Long-day onions: the longest day near 60002 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).