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

Planting zone for 62835 — Enfield, IL

ZIP code 62835 (Enfield, White County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 15 and the first fall frost October 19.

Where ZIP 62835 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 15
First frostOct 19
2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Enfield, 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 Enfield, IL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 15median — 50% chance of a later frost
Safe for tender plantsMay 2only 10% chance of frost after
First fall frostOctober 19median — 10% chance by Oct 4
Growing season183 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 3 and returns around October 28.

From the NOAA station Carmi 3, IL — 8 miles away, elevation 335 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 62835

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 4 – Mar 18
SpinachSow outdoors · Mar 4 – Mar 25
Broccoli, cabbageStart indoors · Feb 4 – Feb 18
Broccoli, cabbageTransplant · Mar 25 – Apr 8
Onion setsPlant outdoors · Mar 18 – Apr 1
PotatoesPlant outdoors · Mar 25 – Apr 8
LettuceSow outdoors · Mar 18 – Apr 1
Carrots, beetsSow outdoors · Mar 25 – Apr 8
TomatoesStart indoors · Feb 18 – Mar 4
TomatoesTransplant · Apr 22 – May 6
Peppers, eggplantStart indoors · Feb 4 – Feb 18
Peppers, eggplantTransplant · Apr 29 – May 13
BeansSow outdoors · Apr 22 – May 6
Sweet cornSow outdoors · Apr 22 – May 6
Cucumbers, squashSow outdoors · Apr 22 – May 6
Fall lettuce, spinachSow outdoors · Aug 24 – Sep 7
GarlicPlant cloves · Oct 5 – Nov 9
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 15) and first fall frost (Oct 19) 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 62835 came on Mar 5 — 8 days earlier than the 1991–2020 average (Mar 13).

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 Enfield, IL.

Soil in Enfield, IL

The soil mapped at the center of ZIP 62835 is Creal — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classPrime farmland if drainedUSDA classification

Map unit: Creal silt 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 62835; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Enfield, IL

Summer high88 °Faverage high, July
Winter low21 °Faverage low, January
Hot days38days a year at 90 °F or more
Freezing nights103nights a year at 32 °F or less
Growing degree days3,921base 50 °F — the season’s usable heat
Longest day14 h 49 mindaylight on June 21
Shortest day9 h 31 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation48.3 inper year, rain and melted snow
Snowfall12 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 41 °F, low 21 °F 41°21° JanFebruary: average high 46 °F, low 23 °F 46°23° FebMarch: average high 56 °F, low 33 °F 56°33° MarApril: average high 68 °F, low 43 °F 68°43° AprMay: average high 77 °F, low 54 °F 77°54° MayJune: average high 85 °F, low 63 °F 85°63° JunJuly: average high 88 °F, low 66 °F 88°66° JulAugust: average high 87 °F, low 63 °F 87°63° AugSeptember: average high 81 °F, low 55 °F 81°55° SepOctober: average high 70 °F, low 43 °F 70°43° OctNovember: average high 56 °F, low 32 °F 56°32° NovDecember: average high 45 °F, low 25 °F 45°25° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.50 in precipitation, 2.5 in snowfall 3.5❄3 JanFebruary: 3.11 in precipitation, 4.9 in snowfall 3.1❄5 FebMarch: 4.37 in precipitation, 1.8 in snowfall 4.4❄2 MarApril: 5.17 in precipitation 5.2 AprMay: 5.16 in precipitation 5.2 MayJune: 4.31 in precipitation 4.3 JunJuly: 4.43 in precipitation 4.4 JulAugust: 3.50 in precipitation 3.5 AugSeptember: 3.22 in precipitation 3.2 SepOctober: 3.43 in precipitation, 0.2 in snowfall 3.4 OctNovember: 4.22 in precipitation, 0.2 in snowfall 4.2 NovDecember: 3.90 in precipitation, 2.1 in snowfall 3.9❄2 Dec

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

Nearby ZIP codes

3 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 62835

What planting zone is ZIP code 62835?

ZIP code 62835 (Enfield, 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 Enfield, IL?

The median last spring frost (32 °F) near 62835 is April 15; after May 2 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Carmi 3 station.

When is the first frost in Enfield, IL?

The median first fall frost near 62835 is October 19, giving a median frost-free growing season of 183 days.

When should I plant tomatoes in 62835?

Start tomato seeds indoors around Feb 18 – Mar 4 and set transplants outside around Apr 22 – May 6, one to three weeks after the median last frost.

How much rain and snow does 62835 get?

About 48.3 inches of precipitation a year and 12 inches of snowfall (NOAA 1991–2020 normals, Carmi 3 station).

How hot do summers get in Enfield, IL?

The average high peaks at 88 °F in July, with about 38 days a year at 90 °F or more.

What kind of soil does 62835 have?

The USDA soil survey maps Creal at the center of ZIP 62835: silt loam, somewhat poorly drained, pH about 6.2 (slightly acidic).

Did spring come early in Enfield, IL in 2026?

Spring leaf-out near 62835 came on Mar 5 in 2026, 8 days earlier than the 1991–2020 average (Mar 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Enfield, IL?

Intermediate onions: the longest day near 62835 is 14 h 49 min, so day-neutral types bulb best; long-day varieties may not bulb fully.