Planting zone for 62259 — Menard, IL
ZIP code 62259 (Menard, Randolph County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 8 and the first fall frost October 30.
Where ZIP 62259 is
tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
Was 6b 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 7a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Menard, 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 Menard, IL
A hard freeze (28 °F) usually ends around March 28 and returns around November 10.
From the NOAA station Kaskaskia Rvr Navigation Lock, IL — 7 miles away, elevation 381 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 62259
Counted from the median last spring frost (Apr 8) and first fall frost (Oct 30) 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 62259 came on Mar 1 — 11 days earlier than the 1991–2020 average (Mar 12).
Mar 122026
Mar 1
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 7a in Illinois
633 plants native to the lower 48 states, recorded in Illinois, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.
Trees 81
Shrubs 110
Wildflowers & perennials 226
Grasses 186
Vines 13
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 Menard, IL.
Soil in Menard, IL
The soil mapped at the center of ZIP 62259 is Menfro — silt loam, well drained.
Map unit: Menfro silt loam, 18 to 35 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 62259; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Menard, IL
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Kaskaskia Rvr Navigation Lock, IL (7 mi away); precipitation: Chester, IL (within 1 mile). 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.
Questions about 62259
What planting zone is ZIP code 62259?
ZIP code 62259 (Menard, IL) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).
When is the last frost in Menard, IL?
The median last spring frost (32 °F) near 62259 is April 8; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Kaskaskia Rvr Navigation Lock station.
When is the first frost in Menard, IL?
The median first fall frost near 62259 is October 30, giving a median frost-free growing season of 202 days.
When should I plant tomatoes in 62259?
Start tomato seeds indoors around Feb 11 – Feb 25 and set transplants outside around Apr 15 – Apr 29, one to three weeks after the median last frost.
How much rain and snow does 62259 get?
About 43.9 inches of precipitation a year and 12 inches of snowfall (NOAA 1991–2020 normals, Chester station).
How hot do summers get in Menard, IL?
The average high peaks at 89 °F in July, with about 58 days a year at 90 °F or more.
What kind of soil does 62259 have?
The USDA soil survey maps Menfro at the center of ZIP 62259: silt loam, well drained, pH about 6.2 (slightly acidic).
Did spring come early in Menard, IL in 2026?
Spring leaf-out near 62259 came on Mar 1 in 2026, 11 days earlier than the 1991–2020 average (Mar 12), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Menard, IL?
Intermediate onions: the longest day near 62259 is 14 h 48 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 62259 change?
Yes. The 2012 USDA map put 62259 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.