Planting zone for 60967 — Stockland, IL
ZIP code 60967 (Stockland, Iroquois County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 25 and the first fall frost October 13.
Where ZIP 60967 is
Outlined: the ZIP code area · 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.
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 ServiceLoading the forecast for Stockland, 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 Stockland, IL
A hard freeze (28 °F) usually ends around April 15 and returns around October 22.
From the NOAA station Boswell 4wnw, IN — 9 miles away, elevation 771 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 60967
Counted from the median last spring frost (Apr 25) and first fall frost (Oct 13) 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 60967 came on Mar 12 — 20 days earlier than the 1991–2020 average (Apr 1).
Apr 12026
Mar 12
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 Stockland, IL.
Soil in Stockland, IL
The soil mapped at the center of ZIP 60967 is Lisbon — silt loam, somewhat poorly drained.
Map unit: Lisbon 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 60967; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Stockland, IL
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Boswell 4wnw, IN (9 mi away); precipitation: Boswell 4wnw, IN (9 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 60967
What planting zone is ZIP code 60967?
ZIP code 60967 (Stockland, 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 Stockland, IL?
The median last spring frost (32 °F) near 60967 is April 25; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Boswell 4wnw station.
When is the first frost in Stockland, IL?
The median first fall frost near 60967 is October 13, giving a median frost-free growing season of 169 days.
When should I plant tomatoes in 60967?
Start tomato seeds indoors around Feb 28 – Mar 14 and set transplants outside around May 2 – May 16, one to three weeks after the median last frost.
How much rain and snow does 60967 get?
About 40.2 inches of precipitation a year and 17 inches of snowfall (NOAA 1991–2020 normals, Boswell 4wnw station).
How hot do summers get in Stockland, IL?
The average high peaks at 83 °F in July, with about 13 days a year at 90 °F or more.
What kind of soil does 60967 have?
The USDA soil survey maps Lisbon at the center of ZIP 60967: silt loam, somewhat poorly drained, pH about 6.5 (neutral).
Did spring come early in Stockland, IL in 2026?
Spring leaf-out near 60967 came on Mar 12 in 2026, 20 days earlier than the 1991–2020 average (Apr 1), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Stockland, IL?
Long-day onions: the longest day near 60967 is 15 h 05 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).