Planting zone for 64724 — Appleton City, MO
ZIP code 64724 (Appleton City, St. Clair County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 7 and the first fall frost October 29.
Where ZIP 64724 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.
Was 6a 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 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Appleton City, MO…
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 Appleton City, MO
A hard freeze (28 °F) usually ends around March 29 and returns around November 6.
From the NOAA station Appleton City, MO — 2 miles away, elevation 866 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 64724
Counted from the median last spring frost (Apr 7) and first fall frost (Oct 29) 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 64724 came on Feb 24 — 17 days earlier than the 1991–2020 average (Mar 13).
Mar 132026
Feb 24
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 Missouri
525 plants native to the lower 48 states, recorded in Missouri, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 70
Shrubs 83
Wildflowers & perennials 192
Grasses 157
Vines 12
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 Appleton City, MO.
Soil in Appleton City, MO
The soil mapped at the center of ZIP 64724 is Barden — silt loam, moderately well drained.
Map unit: Barden silt loam, 1 to 5 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 64724; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Appleton City, MO
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Appleton City, MO (2 mi away); precipitation: Appleton City, MO (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 6b.
Questions about 64724
What planting zone is ZIP code 64724?
ZIP code 64724 (Appleton City, MO) 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 Appleton City, MO?
The median last spring frost (32 °F) near 64724 is April 7; after April 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Appleton City station.
When is the first frost in Appleton City, MO?
The median first fall frost near 64724 is October 29, giving a median frost-free growing season of 202 days.
When should I plant tomatoes in 64724?
Start tomato seeds indoors around Feb 10 – Feb 24 and set transplants outside around Apr 14 – Apr 28, one to three weeks after the median last frost.
How much rain and snow does 64724 get?
About 43.5 inches of precipitation a year and 10 inches of snowfall (NOAA 1991–2020 normals, Appleton City station).
How hot do summers get in Appleton City, MO?
The average high peaks at 88 °F in July, with about 35 days a year at 90 °F or more.
What kind of soil does 64724 have?
The USDA soil survey maps Barden at the center of ZIP 64724: silt loam, moderately well drained, pH about 5.3 (strongly acidic).
Did spring come early in Appleton City, MO in 2026?
Spring leaf-out near 64724 came on Feb 24 in 2026, 17 days earlier than the 1991–2020 average (Mar 13), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Appleton City, MO?
Intermediate onions: the longest day near 64724 is 14 h 49 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 64724 change?
Yes. The 2012 USDA map put 64724 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.