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

Planting zone for 64676 — Rothville, MO

ZIP code 64676 (Rothville, Chariton County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 14 and the first fall frost October 23.

Where ZIP 64676 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostApr 14
First frostOct 23
2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Rothville, 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 Rothville, MO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 9
Growing season192 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 3 and returns around November 1.

From the NOAA station Brookfield, MO — 8 miles away, elevation 768 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 64676

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Aug 28 – Sep 11
GarlicPlant cloves · Oct 9 – Nov 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 23) 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 64676 came on Mar 8 — 14 days earlier than the 1991–2020 average (Mar 22).

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 6a in Missouri

516 plants native to the lower 48 states, recorded in Missouri, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 68

Shrubs 82

Wildflowers & perennials 190

Grasses 155

Vines 10

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 Rothville, MO.

Soil in Rothville, MO

The soil mapped at the center of ZIP 64676 is Bevier — silty clay loam, somewhat poorly drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Bevier silty clay loam, 2 to 5 percent slopes, moderately eroded.

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 64676; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Rothville, MO

Summer high87 °Faverage high, July
Winter low18 °Faverage low, January
Hot days28days a year at 90 °F or more
Freezing nights121nights a year at 32 °F or less
Growing degree days3,843base 50 °F — the season’s usable heat
Longest day14 h 59 mindaylight on June 21
Shortest day9 h 22 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation42.2 inper year, rain and melted snow
Snowfall19 inper year; 30 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 36 °F, low 18 °F 36°18° JanFebruary: average high 42 °F, low 22 °F 42°22° FebMarch: average high 54 °F, low 32 °F 54°32° MarApril: average high 65 °F, low 42 °F 65°42° AprMay: average high 74 °F, low 54 °F 74°54° MayJune: average high 83 °F, low 63 °F 83°63° JunJuly: average high 87 °F, low 67 °F 87°67° JulAugust: average high 86 °F, low 65 °F 86°65° AugSeptember: average high 79 °F, low 56 °F 79°56° SepOctober: average high 67 °F, low 45 °F 67°45° OctNovember: average high 53 °F, low 33 °F 53°33° NovDecember: average high 41 °F, low 23 °F 41°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 1.50 in precipitation, 4.8 in snowfall 1.5❄5 JanFebruary: 1.82 in precipitation, 5.9 in snowfall 1.8❄6 FebMarch: 2.90 in precipitation, 2.5 in snowfall 2.9❄3 MarApril: 3.95 in precipitation, 0.2 in snowfall 4.0 AprMay: 5.53 in precipitation 5.5 MayJune: 5.49 in precipitation 5.5 JunJuly: 4.92 in precipitation 4.9 JulAugust: 4.37 in precipitation 4.4 AugSeptember: 3.99 in precipitation 4.0 SepOctober: 3.43 in precipitation, 0.1 in snowfall 3.4 OctNovember: 2.52 in precipitation, 1.2 in snowfall 2.5❄1 NovDecember: 1.80 in precipitation, 4.2 in snowfall 1.8❄4 Dec

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

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

Missouri planting zones →

Questions about 64676

What planting zone is ZIP code 64676?

ZIP code 64676 (Rothville, MO) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Rothville, MO?

The median last spring frost (32 °F) near 64676 is April 14; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Brookfield station.

When is the first frost in Rothville, MO?

The median first fall frost near 64676 is October 23, giving a median frost-free growing season of 192 days.

When should I plant tomatoes in 64676?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 64676 get?

About 42.2 inches of precipitation a year and 19 inches of snowfall (NOAA 1991–2020 normals, Brookfield station).

How hot do summers get in Rothville, MO?

The average high peaks at 87 °F in July, with about 28 days a year at 90 °F or more.

What kind of soil does 64676 have?

The USDA soil survey maps Bevier at the center of ZIP 64676: silty clay loam, somewhat poorly drained, pH about 6.2 (slightly acidic).

Did spring come early in Rothville, MO in 2026?

Spring leaf-out near 64676 came on Mar 8 in 2026, 14 days earlier than the 1991–2020 average (Mar 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Rothville, MO?

Intermediate onions: the longest day near 64676 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.