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

Planting zone for 64429 — Cameron, MO

ZIP code 64429 (Cameron, Clinton County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 15 and the first fall frost October 24.

Where ZIP 64429 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 15
First frostOct 24
2012 zone5b

Was 5b 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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cameron, 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 Cameron, MO

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 plantsApril 29only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 10
Growing season192 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 5 and returns around November 3.

From the NOAA station Cameron, MO — 2 miles away, elevation 1,011 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 64429

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 29 – Sep 12
GarlicPlant cloves · Oct 10 – Nov 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 15) and first fall frost (Oct 24) 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 64429 came on Mar 8 — 17 days earlier than the 1991–2020 average (Mar 25).

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).

Soil in Cameron, MO

The soil mapped at the center of ZIP 64429 is Grundy — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH6.4slightly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2.6%moderate
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classPrime farmland if drainedUSDA classification

Map unit: Grundy silt loam, 2 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 64429; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cameron, MO

Summer high87 °Faverage high, July
Winter low15 °Faverage low, January
Hot days35days a year at 90 °F or more
Freezing nights132nights a year at 32 °F or less
Growing degree days3,646base 50 °F — the season’s usable heat
Longest day14 h 59 mindaylight on June 21
Shortest day9 h 21 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation39.1 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 35 °F, low 15 °F 35°15° JanFebruary: average high 40 °F, low 19 °F 40°19° FebMarch: average high 52 °F, low 31 °F 52°31° MarApril: average high 63 °F, low 40 °F 63°40° AprMay: average high 74 °F, low 53 °F 74°53° 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 66 °F, low 44 °F 66°44° OctNovember: average high 52 °F, low 32 °F 52°32° NovDecember: average high 40 °F, low 21 °F 40°21° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.14 in precipitation 1.1 JanFebruary: 1.30 in precipitation 1.3 FebMarch: 2.52 in precipitation 2.5 MarApril: 3.72 in precipitation 3.7 AprMay: 5.30 in precipitation 5.3 MayJune: 4.69 in precipitation 4.7 JunJuly: 4.64 in precipitation 4.6 JulAugust: 4.22 in precipitation 4.2 AugSeptember: 4.24 in precipitation 4.2 SepOctober: 2.91 in precipitation 2.9 OctNovember: 2.66 in precipitation 2.7 NovDecember: 1.76 in precipitation 1.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cameron, MO (2 mi away); precipitation: Cameron, MO (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

646496a
Kidder, MO · 8 mi
644746a
Osborn, MO · 8 mi
644936a
Turney, MO · 8 mi
646896a
Winston, MO · 10 mi
646506a
Kingston, MO · 11 mi
646206a
Altamont, MO · 13 mi
644656a
Lathrop, MO · 13 mi
644976a
Weatherby, MO · 13 mi

Missouri planting zones →

Questions about 64429

What planting zone is ZIP code 64429?

ZIP code 64429 (Cameron, 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 Cameron, MO?

The median last spring frost (32 °F) near 64429 is April 15; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cameron station.

When is the first frost in Cameron, MO?

The median first fall frost near 64429 is October 24, giving a median frost-free growing season of 192 days.

When should I plant tomatoes in 64429?

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 64429 get?

About 39.1 inches of precipitation a year (NOAA 1991–2020 normals, Cameron station).

How hot do summers get in Cameron, MO?

The average high peaks at 87 °F in July, with about 35 days a year at 90 °F or more.

What kind of soil does 64429 have?

The USDA soil survey maps Grundy at the center of ZIP 64429: silt loam, somewhat poorly drained, pH about 6.4 (slightly acidic).

Did spring come early in Cameron, MO in 2026?

Spring leaf-out near 64429 came on Mar 8 in 2026, 17 days earlier than the 1991–2020 average (Mar 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cameron, MO?

Intermediate onions: the longest day near 64429 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 64429 change?

Yes. The 2012 USDA map put 64429 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.