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

Planting zone for 64098 — Weston, MO

ZIP code 64098 (Weston, Platte County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 12 and the first fall frost October 27.

Where ZIP 64098 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 12
First frostOct 27
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 Weston, 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 Weston, MO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 12median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostOctober 27median — 10% chance by Oct 13
Growing season196 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 3 and returns around November 4.

From the NOAA station Leavenworth, KS — 10 miles away, elevation 869 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 64098

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 1 – Mar 15
SpinachSow outdoors · Mar 1 – Mar 22
Broccoli, cabbageStart indoors · Feb 1 – Feb 15
Broccoli, cabbageTransplant · Mar 22 – Apr 5
Onion setsPlant outdoors · Mar 15 – Mar 29
PotatoesPlant outdoors · Mar 22 – Apr 5
LettuceSow outdoors · Mar 15 – Mar 29
Carrots, beetsSow outdoors · Mar 22 – Apr 5
TomatoesStart indoors · Feb 15 – Mar 1
TomatoesTransplant · Apr 19 – May 3
Peppers, eggplantStart indoors · Feb 1 – Feb 15
Peppers, eggplantTransplant · Apr 26 – May 10
BeansSow outdoors · Apr 19 – May 3
Sweet cornSow outdoors · Apr 19 – May 3
Cucumbers, squashSow outdoors · Apr 19 – May 3
Fall lettuce, spinachSow outdoors · Sep 1 – Sep 15
GarlicPlant cloves · Oct 13 – Nov 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 12) and first fall frost (Oct 27) 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 64098 came on Feb 25 — 22 days earlier than the 1991–2020 average (Mar 19).

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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Fbald cypress130 ft · blooms mid spring · medium shade tolerance · to −18 °F

Shrubs 82

alternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °F

Wildflowers & perennials 190

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 155

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBicknell's sedge3 ft · blooms late spring · low shade tolerance · to −38 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fblister sedge3 ft · blooms late spring · medium shade tolerance · to −38 °F

Vines 10

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Fmuscadine30 ft · blooms late spring · medium shade tolerance · to −18 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °F

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 Weston, MO.

Soil in Weston, MO

The soil mapped at the center of ZIP 64098 is Sharpsburg — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter3%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Sharpsburg silt loam, 9 to 14 percent slopes, 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 64098; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Weston, MO

Summer high91 °Faverage high, July
Winter low21 °Faverage low, January
Hot days46days a year at 90 °F or more
Freezing nights105nights a year at 32 °F or less
Growing degree days4,281base 50 °F — the season’s usable heat
Longest day14 h 57 mindaylight on June 21
Shortest day9 h 23 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation38.9 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 39 °F, low 21 °F 39°21° JanFebruary: average high 45 °F, low 24 °F 45°24° FebMarch: average high 57 °F, low 34 °F 57°34° MarApril: average high 67 °F, low 44 °F 67°44° AprMay: average high 77 °F, low 55 °F 77°55° MayJune: average high 86 °F, low 65 °F 86°65° JunJuly: average high 91 °F, low 69 °F 91°69° JulAugust: average high 89 °F, low 68 °F 89°68° AugSeptember: average high 81 °F, low 58 °F 81°58° SepOctober: average high 68 °F, low 46 °F 68°46° OctNovember: average high 54 °F, low 34 °F 54°34° NovDecember: average high 43 °F, low 25 °F 43°25° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.05 in precipitation 1.1 JanFebruary: 1.52 in precipitation 1.5 FebMarch: 2.22 in precipitation 2.2 MarApril: 3.99 in precipitation 4.0 AprMay: 5.14 in precipitation 5.1 MayJune: 5.26 in precipitation 5.3 JunJuly: 4.83 in precipitation 4.8 JulAugust: 3.86 in precipitation 3.9 AugSeptember: 4.08 in precipitation 4.1 SepOctober: 3.17 in precipitation 3.2 OctNovember: 2.08 in precipitation 2.1 NovDecember: 1.66 in precipitation 1.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Leavenworth, KS (10 mi away); precipitation: Platte City 2.9 Nne, MO (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

6 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

660276b
Fort Leavenworth, KS · 7 mi
644406b
De Kalb, MO · 8 mi
644396a
Dearborn, MO · 8 mi
641686b
Kansas City, MO · 9 mi
641906b
Kansas City, MO · 9 mi
641956b
Kansas City, MO · 9 mi
640796b
Platte City, MO · 9 mi
640186a
Camden Point, MO · 9 mi

Missouri planting zones →

Questions about 64098

What planting zone is ZIP code 64098?

ZIP code 64098 (Weston, 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 Weston, MO?

The median last spring frost (32 °F) near 64098 is April 12; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Leavenworth station.

When is the first frost in Weston, MO?

The median first fall frost near 64098 is October 27, giving a median frost-free growing season of 196 days.

When should I plant tomatoes in 64098?

Start tomato seeds indoors around Feb 15 – Mar 1 and set transplants outside around Apr 19 – May 3, one to three weeks after the median last frost.

How much rain and snow does 64098 get?

About 38.9 inches of precipitation a year (NOAA 1991–2020 normals, Platte City 2.9 Nne station).

How hot do summers get in Weston, MO?

The average high peaks at 91 °F in July, with about 46 days a year at 90 °F or more.

What kind of soil does 64098 have?

The USDA soil survey maps Sharpsburg at the center of ZIP 64098: silt loam, moderately well drained, pH about 6.1 (slightly acidic).

Did spring come early in Weston, MO in 2026?

Spring leaf-out near 64098 came on Feb 25 in 2026, 22 days earlier than the 1991–2020 average (Mar 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Weston, MO?

Intermediate onions: the longest day near 64098 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.