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

Planting zone for 64844 — Granby, MO

ZIP code 64844 (Granby, Newton County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 7 and the first fall frost October 31.

Where ZIP 64844 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 7
First frostOct 31
2012 zone6b

Was 6b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Granby, 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 Granby, MO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 7median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostOctober 31median — 10% chance by Oct 18
Growing season206 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 27 and returns around November 8.

From the NOAA station Neosho, MO — 7 miles away, elevation 1,034 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 64844

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 24 – Mar 10
SpinachSow outdoors · Feb 24 – Mar 17
Broccoli, cabbageStart indoors · Jan 27 – Feb 10
Broccoli, cabbageTransplant · Mar 17 – Mar 31
Onion setsPlant outdoors · Mar 10 – Mar 24
PotatoesPlant outdoors · Mar 17 – Mar 31
LettuceSow outdoors · Mar 10 – Mar 24
Carrots, beetsSow outdoors · Mar 17 – Mar 31
TomatoesStart indoors · Feb 10 – Feb 24
TomatoesTransplant · Apr 14 – Apr 28
Peppers, eggplantStart indoors · Jan 27 – Feb 10
Peppers, eggplantTransplant · Apr 21 – May 5
BeansSow outdoors · Apr 14 – Apr 28
Sweet cornSow outdoors · Apr 14 – Apr 28
Cucumbers, squashSow outdoors · Apr 14 – Apr 28
Fall lettuce, spinachSow outdoors · Sep 5 – Sep 19
GarlicPlant cloves · Oct 17 – Nov 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 7) and first fall frost (Oct 31) 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 64844 came on Feb 17 — 17 days earlier than the 1991–2020 average (Mar 6).

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 Granby, MO

The soil mapped at the center of ZIP 64844 is Clarksville — slightly decomposed plant material, somewhat excessively drained.

TextureSlightly decomposed plant materialtop layer
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter69%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Clarksville extremely gravelly silt loam, 15 to 50 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 64844; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Granby, MO

Summer high90 °Faverage high, July
Winter low25 °Faverage low, January
Hot days41days a year at 90 °F or more
Freezing nights98nights a year at 32 °F or less
Growing degree days4,664base 50 °F — the season’s usable heat
Longest day14 h 42 mindaylight on June 21
Shortest day9 h 38 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation50 inper year, rain and melted snow
Snowfall8 inper year; 1 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 46 °F, low 25 °F 46°25° JanFebruary: average high 51 °F, low 29 °F 51°29° FebMarch: average high 60 °F, low 38 °F 60°38° MarApril: average high 70 °F, low 47 °F 70°47° AprMay: average high 77 °F, low 57 °F 77°57° MayJune: average high 85 °F, low 66 °F 85°66° JunJuly: average high 90 °F, low 70 °F 90°70° JulAugust: average high 89 °F, low 68 °F 89°68° AugSeptember: average high 82 °F, low 60 °F 82°60° SepOctober: average high 72 °F, low 48 °F 72°48° OctNovember: average high 60 °F, low 38 °F 60°38° NovDecember: average high 49 °F, low 29 °F 49°29° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 2.55 in precipitation, 2.8 in snowfall 2.5❄3 JanFebruary: 2.41 in precipitation, 0.9 in snowfall 2.4❄1 FebMarch: 3.70 in precipitation, 2 in snowfall 3.7❄2 MarApril: 5.31 in precipitation 5.3 AprMay: 6.74 in precipitation 6.7 MayJune: 5.70 in precipitation 5.7 JunJuly: 4.20 in precipitation 4.2 JulAugust: 3.65 in precipitation 3.6 AugSeptember: 4.99 in precipitation 5.0 SepOctober: 4.14 in precipitation 4.1 OctNovember: 3.70 in precipitation, 0.1 in snowfall 3.7 NovDecember: 2.87 in precipitation, 2.3 in snowfall 2.9❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Neosho, MO (7 mi away); precipitation: Neosho, MO (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

648537a
Newtonia, MO · 4 mi
648667a
Stark City, MO · 5 mi
648407a
Diamond, MO · 9 mi
648507a
Neosho, MO · 10 mi
657237a
Pierce City, MO · 11 mi
648427a
Fairview, MO · 11 mi
648737a
Wentworth, MO · 12 mi
648677a
Stella, MO · 13 mi

Missouri planting zones →

Questions about 64844

What planting zone is ZIP code 64844?

ZIP code 64844 (Granby, MO) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Granby, MO?

The median last spring frost (32 °F) near 64844 is April 7; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Neosho station.

When is the first frost in Granby, MO?

The median first fall frost near 64844 is October 31, giving a median frost-free growing season of 206 days.

When should I plant tomatoes in 64844?

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 64844 get?

About 50 inches of precipitation a year and 8 inches of snowfall (NOAA 1991–2020 normals, Neosho station).

How hot do summers get in Granby, MO?

The average high peaks at 90 °F in July, with about 41 days a year at 90 °F or more.

What kind of soil does 64844 have?

The USDA soil survey maps Clarksville at the center of ZIP 64844: slightly decomposed plant material, somewhat excessively drained, pH about 4.3 (strongly acidic).

Did spring come early in Granby, MO in 2026?

Spring leaf-out near 64844 came on Feb 17 in 2026, 17 days earlier than the 1991–2020 average (Mar 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Granby, MO?

Intermediate onions: the longest day near 64844 is 14 h 42 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 64844 change?

Yes. The 2012 USDA map put 64844 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.