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

Planting zone for 65760 — Tecumseh, MO

ZIP code 65760 (Tecumseh, Ozark County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 9 and the first fall frost October 23.

Where ZIP 65760 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 9
First frostOct 23
2012 zone6b

Was 6b on the 2012 map — a full zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Tecumseh, 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 Tecumseh, MO

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 9median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 8
Growing season196 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 2.

From the NOAA station Dora 3se, MO — 9 miles away, elevation 965 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 65760

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 26 – Mar 12
SpinachSow outdoors · Feb 26 – Mar 19
Broccoli, cabbageStart indoors · Jan 29 – Feb 12
Broccoli, cabbageTransplant · Mar 19 – Apr 2
Onion setsPlant outdoors · Mar 12 – Mar 26
PotatoesPlant outdoors · Mar 19 – Apr 2
LettuceSow outdoors · Mar 12 – Mar 26
Carrots, beetsSow outdoors · Mar 19 – Apr 2
TomatoesStart indoors · Feb 12 – Feb 26
TomatoesTransplant · Apr 16 – Apr 30
Peppers, eggplantStart indoors · Jan 29 – Feb 12
Peppers, eggplantTransplant · Apr 23 – May 7
BeansSow outdoors · Apr 16 – Apr 30
Sweet cornSow outdoors · Apr 16 – Apr 30
Cucumbers, squashSow outdoors · Apr 16 – Apr 30
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 9) 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 65760 came on Feb 18 — 12 days earlier than the 1991–2020 average (Mar 2).

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 Tecumseh, MO

The soil mapped at the center of ZIP 65760 is Alred — very gravelly silt loam, well drained.

TextureVery gravelly silt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Alred very gravelly silt loam, karst, 3 to 60 percent slopes, stony.

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 65760; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Tecumseh, MO

Summer high89 °Faverage high, July
Winter low25 °Faverage low, January
Hot days35days a year at 90 °F or more
Freezing nights96nights a year at 32 °F or less
Growing degree days4,162base 50 °F — the season’s usable heat
Longest day14 h 40 mindaylight on June 21
Shortest day9 h 39 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation46 inper year, rain and melted snow
Snowfall6 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 45 °F, low 25 °F 45°25° JanFebruary: average high 51 °F, low 28 °F 51°28° FebMarch: average high 59 °F, low 36 °F 59°36° MarApril: average high 70 °F, low 46 °F 70°46° AprMay: average high 76 °F, low 54 °F 76°54° MayJune: average high 84 °F, low 63 °F 84°63° JunJuly: average high 89 °F, low 67 °F 89°67° JulAugust: average high 88 °F, low 65 °F 88°65° AugSeptember: average high 81 °F, low 58 °F 81°58° SepOctober: average high 70 °F, low 45 °F 70°45° OctNovember: average high 58 °F, low 36 °F 58°36° NovDecember: average high 48 °F, low 28 °F 48°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 2.82 in precipitation, 1.5 in snowfall 2.8❄2 JanFebruary: 2.95 in precipitation, 2.2 in snowfall 3.0❄2 FebMarch: 4.40 in precipitation, 1.4 in snowfall 4.4❄1 MarApril: 5.23 in precipitation 5.2 AprMay: 4.79 in precipitation 4.8 MayJune: 3.58 in precipitation 3.6 JunJuly: 3.59 in precipitation 3.6 JulAugust: 3.54 in precipitation 3.5 AugSeptember: 4.04 in precipitation 4.0 SepOctober: 3.60 in precipitation 3.6 OctNovember: 4.41 in precipitation, 0.1 in snowfall 4.4 NovDecember: 3.09 in precipitation, 0.5 in snowfall 3.1❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Dora 3se, MO (9 mi away); precipitation: Tecumseh 1ne, MO (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Missouri planting zones →

Questions about 65760

What planting zone is ZIP code 65760?

ZIP code 65760 (Tecumseh, MO) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Tecumseh, MO?

The median last spring frost (32 °F) near 65760 is April 9; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Dora 3se station.

When is the first frost in Tecumseh, MO?

The median first fall frost near 65760 is October 23, giving a median frost-free growing season of 196 days.

When should I plant tomatoes in 65760?

Start tomato seeds indoors around Feb 12 – Feb 26 and set transplants outside around Apr 16 – Apr 30, one to three weeks after the median last frost.

How much rain and snow does 65760 get?

About 46 inches of precipitation a year and 6 inches of snowfall (NOAA 1991–2020 normals, Tecumseh 1ne station).

How hot do summers get in Tecumseh, MO?

The average high peaks at 89 °F in July, with about 35 days a year at 90 °F or more.

What kind of soil does 65760 have?

The USDA soil survey maps Alred at the center of ZIP 65760: very gravelly silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Tecumseh, MO in 2026?

Spring leaf-out near 65760 came on Feb 18 in 2026, 12 days earlier than the 1991–2020 average (Mar 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Tecumseh, MO?

Intermediate onions: the longest day near 65760 is 14 h 40 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 65760 change?

Yes. The 2012 USDA map put 65760 in zone 6b; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.