Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 65589 — Yukon, MO

ZIP code 65589 (Yukon, Texas County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 10 and the first fall frost October 23.

Where ZIP 65589 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 10

First frostOct 23

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 Yukon, 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 Yukon, MO

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 10median — 50% chance of a later frost

Safe for tender plantsMay 1only 10% chance of frost after

First fall frostOctober 23median — 10% chance by Oct 6

Growing season194 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 3.

From the NOAA station Houston, MO — 9 miles away, elevation 1,224 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 65589

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 27 – Mar 13

SpinachSow outdoors · Feb 27 – Mar 20

Broccoli, cabbageStart indoors · Jan 30 – Feb 13

Broccoli, cabbageTransplant · Mar 20 – Apr 3

Onion setsPlant outdoors · Mar 13 – Mar 27

PotatoesPlant outdoors · Mar 20 – Apr 3

LettuceSow outdoors · Mar 13 – Mar 27

Carrots, beetsSow outdoors · Mar 20 – Apr 3

TomatoesStart indoors · Feb 13 – Feb 27

TomatoesTransplant · Apr 17 – May 1

Peppers, eggplantStart indoors · Jan 30 – Feb 13

Peppers, eggplantTransplant · Apr 24 – May 8

BeansSow outdoors · Apr 17 – May 1

Sweet cornSow outdoors · Apr 17 – May 1

Cucumbers, squashSow outdoors · Apr 17 – May 1

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 10) 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 65589 came on Feb 28 — 9 days earlier than the 1991–2020 average (Mar 9).

average
Mar 92026
Feb 28

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 Yukon, MO

The soil mapped at the center of ZIP 65589 is Tonti — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables

pH5.0strongly acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter2.8%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Tonti silt loam, 3 to 8 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 65589; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Yukon, MO

Summer high87 °Faverage high, July

Winter low24 °Faverage low, January

Hot days29days a year at 90 °F or more

Freezing nights108nights a year at 32 °F or less

Growing degree days4,001base 50 °F — the season’s usable heat

Longest day14 h 44 mindaylight on June 21

Shortest day9 h 36 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation47.4 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Houston, MO (9 mi away); precipitation: Houston 4.5 Ese, MO (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Raymondville, MO · 9 mi

655717a

Summersville, MO · 11 mi

654796b

Hartshorn, MO · 13 mi

654446b

Bucyrus, MO · 16 mi

Missouri planting zones →

Questions about 65589

What planting zone is ZIP code 65589?

ZIP code 65589 (Yukon, 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 Yukon, MO?

The median last spring frost (32 °F) near 65589 is April 10; after May 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Houston station.

When is the first frost in Yukon, MO?

The median first fall frost near 65589 is October 23, giving a median frost-free growing season of 194 days.

When should I plant tomatoes in 65589?

Start tomato seeds indoors around Feb 13 – Feb 27 and set transplants outside around Apr 17 – May 1, one to three weeks after the median last frost.

How much rain and snow does 65589 get?

About 47.4 inches of precipitation a year (NOAA 1991–2020 normals, Houston 4.5 Ese station).

How hot do summers get in Yukon, MO?

The average high peaks at 87 °F in July, with about 29 days a year at 90 °F or more.

What kind of soil does 65589 have?

The USDA soil survey maps Tonti at the center of ZIP 65589: silt loam, moderately well drained, pH about 5.0 (strongly acidic).

Did spring come early in Yukon, MO in 2026?

Spring leaf-out near 65589 came on Feb 28 in 2026, 9 days earlier than the 1991–2020 average (Mar 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Yukon, MO?

Intermediate onions: the longest day near 65589 is 14 h 44 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 65589 change?

Yes. The 2012 USDA map put 65589 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.