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

Planting zone for 67758 — Sharon Springs, KS

ZIP code 67758 (Sharon Springs, Wallace County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 28 and the first fall frost October 15.

Where ZIP 67758 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 28
First frostOct 15
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 Sharon Springs, KS…

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 Sharon Springs, KS

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 9only 10% chance of frost after
First fall frostOctober 15median — 10% chance by Oct 3
Growing season168 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 17 and returns around October 22.

From the NOAA station Sharon Springs, KS — within 1 mile, elevation 3,452 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 67758

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 20 – Sep 3
GarlicPlant cloves · Oct 1 – Nov 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 15) 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 67758 came on Feb 21 — 24 days earlier than the 1991–2020 average (Mar 17).

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 Sharon Springs, KS

The soil mapped at the center of ZIP 67758 is Ulysses — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.8%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classPrime farmland if irrigatedUSDA classification

Map unit: Ulysses silt loam, 0 to 1 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 67758; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Sharon Springs, KS

Summer high91 °Faverage high, July
Winter low17 °Faverage low, January
Hot days61days a year at 90 °F or more
Freezing nights146nights a year at 32 °F or less
Growing degree days3,563base 50 °F — the season’s usable heat
Longest day14 h 54 mindaylight on June 21
Shortest day9 h 26 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation19.9 inper year, rain and melted snow
Snowfall21 inper year; 17 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 44 °F, low 17 °F 44°17° JanFebruary: average high 46 °F, low 19 °F 46°19° FebMarch: average high 57 °F, low 28 °F 57°28° MarApril: average high 65 °F, low 37 °F 65°37° AprMay: average high 75 °F, low 48 °F 75°48° MayJune: average high 86 °F, low 59 °F 86°59° JunJuly: average high 91 °F, low 64 °F 91°64° JulAugust: average high 88 °F, low 62 °F 88°62° AugSeptember: average high 81 °F, low 53 °F 81°53° SepOctober: average high 68 °F, low 38 °F 68°38° OctNovember: average high 54 °F, low 27 °F 54°27° NovDecember: average high 44 °F, low 19 °F 44°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.40 in precipitation, 3.2 in snowfall 0.4❄3 JanFebruary: 0.59 in precipitation, 4.7 in snowfall 0.6❄5 FebMarch: 0.95 in precipitation, 3.3 in snowfall 0.9❄3 MarApril: 1.80 in precipitation, 1.4 in snowfall 1.8❄1 AprMay: 2.58 in precipitation, 0.1 in snowfall 2.6 MayJune: 2.77 in precipitation 2.8 JunJuly: 3.86 in precipitation 3.9 JulAugust: 2.96 in precipitation 3.0 AugSeptember: 1.57 in precipitation, 0.1 in snowfall 1.6 SepOctober: 1.27 in precipitation, 1.4 in snowfall 1.3❄1 OctNovember: 0.65 in precipitation, 2.3 in snowfall 0.7❄2 NovDecember: 0.45 in precipitation, 4.5 in snowfall 0.5❄5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sharon Springs, KS (within 1 mile); precipitation: Sharon Springs, KS (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

Kansas planting zones →

Questions about 67758

What planting zone is ZIP code 67758?

ZIP code 67758 (Sharon Springs, KS) 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 Sharon Springs, KS?

The median last spring frost (32 °F) near 67758 is April 28; after May 9 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sharon Springs station.

When is the first frost in Sharon Springs, KS?

The median first fall frost near 67758 is October 15, giving a median frost-free growing season of 168 days.

When should I plant tomatoes in 67758?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 67758 get?

About 19.9 inches of precipitation a year and 21 inches of snowfall (NOAA 1991–2020 normals, Sharon Springs station).

How hot do summers get in Sharon Springs, KS?

The average high peaks at 91 °F in July, with about 61 days a year at 90 °F or more.

What kind of soil does 67758 have?

The USDA soil survey maps Ulysses at the center of ZIP 67758: silt loam, well drained, pH about 7.5 (slightly alkaline).

Did spring come early in Sharon Springs, KS in 2026?

Spring leaf-out near 67758 came on Feb 21 in 2026, 24 days earlier than the 1991–2020 average (Mar 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Sharon Springs, KS?

Intermediate onions: the longest day near 67758 is 14 h 54 min, so day-neutral types bulb best; long-day varieties may not bulb fully.