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

Planting zone for 67835 — Cimarron, KS

ZIP code 67835 (Cimarron, Gray County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 20 and the first fall frost October 20.

Where ZIP 67835 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 20
First frostOct 20
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cimarron, 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 Cimarron, KS

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 20median — 50% chance of a later frost
Safe for tender plantsMay 3only 10% chance of frost after
First fall frostOctober 20median — 10% chance by Oct 7
Growing season182 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 10 and returns around October 29.

From the NOAA station Cimarron, KS — 12 miles away, elevation 2,704 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 67835

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 9 – Mar 23
SpinachSow outdoors · Mar 9 – Mar 30
Broccoli, cabbageStart indoors · Feb 9 – Feb 23
Broccoli, cabbageTransplant · Mar 30 – Apr 13
Onion setsPlant outdoors · Mar 23 – Apr 6
PotatoesPlant outdoors · Mar 30 – Apr 13
LettuceSow outdoors · Mar 23 – Apr 6
Carrots, beetsSow outdoors · Mar 30 – Apr 13
TomatoesStart indoors · Feb 23 – Mar 9
TomatoesTransplant · Apr 27 – May 11
Peppers, eggplantStart indoors · Feb 9 – Feb 23
Peppers, eggplantTransplant · May 4 – May 18
BeansSow outdoors · Apr 27 – May 11
Sweet cornSow outdoors · Apr 27 – May 11
Cucumbers, squashSow outdoors · Apr 27 – May 11
Fall lettuce, spinachSow outdoors · Aug 25 – Sep 8
GarlicPlant cloves · Oct 6 – Nov 10
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 20) and first fall frost (Oct 20) 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 67835 came on Feb 22 — 20 days earlier than the 1991–2020 average (Mar 14).

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 Cimarron, KS

The soil mapped at the center of ZIP 67835 is Harney — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.3slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Harney 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 67835; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cimarron, KS

Summer high93 °Faverage high, July
Winter low18 °Faverage low, January
Hot days70days a year at 90 °F or more
Freezing nights140nights a year at 32 °F or less
Growing degree days4,107base 50 °F — the season’s usable heat
Longest day14 h 48 mindaylight on June 21
Shortest day9 h 31 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation21.3 inper year, rain and melted snow
Snowfall20 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 45 °F, low 18 °F 45°18° JanFebruary: average high 49 °F, low 21 °F 49°21° FebMarch: average high 59 °F, low 30 °F 59°30° MarApril: average high 68 °F, low 39 °F 68°39° AprMay: average high 78 °F, low 51 °F 78°51° MayJune: average high 88 °F, low 62 °F 88°62° JunJuly: average high 93 °F, low 67 °F 93°67° JulAugust: average high 90 °F, low 65 °F 90°65° AugSeptember: average high 83 °F, low 56 °F 83°56° SepOctober: average high 71 °F, low 42 °F 71°42° OctNovember: average high 57 °F, low 29 °F 57°29° NovDecember: average high 46 °F, low 20 °F 46°20° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.56 in precipitation, 5.3 in snowfall 0.6❄5 JanFebruary: 0.58 in precipitation, 3.8 in snowfall 0.6❄4 FebMarch: 1.36 in precipitation, 4 in snowfall 1.4❄4 MarApril: 1.74 in precipitation, 1.1 in snowfall 1.7❄1 AprMay: 3.08 in precipitation 3.1 MayJune: 3.33 in precipitation 3.3 JunJuly: 2.97 in precipitation 3.0 JulAugust: 3.03 in precipitation 3.0 AugSeptember: 1.51 in precipitation 1.5 SepOctober: 1.77 in precipitation, 0.6 in snowfall 1.8❄1 OctNovember: 0.62 in precipitation, 1.4 in snowfall 0.6❄1 NovDecember: 0.78 in precipitation, 3.3 in snowfall 0.8❄3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cimarron, KS (12 mi away); precipitation: Kalvesta 1 W, KS (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

678536b
Ingalls, KS · 14 mi
678546b
Jetmore, KS · 19 mi
678016b
Dodge City, KS · 22 mi
678686b
Pierceville, KS · 25 mi
678416b
Ensign, KS · 25 mi
678466b
Garden City, KS · 26 mi
678826b
Wright, KS · 27 mi
678436b
Fort Dodge, KS · 27 mi

Kansas planting zones →

Questions about 67835

What planting zone is ZIP code 67835?

ZIP code 67835 (Cimarron, KS) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Cimarron, KS?

The median last spring frost (32 °F) near 67835 is April 20; after May 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cimarron station.

When is the first frost in Cimarron, KS?

The median first fall frost near 67835 is October 20, giving a median frost-free growing season of 182 days.

When should I plant tomatoes in 67835?

Start tomato seeds indoors around Feb 23 – Mar 9 and set transplants outside around Apr 27 – May 11, one to three weeks after the median last frost.

How much rain and snow does 67835 get?

About 21.3 inches of precipitation a year and 20 inches of snowfall (NOAA 1991–2020 normals, Kalvesta 1 W station).

How hot do summers get in Cimarron, KS?

The average high peaks at 93 °F in July, with about 70 days a year at 90 °F or more.

What kind of soil does 67835 have?

The USDA soil survey maps Harney at the center of ZIP 67835: silt loam, well drained, pH about 6.3 (slightly acidic).

Did spring come early in Cimarron, KS in 2026?

Spring leaf-out near 67835 came on Feb 22 in 2026, 20 days earlier than the 1991–2020 average (Mar 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cimarron, KS?

Intermediate onions: the longest day near 67835 is 14 h 48 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 67835 change?

Yes. The 2012 USDA map put 67835 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.