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

Planting zone for 67005 — Arkansas City, KS

ZIP code 67005 (Arkansas City, Cowley County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 11 and the first fall frost October 27.

Where ZIP 67005 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 11
First frostOct 27
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 Arkansas City, 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 Arkansas City, KS

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 11median — 50% chance of a later frost
Safe for tender plantsApril 28only 10% chance of frost after
First fall frostOctober 27median — 10% chance by Oct 12
Growing season197 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 5.

From the NOAA station Winfield Strother Field Airport, KS — 7 miles away, elevation 1,152 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 67005

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 28 – Mar 14
SpinachSow outdoors · Feb 28 – Mar 21
Broccoli, cabbageStart indoors · Jan 31 – Feb 14
Broccoli, cabbageTransplant · Mar 21 – Apr 4
Onion setsPlant outdoors · Mar 14 – Mar 28
PotatoesPlant outdoors · Mar 21 – Apr 4
LettuceSow outdoors · Mar 14 – Mar 28
Carrots, beetsSow outdoors · Mar 21 – Apr 4
TomatoesStart indoors · Feb 14 – Feb 28
TomatoesTransplant · Apr 18 – May 2
Peppers, eggplantStart indoors · Jan 31 – Feb 14
Peppers, eggplantTransplant · Apr 25 – May 9
BeansSow outdoors · Apr 18 – May 2
Sweet cornSow outdoors · Apr 18 – May 2
Cucumbers, squashSow outdoors · Apr 18 – May 2
Fall lettuce, spinachSow outdoors · Sep 1 – Sep 15
GarlicPlant cloves · Oct 13 – Nov 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 11) and first fall frost (Oct 27) 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 67005 came on Feb 15 — 18 days earlier than the 1991–2020 average (Mar 5).

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).

Native plants for zone 7a in Kansas

439 plants native to the lower 48 states, recorded in Kansas, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 37

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Fbitternut hickory75 ft · blooms mid spring · high shade tolerance · to −47 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblack maple100 ft · blooms late spring · low shade tolerance · to −47 °F

Shrubs 65

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fblack cherry80 ft · blooms late spring · high shade tolerance · to −33 °Fblackhaw16 ft · blooms spring · low shade tolerance · to −33 °Fblackjack oak25 ft · blooms mid spring · high shade tolerance · to −13 °F

Wildflowers & perennials 179

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °F

Grasses 137

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °FBicknell's sedge3 ft · blooms late spring · low shade tolerance · to −38 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °F

Vines 12

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Fgraybark grape50 ft · blooms late spring · medium shade tolerance · to −8 °Fheartleaf peppervine2 ft · blooms late spring · low shade tolerance · to −8 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Arkansas City, KS.

Soil in Arkansas City, KS

The soil mapped at the center of ZIP 67005 is Norge — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.0slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Norge silt loam, 1 to 3 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 67005; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Arkansas City, KS

Summer high92 °Faverage high, July
Winter low24 °Faverage low, January
Hot days65days a year at 90 °F or more
Freezing nights96nights a year at 32 °F or less
Growing degree days4,679base 50 °F — the season’s usable heat
Longest day14 h 43 mindaylight on June 21
Shortest day9 h 37 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation39.1 inper year, rain and melted snow
Snowfall6 inper year; 7 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 24 °F 46°24° JanFebruary: average high 51 °F, low 27 °F 51°27° FebMarch: average high 60 °F, low 36 °F 60°36° MarApril: average high 69 °F, low 45 °F 69°45° AprMay: average high 78 °F, low 56 °F 78°56° MayJune: average high 87 °F, low 66 °F 87°66° JunJuly: average high 92 °F, low 71 °F 92°71° JulAugust: average high 91 °F, low 69 °F 91°69° AugSeptember: average high 83 °F, low 60 °F 83°60° SepOctober: average high 71 °F, low 48 °F 71°48° OctNovember: average high 59 °F, low 36 °F 59°36° NovDecember: average high 47 °F, low 27 °F 47°27° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 1.12 in precipitation, 1.8 in snowfall 1.1❄2 JanFebruary: 1.40 in precipitation, 1.1 in snowfall 1.4❄1 FebMarch: 2.80 in precipitation, 1.1 in snowfall 2.8❄1 MarApril: 3.78 in precipitation, 0.1 in snowfall 3.8 AprMay: 5.59 in precipitation 5.6 MayJune: 5.29 in precipitation 5.3 JunJuly: 4.61 in precipitation 4.6 JulAugust: 4.45 in precipitation 4.5 AugSeptember: 3.00 in precipitation 3.0 SepOctober: 3.51 in precipitation 3.5 OctNovember: 2.00 in precipitation, 0.2 in snowfall 2.0 NovDecember: 1.51 in precipitation, 1.9 in snowfall 1.5❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Winfield Strother Field Airport, KS (7 mi away); precipitation: Arkansas City, KS (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

746477a
Newkirk, OK · 10 mi
670517a
Geuda Springs, KS · 11 mi
671027a
Maple City, KS · 11 mi
671567a
Winfield, KS · 13 mi
671197a
Oxford, KS · 15 mi
670387a
Dexter, KS · 18 mi
746417a
Kaw City, OK · 20 mi
670197a
Burden, KS · 21 mi

Kansas planting zones →

Questions about 67005

What planting zone is ZIP code 67005?

ZIP code 67005 (Arkansas City, KS) 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 Arkansas City, KS?

The median last spring frost (32 °F) near 67005 is April 11; after April 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Winfield Strother Field Airport station.

When is the first frost in Arkansas City, KS?

The median first fall frost near 67005 is October 27, giving a median frost-free growing season of 197 days.

When should I plant tomatoes in 67005?

Start tomato seeds indoors around Feb 14 – Feb 28 and set transplants outside around Apr 18 – May 2, one to three weeks after the median last frost.

How much rain and snow does 67005 get?

About 39.1 inches of precipitation a year and 6 inches of snowfall (NOAA 1991–2020 normals, Arkansas City station).

How hot do summers get in Arkansas City, KS?

The average high peaks at 92 °F in July, with about 65 days a year at 90 °F or more.

What kind of soil does 67005 have?

The USDA soil survey maps Norge at the center of ZIP 67005: silt loam, well drained, pH about 6.0 (slightly acidic).

Did spring come early in Arkansas City, KS in 2026?

Spring leaf-out near 67005 came on Feb 15 in 2026, 18 days earlier than the 1991–2020 average (Mar 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Arkansas City, KS?

Intermediate onions: the longest day near 67005 is 14 h 43 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 67005 change?

Yes. The 2012 USDA map put 67005 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.