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

Planting zone for 67009 — Attica, KS

ZIP code 67009 (Attica, Harper County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 9 and the first fall frost October 30.

Where ZIP 67009 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 9
First frostOct 30
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 Attica, 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 Attica, KS

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 23only 10% chance of frost after
First fall frostOctober 30median — 10% chance by Oct 17
Growing season205 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 7.

From the NOAA station Anthony, KS — 14 miles away, elevation 1,339 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 67009

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 · Sep 4 – Sep 18
GarlicPlant cloves · Oct 16 – Nov 20
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 9) and first fall frost (Oct 30) 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 67009 came on Feb 15 — 20 days earlier than the 1991–2020 average (Mar 7).

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 Attica, KS

The soil mapped at the center of ZIP 67009 is Crisfield — sandy loam, moderately well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH5.2strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter0.5%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Crisfield sandy loam, rarely flooded.

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 67009; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Attica, KS

Summer high93 °Faverage high, July
Winter low22 °Faverage low, January
Hot days70days a year at 90 °F or more
Freezing nights101nights a year at 32 °F or less
Growing degree days4,533base 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
Precipitation33.6 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 45 °F, low 22 °F 45°22° JanFebruary: average high 49 °F, low 26 °F 49°26° FebMarch: average high 59 °F, low 35 °F 59°35° MarApril: average high 68 °F, low 44 °F 68°44° AprMay: average high 78 °F, low 55 °F 78°55° MayJune: average high 88 °F, low 65 °F 88°65° JunJuly: average high 93 °F, low 70 °F 93°70° JulAugust: average high 91 °F, low 68 °F 91°68° AugSeptember: average high 83 °F, low 60 °F 83°60° SepOctober: average high 71 °F, low 47 °F 71°47° OctNovember: average high 57 °F, low 34 °F 57°34° NovDecember: average high 46 °F, low 25 °F 46°25° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 0.97 in precipitation 1.0 JanFebruary: 1.10 in precipitation 1.1 FebMarch: 2.43 in precipitation 2.4 MarApril: 3.27 in precipitation 3.3 AprMay: 4.63 in precipitation 4.6 MayJune: 4.90 in precipitation 4.9 JunJuly: 4.06 in precipitation 4.1 JulAugust: 3.57 in precipitation 3.6 AugSeptember: 2.70 in precipitation 2.7 SepOctober: 3.14 in precipitation 3.1 OctNovember: 1.58 in precipitation 1.6 NovDecember: 1.29 in precipitation 1.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Anthony, KS (14 mi away); precipitation: Anthony 0.4 Nnw, KS (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

671387a
Sharon, KS · 9 mi
670617a
Hazelton, KS · 12 mi
670587a
Harper, KS · 13 mi
671507a
Waldron, KS · 14 mi
671597a
Zenda, KS · 14 mi
670037a
Anthony, KS · 14 mi
671127a
Nashville, KS · 18 mi
671427a
Spivey, KS · 18 mi

Kansas planting zones →

Questions about 67009

What planting zone is ZIP code 67009?

ZIP code 67009 (Attica, 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 Attica, KS?

The median last spring frost (32 °F) near 67009 is April 9; after April 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Anthony station.

When is the first frost in Attica, KS?

The median first fall frost near 67009 is October 30, giving a median frost-free growing season of 205 days.

When should I plant tomatoes in 67009?

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 67009 get?

About 33.6 inches of precipitation a year (NOAA 1991–2020 normals, Anthony 0.4 Nnw station).

How hot do summers get in Attica, 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 67009 have?

The USDA soil survey maps Crisfield at the center of ZIP 67009: sandy loam, moderately well drained, pH about 5.2 (strongly acidic).

Did spring come early in Attica, KS in 2026?

Spring leaf-out near 67009 came on Feb 15 in 2026, 20 days earlier than the 1991–2020 average (Mar 7), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Attica, KS?

Intermediate onions: the longest day near 67009 is 14 h 44 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 67009 change?

Yes. The 2012 USDA map put 67009 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.