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

Planting zone for 67221 — Mcconnell Afb, KS

ZIP code 67221 (Mcconnell Afb, Sedgwick 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 27.

Where ZIP 67221 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 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 Mcconnell Afb, 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 Mcconnell Afb, KS

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 plantsApril 27only 10% chance of frost after
First fall frostOctober 27median — 10% chance by Oct 13
Growing season198 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 30 and returns around November 5.

From the NOAA station Wichita Jabara Airport, KS — 8 miles away, elevation 1,421 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 67221

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 · 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 10) 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 67221 came on Feb 17 — 21 days earlier than the 1991–2020 average (Mar 10).

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 Mcconnell Afb, KS.

Soil in Mcconnell Afb, KS

The soil mapped at the center of ZIP 67221 is Tabler — silty clay loam, moderately well drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Tabler complex, 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 67221; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mcconnell Afb, KS

Summer high92 °Faverage high, July
Winter low23 °Faverage low, January
Hot days57days a year at 90 °F or more
Freezing nights102nights a year at 32 °F or less
Growing degree days4,435base 50 °F — the season’s usable heat
Longest day14 h 46 mindaylight on June 21
Shortest day9 h 33 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation39 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 43 °F, low 23 °F 43°23° JanFebruary: average high 48 °F, low 26 °F 48°26° FebMarch: average high 59 °F, low 35 °F 59°35° MarApril: average high 68 °F, low 45 °F 68°45° AprMay: average high 77 °F, low 55 °F 77°55° MayJune: average high 86 °F, low 65 °F 86°65° JunJuly: average high 92 °F, low 69 °F 92°69° JulAugust: average high 90 °F, low 68 °F 90°68° AugSeptember: average high 83 °F, low 59 °F 83°59° SepOctober: average high 70 °F, low 47 °F 70°47° OctNovember: average high 57 °F, low 35 °F 57°35° NovDecember: average high 45 °F, low 26 °F 45°26° Dec

Precipitation by month inches

0″2″4″6″January: 0.93 in precipitation 0.9 JanFebruary: 1.42 in precipitation 1.4 FebMarch: 2.42 in precipitation 2.4 MarApril: 3.06 in precipitation 3.1 AprMay: 6.39 in precipitation 6.4 MayJune: 6.31 in precipitation 6.3 JunJuly: 4.10 in precipitation 4.1 JulAugust: 4.37 in precipitation 4.4 AugSeptember: 3.60 in precipitation 3.6 SepOctober: 3.22 in precipitation 3.2 OctNovember: 1.73 in precipitation 1.7 NovDecember: 1.46 in precipitation 1.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wichita Jabara Airport, KS (8 mi away); precipitation: Derby 2.9 N, KS (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

672187a
Wichita, KS · 3 mi
672077a
Wichita, KS · 3 mi
672107a
Wichita, KS · 3 mi
672167a
Wichita, KS · 3 mi
672117a
Wichita, KS · 4 mi
672087a
Wichita, KS · 5 mi
670377a
Derby, KS · 5 mi
672067a
Wichita, KS · 5 mi

Kansas planting zones →

Questions about 67221

What planting zone is ZIP code 67221?

ZIP code 67221 (Mcconnell Afb, 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 Mcconnell Afb, KS?

The median last spring frost (32 °F) near 67221 is April 10; after April 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wichita Jabara Airport station.

When is the first frost in Mcconnell Afb, KS?

The median first fall frost near 67221 is October 27, giving a median frost-free growing season of 198 days.

When should I plant tomatoes in 67221?

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 67221 get?

About 39 inches of precipitation a year (NOAA 1991–2020 normals, Derby 2.9 N station).

How hot do summers get in Mcconnell Afb, KS?

The average high peaks at 92 °F in July, with about 57 days a year at 90 °F or more.

What kind of soil does 67221 have?

The USDA soil survey maps Tabler at the center of ZIP 67221: silty clay loam, moderately well drained, pH about 6.1 (slightly acidic).

Did spring come early in Mcconnell Afb, KS in 2026?

Spring leaf-out near 67221 came on Feb 17 in 2026, 21 days earlier than the 1991–2020 average (Mar 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mcconnell Afb, KS?

Intermediate onions: the longest day near 67221 is 14 h 46 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 67221 change?

Yes. The 2012 USDA map put 67221 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.