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

Planting zone for 42211 — Cadiz, KY

ZIP code 42211 (Cadiz, Trigg County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is March 30 and the first fall frost November 4.

Where ZIP 42211 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 frostMar 30
First frostNov 4
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cadiz, KY…

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 Cadiz, KY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 30median — 50% chance of a later frost
Safe for tender plantsApril 16only 10% chance of frost after
First fall frostNovember 4median — 10% chance by Oct 23
Growing season221 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 16 and returns around November 16.

From the NOAA station Kenlake Resort, KY — 17 miles away, elevation 486 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 42211

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 16 – Mar 2
SpinachSow outdoors · Feb 16 – Mar 9
Broccoli, cabbageStart indoors · Jan 19 – Feb 2
Broccoli, cabbageTransplant · Mar 9 – Mar 23
Onion setsPlant outdoors · Mar 2 – Mar 16
PotatoesPlant outdoors · Mar 9 – Mar 23
LettuceSow outdoors · Mar 2 – Mar 16
Carrots, beetsSow outdoors · Mar 9 – Mar 23
TomatoesStart indoors · Feb 2 – Feb 16
TomatoesTransplant · Apr 6 – Apr 20
Peppers, eggplantStart indoors · Jan 19 – Feb 2
Peppers, eggplantTransplant · Apr 13 – Apr 27
BeansSow outdoors · Apr 6 – Apr 20
Sweet cornSow outdoors · Apr 6 – Apr 20
Cucumbers, squashSow outdoors · Apr 6 – Apr 20
Fall lettuce, spinachSow outdoors · Sep 9 – Sep 23
GarlicPlant cloves · Oct 21 – Nov 25
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 30) and first fall frost (Nov 4) 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 42211 came on Mar 1 — about the same time as the 1991–2020 average (Mar 2).

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 Kentucky

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

Trees 78

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 109

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 181

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °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 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 153

autumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fblister sedge3 ft · blooms late spring · medium shade tolerance · to −38 °Fbluejoint5 ft · blooms late spring · high shade tolerance · to −33 °F

Vines 14

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °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 °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 Cadiz, KY.

Soil in Cadiz, KY

The soil mapped at the center of ZIP 42211 is Hammack — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Hammack-Baxter complex, 6 to 12 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 42211; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cadiz, KY

Summer high90 °Faverage high, July
Winter low27 °Faverage low, January
Hot days51days a year at 90 °F or more
Freezing nights76nights a year at 32 °F or less
Growing degree days4,786base 50 °F — the season’s usable heat
Longest day14 h 41 mindaylight on June 21
Shortest day9 h 38 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation56.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 45 °F, low 27 °F 45°27° JanFebruary: average high 50 °F, low 31 °F 50°31° FebMarch: average high 60 °F, low 40 °F 60°40° MarApril: average high 71 °F, low 48 °F 71°48° AprMay: average high 79 °F, low 57 °F 79°57° MayJune: average high 86 °F, low 67 °F 86°67° JunJuly: average high 90 °F, low 70 °F 90°70° JulAugust: average high 90 °F, low 69 °F 90°69° AugSeptember: average high 83 °F, low 62 °F 83°62° SepOctober: average high 71 °F, low 50 °F 71°50° OctNovember: average high 59 °F, low 39 °F 59°39° NovDecember: average high 48 °F, low 32 °F 48°32° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.33 in precipitation 4.3 JanFebruary: 4.56 in precipitation 4.6 FebMarch: 5.52 in precipitation 5.5 MarApril: 5.29 in precipitation 5.3 AprMay: 5.58 in precipitation 5.6 MayJune: 5.07 in precipitation 5.1 JunJuly: 5.06 in precipitation 5.1 JulAugust: 3.61 in precipitation 3.6 AugSeptember: 3.48 in precipitation 3.5 SepOctober: 3.85 in precipitation 3.9 OctNovember: 4.52 in precipitation 4.5 NovDecember: 5.41 in precipitation 5.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Kenlake Resort, KY (17 mi away); precipitation: Cadiz 4sw, KY (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

422327a
Gracey, KY · 10 mi
370287b
Bumpus Mills, TN · 13 mi
422367a
Herndon, KY · 14 mi
422157a
Cerulean, KY · 15 mi
422547a
La Fayette, KY · 15 mi
370237a
Big Rock, TN · 16 mi
420387a
Eddyville, KY · 19 mi
424457a
Princeton, KY · 21 mi

Kentucky planting zones →

Questions about 42211

What planting zone is ZIP code 42211?

ZIP code 42211 (Cadiz, KY) 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 Cadiz, KY?

The median last spring frost (32 °F) near 42211 is March 30; after April 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Kenlake Resort station.

When is the first frost in Cadiz, KY?

The median first fall frost near 42211 is November 4, giving a median frost-free growing season of 221 days.

When should I plant tomatoes in 42211?

Start tomato seeds indoors around Feb 2 – Feb 16 and set transplants outside around Apr 6 – Apr 20, one to three weeks after the median last frost.

How much rain and snow does 42211 get?

About 56.3 inches of precipitation a year (NOAA 1991–2020 normals, Cadiz 4sw station).

How hot do summers get in Cadiz, KY?

The average high peaks at 90 °F in July, with about 51 days a year at 90 °F or more.

What kind of soil does 42211 have?

The USDA soil survey maps Hammack at the center of ZIP 42211: silt loam, well drained, pH about 6.2 (slightly acidic).

Did spring come early in Cadiz, KY in 2026?

Spring leaf-out near 42211 came on Mar 1 in 2026, about the same as the 1991–2020 average (Mar 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Cadiz, KY?

Intermediate onions: the longest day near 42211 is 14 h 41 min, so day-neutral types bulb best; long-day varieties may not bulb fully.