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

Planting zone for Hopkinsville, KY

Hopkinsville, KY is in USDA zone 7a across its 2 ZIP codes. The median last spring frost is April 4 and the first fall frost November 2.

Hopkinsville on the zone map

Outlined: its 1 ZIP code areas · 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
ZIP codes2
Last frostApr 4
First frostNov 2
Growing season211 days

7a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Hopkinsville, KY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 4median — 50% chance of a later frost
Safe for tender plantsApril 19only 10% chance of frost after
First fall frostNovember 2median — 10% chance by Oct 20
Growing season211 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 22 and returns around November 13.

From the NOAA station Hopkinsville, KY, elevation 522 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 Hopkinsville

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 21 – Mar 7
SpinachSow outdoors · Feb 21 – Mar 14
Broccoli, cabbageStart indoors · Jan 24 – Feb 7
Broccoli, cabbageTransplant · Mar 14 – Mar 28
Onion setsPlant outdoors · Mar 7 – Mar 21
PotatoesPlant outdoors · Mar 14 – Mar 28
LettuceSow outdoors · Mar 7 – Mar 21
Carrots, beetsSow outdoors · Mar 14 – Mar 28
TomatoesStart indoors · Feb 7 – Feb 21
TomatoesTransplant · Apr 11 – Apr 25
Peppers, eggplantStart indoors · Jan 24 – Feb 7
Peppers, eggplantTransplant · Apr 18 – May 2
BeansSow outdoors · Apr 11 – Apr 25
Sweet cornSow outdoors · Apr 11 – Apr 25
Cucumbers, squashSow outdoors · Apr 11 – Apr 25
Fall lettuce, spinachSow outdoors · Sep 7 – Sep 21
GarlicPlant cloves · Oct 19 – Nov 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Nov 2) 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 42240 came on Mar 1 — 3 days earlier than the 1991–2020 average (Mar 4).

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 Hopkinsville, KY.

Soil in Hopkinsville, KY

The soil mapped at the center of ZIP 42240 is Fredonia — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Fredonia silt loam, very rocky, 2 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 42240; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hopkinsville, KY

Summer high88 °Faverage high, July
Winter low27 °Faverage low, January
Hot days42days a year at 90 °F or more
Freezing nights87nights a year at 32 °F or less
Growing degree days4,577base 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
Precipitation51.8 inper year, rain and melted snow
Snowfall5 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 44 °F, low 27 °F 44°27° JanFebruary: average high 48 °F, low 31 °F 48°31° FebMarch: average high 58 °F, low 38 °F 58°38° MarApril: average high 69 °F, low 47 °F 69°47° AprMay: average high 77 °F, low 58 °F 77°58° MayJune: average high 85 °F, low 66 °F 85°66° JunJuly: average high 88 °F, low 70 °F 88°70° JulAugust: average high 88 °F, low 68 °F 88°68° AugSeptember: average high 82 °F, low 61 °F 82°61° SepOctober: average high 71 °F, low 49 °F 71°49° OctNovember: average high 58 °F, low 38 °F 58°38° NovDecember: average high 47 °F, low 31 °F 47°31° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.41 in precipitation, 1.8 in snowfall 3.4❄2 JanFebruary: 4.06 in precipitation, 1.8 in snowfall 4.1❄2 FebMarch: 4.76 in precipitation, 0.8 in snowfall 4.8❄1 MarApril: 4.81 in precipitation, 0.1 in snowfall 4.8 AprMay: 5.38 in precipitation 5.4 MayJune: 4.26 in precipitation 4.3 JunJuly: 4.87 in precipitation 4.9 JulAugust: 4.29 in precipitation 4.3 AugSeptember: 3.54 in precipitation 3.5 SepOctober: 3.79 in precipitation 3.8 OctNovember: 3.90 in precipitation 3.9 NovDecember: 4.69 in precipitation, 0.7 in snowfall 4.7❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hopkinsville, KY (4 mi away); precipitation: Hopkinsville, KY (4 mi away). Daylight is calculated from latitude.

ZIP codes in Hopkinsville

422407a
0 to 5 °F
422417a
0 to 5 °F

Kentucky planting zones →

Questions about Hopkinsville

What planting zone is Hopkinsville, KY?

Hopkinsville, KY is in USDA hardiness zone 7a on the 2023 map (7a: 0 to 5 °F).

When is the last frost in Hopkinsville, KY?

The median last spring frost is April 4 and the median first fall frost is November 2 (NOAA 1991–2020 normals, Hopkinsville station).

When can I plant a garden in Hopkinsville, KY?

Cool-season crops like peas and spinach go in around Feb 21 – Mar 14; tomatoes, peppers, beans and squash after about Apr 11, once frost risk has passed.

What kind of onions grow in Hopkinsville, KY?

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

How much rain and snow does Hopkinsville, KY get?

About 51.8 inches of precipitation a year and 5 inches of snowfall (NOAA 1991–2020 normals).