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

Planting zone for 47265 — North Vernon, IN

ZIP code 47265 (North Vernon, Jennings County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 21 and the first fall frost October 21.

Where ZIP 47265 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 21
First frostOct 21
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for North Vernon, IN…

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 North Vernon, IN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 21median — 50% chance of a later frost
Safe for tender plantsMay 10only 10% chance of frost after
First fall frostOctober 21median — 10% chance by Oct 7
Growing season180 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 8 and returns around October 31.

From the NOAA station N Vernon 2 Ese, IN — 2 miles away, elevation 745 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 47265

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 10 – Mar 24
SpinachSow outdoors · Mar 10 – Mar 31
Broccoli, cabbageStart indoors · Feb 10 – Feb 24
Broccoli, cabbageTransplant · Mar 31 – Apr 14
Onion setsPlant outdoors · Mar 24 – Apr 7
PotatoesPlant outdoors · Mar 31 – Apr 14
LettuceSow outdoors · Mar 24 – Apr 7
Carrots, beetsSow outdoors · Mar 31 – Apr 14
TomatoesStart indoors · Feb 24 – Mar 10
TomatoesTransplant · Apr 28 – May 12
Peppers, eggplantStart indoors · Feb 10 – Feb 24
Peppers, eggplantTransplant · May 5 – May 19
BeansSow outdoors · Apr 28 – May 12
Sweet cornSow outdoors · Apr 28 – May 12
Cucumbers, squashSow outdoors · Apr 28 – May 12
Fall lettuce, spinachSow outdoors · Aug 26 – Sep 9
GarlicPlant cloves · Oct 7 – Nov 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 21) and first fall frost (Oct 21) 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 47265 came on Mar 8 — 12 days earlier than the 1991–2020 average (Mar 20).

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 6b in Indiana

564 plants native to the lower 48 states, recorded in Indiana, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 72

Shrubs 105

Wildflowers & perennials 202

Grasses 162

Vines 11

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 North Vernon, IN.

Soil in North Vernon, IN

The center of ZIP 47265 is mapped as Udorthents, loamy: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 47265; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in North Vernon, IN

Summer high86 °Faverage high, July
Winter low23 °Faverage low, January
Hot days19days a year at 90 °F or more
Freezing nights102nights a year at 32 °F or less
Growing degree days3,789base 50 °F — the season’s usable heat
Longest day14 h 55 mindaylight on June 21
Shortest day9 h 25 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation49.3 inper year, rain and melted snow
Snowfall17 inper year; 16 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 40 °F, low 23 °F 40°23° JanFebruary: average high 45 °F, low 26 °F 45°26° FebMarch: average high 55 °F, low 34 °F 55°34° MarApril: average high 67 °F, low 44 °F 67°44° AprMay: average high 75 °F, low 53 °F 75°53° MayJune: average high 83 °F, low 61 °F 83°61° JunJuly: average high 86 °F, low 65 °F 86°65° JulAugust: average high 85 °F, low 63 °F 85°63° AugSeptember: average high 79 °F, low 56 °F 79°56° SepOctober: average high 68 °F, low 45 °F 68°45° OctNovember: average high 55 °F, low 35 °F 55°35° NovDecember: average high 44 °F, low 28 °F 44°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.37 in precipitation, 4.8 in snowfall 3.4❄5 JanFebruary: 3.16 in precipitation, 5.9 in snowfall 3.2❄6 FebMarch: 4.22 in precipitation, 2.2 in snowfall 4.2❄2 MarApril: 5.28 in precipitation, 0.1 in snowfall 5.3 AprMay: 4.92 in precipitation 4.9 MayJune: 5.07 in precipitation 5.1 JunJuly: 4.47 in precipitation 4.5 JulAugust: 4.45 in precipitation 4.5 AugSeptember: 3.34 in precipitation 3.3 SepOctober: 3.53 in precipitation 3.5 OctNovember: 3.83 in precipitation, 0.3 in snowfall 3.8 NovDecember: 3.66 in precipitation, 3.9 in snowfall 3.7❄4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: N Vernon 2 Ese, IN (2 mi away); precipitation: N Vernon 2 Ese, IN (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

Indiana planting zones →

Questions about 47265

What planting zone is ZIP code 47265?

ZIP code 47265 (North Vernon, IN) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in North Vernon, IN?

The median last spring frost (32 °F) near 47265 is April 21; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, N Vernon 2 Ese station.

When is the first frost in North Vernon, IN?

The median first fall frost near 47265 is October 21, giving a median frost-free growing season of 180 days.

When should I plant tomatoes in 47265?

Start tomato seeds indoors around Feb 24 – Mar 10 and set transplants outside around Apr 28 – May 12, one to three weeks after the median last frost.

How much rain and snow does 47265 get?

About 49.3 inches of precipitation a year and 17 inches of snowfall (NOAA 1991–2020 normals, N Vernon 2 Ese station).

How hot do summers get in North Vernon, IN?

The average high peaks at 86 °F in July, with about 19 days a year at 90 °F or more.

Did spring come early in North Vernon, IN in 2026?

Spring leaf-out near 47265 came on Mar 8 in 2026, 12 days earlier than the 1991–2020 average (Mar 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in North Vernon, IN?

Intermediate onions: the longest day near 47265 is 14 h 55 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 47265 change?

Yes. The 2012 USDA map put 47265 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.