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

Planting zone for 47424 — Bloomfield, IN

ZIP code 47424 (Bloomfield, Greene County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 9 and the first fall frost October 31.

Where ZIP 47424 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 9
First frostOct 31
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 Bloomfield, 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 Bloomfield, IN

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 29only 10% chance of frost after
First fall frostOctober 31median — 10% chance by Oct 15
Growing season202 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 28 and returns around November 10.

From the NOAA station Crane Nsa, IN — 11 miles away, elevation 732 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 47424

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 5 – Sep 19
GarlicPlant cloves · Oct 17 – Nov 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 9) and first fall frost (Oct 31) 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 47424 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).

Soil in Bloomfield, IN

The soil mapped at the center of ZIP 47424 is Chetwynd — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.4strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3.25%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Chetwynd silt loam, 25 to 60 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 47424; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Bloomfield, IN

Summer high87 °Faverage high, July
Winter low23 °Faverage low, January
Hot days31days a year at 90 °F or more
Freezing nights98nights a year at 32 °F or less
Growing degree days4,113base 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
Precipitation46.9 inper year, rain and melted snow
Snowfall9 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 41 °F, low 23 °F 41°23° JanFebruary: average high 46 °F, low 26 °F 46°26° FebMarch: average high 56 °F, low 35 °F 56°35° MarApril: average high 69 °F, low 45 °F 69°45° AprMay: average high 77 °F, low 54 °F 77°54° MayJune: average high 85 °F, low 63 °F 85°63° JunJuly: average high 87 °F, low 67 °F 87°67° JulAugust: average high 87 °F, low 66 °F 87°66° AugSeptember: average high 81 °F, low 58 °F 81°58° SepOctober: average high 70 °F, low 45 °F 70°45° OctNovember: average high 56 °F, low 36 °F 56°36° NovDecember: average high 45 °F, low 28 °F 45°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.30 in precipitation, 3.5 in snowfall 3.3❄4 JanFebruary: 2.55 in precipitation, 2.3 in snowfall 2.5❄2 FebMarch: 3.41 in precipitation, 1 in snowfall 3.4❄1 MarApril: 4.83 in precipitation, 0.1 in snowfall 4.8 AprMay: 5.36 in precipitation 5.4 MayJune: 4.85 in precipitation 4.8 JunJuly: 4.62 in precipitation 4.6 JulAugust: 3.35 in precipitation 3.4 AugSeptember: 3.58 in precipitation 3.6 SepOctober: 3.81 in precipitation 3.8 OctNovember: 3.90 in precipitation, 0.1 in snowfall 3.9 NovDecember: 3.30 in precipitation, 1.9 in snowfall 3.3❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Crane Nsa, IN (11 mi away); precipitation: Elliston, IN (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

474496b
Newberry, IN · 8 mi
474536b
Owensburg, IN · 8 mi
474656b
Switz City, IN · 9 mi
474596b
Solsberry, IN · 10 mi
475226b
Crane, IN · 11 mi
474716b
Worthington, IN · 11 mi
474436b
Lyons, IN · 11 mi
474636b
Stanford, IN · 12 mi

Indiana planting zones →

Questions about 47424

What planting zone is ZIP code 47424?

ZIP code 47424 (Bloomfield, 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 Bloomfield, IN?

The median last spring frost (32 °F) near 47424 is April 9; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Crane Nsa station.

When is the first frost in Bloomfield, IN?

The median first fall frost near 47424 is October 31, giving a median frost-free growing season of 202 days.

When should I plant tomatoes in 47424?

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 47424 get?

About 46.9 inches of precipitation a year and 9 inches of snowfall (NOAA 1991–2020 normals, Elliston station).

How hot do summers get in Bloomfield, IN?

The average high peaks at 87 °F in July, with about 31 days a year at 90 °F or more.

What kind of soil does 47424 have?

The USDA soil survey maps Chetwynd at the center of ZIP 47424: silt loam, well drained, pH about 5.4 (strongly acidic).

Did spring come early in Bloomfield, IN in 2026?

Spring leaf-out near 47424 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 Bloomfield, IN?

Intermediate onions: the longest day near 47424 is 14 h 55 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 47424 change?

Yes. The 2012 USDA map put 47424 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.