Planting zone for 47432 — French Lick, IN
ZIP code 47432 (French Lick, Orange County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 25 and the first fall frost October 15.
Where ZIP 47432 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 ServiceLoading the forecast for French Lick, 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 French Lick, IN
A hard freeze (28 °F) usually ends around April 13 and returns around October 25.
From the NOAA station Dubois S In Forage Fm, IN — 4 miles away, elevation 689 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 47432
Counted from the median last spring frost (Apr 25) and first fall frost (Oct 15) 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 47432 came on Mar 7 — 9 days earlier than the 1991–2020 average (Mar 16).
Mar 162026
Mar 7
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 French Lick, IN.
Soil in French Lick, IN
The soil mapped at the center of ZIP 47432 is Wellston — silt loam, well drained.
Map unit: Wellston-Adyeville-Ebal silt loams, 12 to 18 percent slopes, eroded.
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 47432; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in French Lick, IN
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Dubois S In Forage Fm, IN (4 mi away); precipitation: Dubois S In Forage Fm, IN (4 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 6b.
Questions about 47432
What planting zone is ZIP code 47432?
ZIP code 47432 (French Lick, 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 French Lick, IN?
The median last spring frost (32 °F) near 47432 is April 25; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Dubois S In Forage Fm station.
When is the first frost in French Lick, IN?
The median first fall frost near 47432 is October 15, giving a median frost-free growing season of 172 days.
When should I plant tomatoes in 47432?
Start tomato seeds indoors around Feb 28 – Mar 14 and set transplants outside around May 2 – May 16, one to three weeks after the median last frost.
How much rain and snow does 47432 get?
About 51.7 inches of precipitation a year and 13 inches of snowfall (NOAA 1991–2020 normals, Dubois S In Forage Fm station).
How hot do summers get in French Lick, IN?
The average high peaks at 86 °F in July, with about 31 days a year at 90 °F or more.
What kind of soil does 47432 have?
The USDA soil survey maps Wellston at the center of ZIP 47432: silt loam, well drained, pH about 5.4 (strongly acidic).
Did spring come early in French Lick, IN in 2026?
Spring leaf-out near 47432 came on Mar 7 in 2026, 9 days earlier than the 1991–2020 average (Mar 16), according to the USA National Phenology Network Spring Index.
What kind of onions grow in French Lick, IN?
Intermediate onions: the longest day near 47432 is 14 h 51 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 47432 change?
Yes. The 2012 USDA map put 47432 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.