Planting zone for 47808 — Terre Haute, IN
ZIP code 47808 (Terre Haute, Vigo County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 15 and the first fall frost October 19.
Where ZIP 47808 is
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.
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 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Terre Haute, 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 Terre Haute, IN
A hard freeze (28 °F) usually ends around April 1 and returns around October 30.
From the NOAA station Terre Haute Indiana State, IN — 2 miles away, elevation 509 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 47808
Counted from the median last spring frost (Apr 15) and first fall frost (Oct 19) 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 47808 came on Mar 10 — 11 days earlier than the 1991–2020 average (Mar 21).
Mar 212026
Mar 10
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 6a in Indiana
558 plants native to the lower 48 states, recorded in Indiana, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 71
Shrubs 105
Wildflowers & perennials 200
Grasses 161
Vines 9
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 Terre Haute, IN.
Soil in Terre Haute, IN
The soil mapped at the center of ZIP 47808 is Elston — sandy loam, well drained.
Map unit: Elston sandy loam, 0 to 2 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 47808; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Terre Haute, IN
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Terre Haute Indiana State, IN (2 mi away); precipitation: Terre Haute Indiana State, IN (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.
Questions about 47808
What planting zone is ZIP code 47808?
ZIP code 47808 (Terre Haute, IN) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Terre Haute, IN?
The median last spring frost (32 °F) near 47808 is April 15; after May 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Terre Haute Indiana State station.
When is the first frost in Terre Haute, IN?
The median first fall frost near 47808 is October 19, giving a median frost-free growing season of 187 days.
When should I plant tomatoes in 47808?
Start tomato seeds indoors around Feb 18 – Mar 4 and set transplants outside around Apr 22 – May 6, one to three weeks after the median last frost.
How much rain and snow does 47808 get?
About 44.7 inches of precipitation a year (NOAA 1991–2020 normals, Terre Haute Indiana State station).
How hot do summers get in Terre Haute, IN?
The average high peaks at 90 °F in July, with about 47 days a year at 90 °F or more.
What kind of soil does 47808 have?
The USDA soil survey maps Elston at the center of ZIP 47808: sandy loam, well drained, pH about 6.2 (slightly acidic).
Did spring come early in Terre Haute, IN in 2026?
Spring leaf-out near 47808 came on Mar 10 in 2026, 11 days earlier than the 1991–2020 average (Mar 21), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Terre Haute, IN?
Intermediate onions: the longest day near 47808 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.