What USDA zone is Evansville, IN?

The zone on this page is 7a, from ZIP 47711 in the 2023 PRISM table of the USDA Plant Hardiness Zone Map. That ZIP is 1.9 miles from the city point. USDA defines the zone as the average annual extreme minimum, shown here as 0°F to 5°F. It is a winter-cold band, not a frost date and not a forecast.

How far away is the weather station?

The station named on this page is 2.6 miles from the city point in a straight line. Frost dates are 1991–2020 NOAA climate normals for that instrument. They are not a National Weather Service forecast for one night, and they are not the temperature in every yard. The page names the station so the miles stay attached to the dates.

Frost dates in Evansville, IN

Direct answer. In Evansville, IN, the nearest qualified NOAA station is EVANSVILLE MUSEUM, IN US (USC00122731), 2.6 miles from the city point. The median last 32°F date is March 29, and the median first 32°F date is November 10, from the 1991–2020 U.S. Climate Normals. The 2023 USDA zone is 7a (0°F to 5°F), from ZIP 47711 in the PRISM table, 1.9 miles from the same city point.

Population in the Census 2024 estimate is 115,395. The station is EVANSVILLE MUSEUM, IN US (USC00122731).

Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 47711 (1.9 miles from the city point used on this page).

Median last 32°F is March 29. Median first 32°F is November 10. The 50% growing-season length is 225 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	March 14	Earlier date. A last 32°F on or after this day is common.
50%	March 29	Median.
10%	April 11	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	October 27	Earlier date. A first 32°F on or before this day is uncommon.
50%	November 10	Median.
90%	November 25	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	245
50%	225
90%	204

28°F threshold

	10%	50%	90%
Last, on or after	March 31	March 18	March 1
First, on or before	November 5	November 20	December 6
Season at least	269 days	246 days	226 days

36°F threshold

	10%	50%	90%
Last, on or after	April 28	April 7	March 25
First, on or before	October 15	October 30	November 12
Season at least	223 days	204 days	180 days

Station EVANSVILLE MUSEUM, IN US (USC00122731). Completeness flag R, 18 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 114 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Questions

When is the last spring frost in Evansville, IN?: The median last 32°F date at the station on this page is March 29. NOAA’s 1991–2020 normals give a 50% chance the last spring minimum of 32°F or lower occurs on or after that date. The 90% date is March 14. The 10% date, the later one, is April 11. These are normals, not a forecast for this spring.
What USDA zone is Evansville, IN?: The zone on this page is 7a, from ZIP 47711 in the 2023 PRISM table of the USDA Plant Hardiness Zone Map. That ZIP is 1.9 miles from the city point. USDA defines the zone as the average annual extreme minimum, shown here as 0°F to 5°F. It is a winter-cold band, not a frost date and not a forecast.
How far away is the weather station?: The station named on this page is 2.6 miles from the city point in a straight line. Frost dates are 1991–2020 NOAA climate normals for that instrument. They are not a National Weather Service forecast for one night, and they are not the temperature in every yard. The page names the station so the miles stay attached to the dates.

Check a crop against this station

Evansville, IN

Zone 7aAverage annual extreme minimum 0°F to 5°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Indiana. Nearest qualified station: EVANSVILLE MUSEUM, IN US (USC00122731), 2.6 miles. Median last 32°F March 29. Median first 32°F November 10. The 50% growing-season length is 225 days.

Open the ZIP page

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	April 11	March 29	March 14
First 32°F on or before	October 27	November 10	November 25

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Frost dates for Indiana are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.

Date checks use your device’s calendar and appear after the page loads.