Last frost date in Plainfield, Indiana
April 12
Average last frost in spring. In an early year (1 in 10) it's over by March 31; in a late year (1 in 10) it comes after April 28.
October 27
Average first frost in fall. 1 year in 10 it comes by October 14.
Source: NOAA U.S. Climate Normals 1991–2020, station Indianapolis Nwfo (USC00124260), 4.9 miles from Plainfield, elevation 790 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Mooresville, so its frost dates are the same as Plainfield's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 31 | Apr 12 | Apr 28 |
| First frost in fall | Oct 14 | Oct 27 | Nov 7 |
Frost-free days in an average year: 196
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 23 | Oct 17 |
| Frost (32°F) | Every year | Apr 12 | Oct 27 |
| Hard freeze (28°F) | Every year | Apr 1 | Nov 5 |
Nights at 32°F or colder in an average year: 108
What to plant now in Plainfield
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Plainfield: April 12
- Fall planting calendar for an average first frost around October 30 Plainfield: October 27
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Indiana
- Brownsburg 10 mi · last frost Apr 12
- Indianapolis 13 mi · last frost Apr 20
- Martinsville 20 mi · last frost Apr 24
- Zionsville 21 mi · last frost Apr 21
- Franklin 22 mi · last frost Apr 20
Updated