The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when it's possible to plant radicchio by looking at the USDA zone info for Plainfield.

Planting Calendar for Radicchio

Frost tolerance for radicchio:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since radicchio do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant radicchio in Plainfield is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant radicchio and expect a good harvest is probably September. You probably don't want to wait any later than that or else your radicchio may not have a chance to really do well. You can get started a little bit earlier by starting your radicchio indoors.

Last Frost Date

On average the last frost is on April 15 in Plainfield. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Plainfield and it will vary from year to year. Half of the time in Plainfield you get surprised by a frost after April 15 so make sure that you are prepared to cover your radicchio in the event of a surprise late frost.

USDA Zone Info for Plainfield

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Plainfield

You may be interested in your other planting guides for Plainfield.