One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant radicchio is to examine the USDA zone info for Cicero.

Planting Calendar for Radicchio

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

Since radicchio are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant radicchio in Cicero 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. If you wait any later than that and 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

The average date of last frost is April 15 in Cicero. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Cicero is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Cicero you get surprised by a frost after April 15 so just be sure to be ready to protect your radicchio if you have one of those late frosts.

USDA Zone Info for Cicero

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 Cicero

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