Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant radicchio by reviewing the USDA zone info for La Crescent.

Planting Calendar for Radicchio

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

Radicchio do well in moderate cold which tells us that you can get them planted earlier than other frost tender plants.

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

The last month that you can plant radicchio and expect a good harvest is probably August. If you wait any later than that and your radicchio may not have a chance to fully mature. Starting your radicchio indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in La Crescent. You should expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for La Crescent is just an average and the actual date of last frost will vary from year to year. Since half of the time in La Crescent you get a frost after May 15 be ready to protect your radicchio in the event of one of those late frosts.

USDA Zone Info for La Crescent

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in La Crescent

You may be interested in your other planting guides for La Crescent.