One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Lake Charles can be reviewed to determine when to plant radicchio.

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 Lake Charles is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant radicchio and expect a good harvest is probably October. You probably don't want to wait any later than that or else your radicchio may not have a chance to fully mature. If you are starting your radicchio indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Lake Charles the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Lake Charles is just an average and the actual date of last frost is different every year. Since half of the time in Lake Charles there is a last frost after February 15 be ready to protect your radicchio if you have one of those late frosts.

USDA Zone Info for Lake Charles

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Lake Charles

You may be interested in your other planting guides for Lake Charles.