One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

A common way of estimating when it's a good idea to plant radicchio is to refer to the USDA zone info for Satsuma.

Planting Calendar for Radicchio

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

Radicchio are moderately cold tolerant which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant radicchio in Satsuma 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. Starting your radicchio indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Satsuma. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Satsuma is an average the actual date of last frost changes from year to year. Half of the time in Satsuma last frost occurs after March 15 so always be ready to cover your radicchio if you have a late frost.

USDA Zone Info for Satsuma

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Satsuma

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