Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 figuring out when to plant radicchio is to use the USDA zone info for Totowa.

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 plant them earlier than other frost tender plants.

The earliest that you can plant radicchio in Totowa 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. Any later than that and your radicchio may not have a chance to grow to maturity. If you are starting your radicchio indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Totowa. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Totowa is an average and the actual date of last frost changes from year to year. Since half of the time in Totowa you get a frost after April 15 be ready to protect your radicchio in the event of one of those late frosts.

USDA Zone Info for Totowa

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Totowa

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