The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Struthers you can figure out when it's possible to plant radicchio by reviewing the USDA zone info.

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 mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant radicchio in Struthers 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 fully mature. If you are starting your radicchio indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Struthers. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Struthers is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Struthers there is a last frost after April 15 so be sure to be ready to protect your radicchio if you have a surprise late frost.

USDA Zone Info for Struthers

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 Struthers

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