One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for White Oak it's a good idea to figure out when it's possible 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.

Radicchio are moderately cold tolerant which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant radicchio in White Oak 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 grow to maturity. You can get started a little bit earlier by starting your radicchio indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in White Oak. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for White Oak is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in White Oak you get surprised by a frost after March 15 be ready to protect your radicchio in the event of a surprise late frost.

USDA Zone Info for White Oak

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in White Oak

You may be interested in your other planting guides for White Oak.