The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Sellersville it's a good idea to estimate when it's the best time 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 do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant radicchio in Sellersville 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. If you wait any later than that and your radicchio may not have a chance to fully mature. Starting your radicchio indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Sellersville. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sellersville and it will vary from year to year. Since half of the time in Sellersville last frost occurs after April 15 be ready to protect your radicchio in the event of one of those late frosts.

USDA Zone Info for Sellersville

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 Sellersville

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