One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Kernersville you will be able to determine when it's possible to plant sweet williams.

Planting Calendar for Sweet Williams

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

Sweet Williams do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant sweet williams in Kernersville 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 sweet williams and expect a good harvest is probably September. Any later than that and your sweet williams may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sweet williams indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Kernersville. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Kernersville is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Kernersville last frost occurs after April 15 so make sure that you are prepared to cover your sweet williams in the event of one of those late frosts.

USDA Zone Info for Kernersville

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Kernersville

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