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.

The earliest that you can plant sweet williams in Montoursville should be estimated by checking out the USDA zone info.

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

The earliest that you can plant sweet williams in Montoursville 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. You probably don't want to wait any later than that or else your sweet williams may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet williams indoors.

Last Frost Date

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

Since the USDA zone info for Montoursville is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Montoursville there is a last frost after April 15 so make sure that you are prepared to cover your sweet williams in the event of a late frost.

USDA Zone Info for Montoursville

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 Montoursville

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