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

It's possible to determine when it's a good idea to plant sweet potato vine by using the USDA zone info for Washingtonville.

Planting Calendar for Sweet Potato Vine

Frost tolerance for sweet potato vine:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since sweet potato vine require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant sweet potato vine in Washingtonville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant sweet potato vine and expect a good harvest is probably August. Any later than that and your sweet potato vine may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your sweet potato vine indoors.

Last Frost Date

The average date of last frost is April 15 in Washingtonville. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Washingtonville is just an average the actual date of last frost will vary from year to year. Since half of the time in Washingtonville it frosts late in the year after April 15 be ready to protect your sweet potato vine if you have a late frost.

USDA Zone Info for Washingtonville

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 Washingtonville

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