One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Hornell can be used to figure out when it's possible to plant sweet potato vine.

Planting Calendar for Sweet Potato Vine

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

Sweet Potato Vine are not cold tolerant which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant sweet potato vine in Hornell 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. If you wait any later than that and your sweet potato vine may not have a chance to really do well. Starting your sweet potato vine indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Hornell is an average the actual date of last frost changes from year to year. Half of the time in Hornell it frosts late in the year after April 15 so make sure that you are ready to protect your sweet potato vine if you have a late frost.

USDA Zone Info for Hornell

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Hornell

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