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

In Olean you can figure out when it's possible to plant sweet potato vine by checking out the USDA zone info.

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.

It's probably not a good idea to plant sweet potato vine until after the last frost because they are not cold tolerant.

The earliest that you can plant sweet potato vine in Olean 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

On average the last frost is on April 15 in Olean. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Olean is just an average and the actual date of last frost changes from year to year. Since half of the time in Olean there is a last frost after April 15 be ready to cover your sweet potato vine if you have one of those late frosts.

USDA Zone Info for Olean

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Olean

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