One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Clearfield can be looked at to figure out when it's a good idea 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 require warm weather which means that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant sweet potato vine in Clearfield 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 fully mature. You can get started a little bit earlier by starting your sweet potato vine indoors.

Last Frost Date

On average the last frost is on April 15 in Clearfield. It might get as low as -10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Clearfield and it can change quite a bit from year to year. Since half of the time in Clearfield you get a frost after April 15 be ready to cover your sweet potato vine if you have a surprise late frost.

USDA Zone Info for Clearfield

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 Clearfield

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