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.

In Crete you can estimate when it's a good idea to plant sweet potato vine by looking at the USDA zone info.

Planting Calendar for Sweet Potato Vine

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

Sweet Potato Vine are not cold tolerant which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant sweet potato vine in Crete 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 really do well. You can get started a couple of weeks earlier by starting your sweet potato vine indoors.

Last Frost Date

In Crete the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Crete is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Crete you get surprised by a frost after April 15 be ready to cover your sweet potato vine in the event of a late frost.

USDA Zone Info for Crete

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 Crete

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