The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Lebanon you will be able to estimate when 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 all chance of frost has passed.

You really shouldn't plant sweet potato vine until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant sweet potato vine in Lebanon 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. You probably don't want to wait any later than that or else your sweet potato vine may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sweet potato vine indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Lebanon. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Lebanon may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Lebanon it frosts late in the year after April 15 so make sure that you are prepared to protect your sweet potato vine in the event of a surprise late frost.

USDA Zone Info for Lebanon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lebanon

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