One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

By checking out the USDA zone info for Key Biscayne you should be able to determine 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.

It's not a good idea to plant sweet potato vine until after the last frost has passed because they require warm weather.

The earliest that you can plant sweet potato vine in Key Biscayne is January. However, you really should wait until February 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 November. You probably don't want to wait any later than that or else your sweet potato vine may not have a chance to fully mature. Starting your sweet potato vine indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Key Biscayne it never frosts. You can expect an average low temperature of 40°F in the coldest months of winter.

Since the USDA zone info for Key Biscayne is just an average the actual date of last frost will vary from year to year. Since it never frosts in Key Biscayne you do not have to be ready to cover your sweet potato vine if you have a surprise late frost.

USDA Zone Info for Key Biscayne

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Key Biscayne

You may be interested in your other planting guides for Key Biscayne.