The USDA Zone info is a great tool for gardeners to help us determine 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.

In Key Biscayne you can determine when to plant sweet potatos by using the USDA zone info.

Planting Calendar for Sweet Potatos

Frost tolerance for sweet potatos:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant sweet potatos until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant sweet potatos 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 potatos and expect a good harvest is probably November. Any later than that and your sweet potatos may not have a chance to grow to maturity. If you are starting your sweet potatos indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Key Biscayne it never frosts. It might get as low as 40°F during the coldest months of winter.

Keep in mind that USDA zone info for Key Biscayne is an average and the actual date of last frost changes from year to year. Since it never frosts in Key Biscayne you do not have to be ready to protect your sweet potatos 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.