When can I plant Sweet Potato Vine in Zone 12a

One of the first steps we take when we are figuring out our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 12a should be used to determine when it's possible to plant sweet potato vine.


Planting Calendar for Sweet Potato Vine

Frost tolerance for sweet potato vine: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

Since sweet potato vine require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sweet potato vine
Possibly ok, but a risky time to plant sweet potato vine
Probably not a good time to plant sweet potato vine

The earliest that you can plant sweet potato vine in Zone 12a 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. Any later than that and 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 few weeks earlier.

Last Frost Date

In Zone 12a it never frosts. In the coldest months of winter we should expect an average low temperature of 50°F.

Since the USDA zone info for Zone 12a may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 12a you do not have to be ready to cover your sweet potato vine if we have one of those late frosts.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low50°F
Highest Expected Low55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in our other planting guides for Zone 12a.