When can I plant Potatos in Zone 12b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

You can determine when it's the best time to plant potatos in Zone 12b by looking at the USDA zone info.


Planting Calendar for Potatos

Frost tolerance for potatos: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Since potatos do well in cold you can plant them earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant potatos
Possibly ok, but a risky time to plant potatos
Probably not a good time to plant potatos

The earliest that you can plant potatos in Zone 12b 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 potatos and expect a good harvest is probably November. If you wait any later than that and your potatos may not have a chance to fully mature. You can get started a few weeks earlier by starting your potatos indoors.

Last Frost Date

In Zone 12b it never frosts. We should expect an average low temperature of 55°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 12b may not be accurate from year to year and our actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your potatos in the event of one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

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