When can I plant Potatos in Zone 11b

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

You will be able to determine when it's the best time to plant potatos by looking at the USDA zone info for Zone 11b.


Planting Calendar for Potatos

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

Potatos can survive in quite a bit of cold which tells us that you can plant them much earlier in the year than other frost tender plants.

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 11b 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. If you are starting your potatos indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 11b it never frosts. We can expect an average low temperature of 45°F in the coldest months of winter.

Since the USDA zone info for Zone 11b may not be accurate from year to year our actual date of last frost changes from year to year. Since it never frosts in Zone 11b you do not have to be ready to cover your potatos if we have a late frost.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low45°F
Highest Expected Low50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in our other planting guides for Zone 11b.