When can I plant Spinach in Zone 11b

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

By checking out the USDA zone info for Zone 11b it's a good idea to estimate when you can plant spinach.


Planting Calendar for Spinach

Frost tolerance for spinach: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant spinach a little earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant spinach 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 spinach and expect a good harvest is probably November. You probably don't want to wait any later than that or else your spinach may not have a chance to grow to maturity. If you are starting your spinach indoors then you might be able to get away with starting them a few 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 is not always accurate 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 spinach 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.