When to Plant Spinach in Sebastopol, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant spinach in Sebastopol by checking out the USDA zone info.


Planting Calendar for Spinach

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

Spinach are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than more sensitive plants.

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 Sebastopol 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 October. If you wait any later than that and your spinach may not have a chance to really do well. You can get started a couple of weeks earlier by starting your spinach indoors.

Last Frost Date

The average date of last frost is February 15 in Sebastopol. You should expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Sebastopol is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Sebastopol there is a last frost after February 15 so be sure to be ready to cover your spinach in the event of one of those late frosts.

USDA Zone Info for Sebastopol

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sebastopol

You may be interested in your other planting guides for Sebastopol.