One of the first steps you take when you are determining your gardening schedule is find your 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 figure out when you can plant mustard greens in Sebastopol by reviewing the USDA zone info.

Planting Calendar for Mustard greens

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

Since mustard greens are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant mustard greens 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 mustard greens and expect a good harvest is probably October. You probably don't want to wait any later than that or else your mustard greens may not have a chance to fully mature. Starting your mustard greens indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Sebastopol. You can expect an average low temperature of 20°F in the coldest months of winter.

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 you get a frost after February 15 so always be ready to protect your mustard greens 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 Low	20°F
Highest Expected Low	25°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.