Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when you can plant flowering kale by referring to the USDA zone info for Sebastopol.

Planting Calendar for Flowering Kale

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

Since flowering kale do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant flowering kale 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 flowering kale and expect a good harvest is probably October. You probably don't want to wait any later than that or else your flowering kale may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your flowering kale indoors.

Last Frost Date

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

Since the USDA zone info for Sebastopol is an average the actual date of last frost will vary from year to year. Half of the time in Sebastopol you get surprised by a frost after February 15 so always be ready to protect your flowering kale if you have a surprise late frost.

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.