The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for San Diego should be reffered to in order to estimate when it's possible to plant decorative kale.

Planting Calendar for Decorative Kale

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

Decorative Kale do well in moderate cold which tells us that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant decorative kale in San Diego 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 decorative kale and expect a good harvest is probably October. Any later than that and your decorative kale may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your decorative kale indoors.

Last Frost Date

In San Diego the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Diego and it is different every year. Since half of the time in San Diego there is a last frost after January 31 be ready to cover your decorative kale in the event of a late frost.

USDA Zone Info for San Diego

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in San Diego

You may be interested in your other planting guides for San Diego.