One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant decorative kale by using the USDA zone info for Tustin.

Planting Calendar for Decorative Kale

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

You can plant decorative kale a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant decorative kale in Tustin 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

The average date of last frost is January 31 in Tustin. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Tustin is not always accurate the actual date of last frost changes from year to year. Since half of the time in Tustin last frost occurs after January 31 be ready to cover your decorative kale in the event of a surprise late frost.

USDA Zone Info for Tustin

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Tustin

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