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

You can determine when it's a good idea to plant kale in Tustin by reviewing the USDA zone info.

Planting Calendar for Kale

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

You can plant kale a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

Last Frost Date

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

Remember that USDA zone info for Tustin is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Tustin there is a last frost after January 31 be ready to cover your kale in the event of one of those late frosts.

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.