The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when you can plant kale is to check out the USDA zone info for Yorba Linda.

Planting Calendar for Kale

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

Since kale are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant kale in Yorba Linda 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. If you wait any later than that and your kale may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your kale indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Yorba Linda. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for Yorba Linda is just an average and the actual date of last frost is different every year. Since half of the time in Yorba Linda you get surprised by a frost after January 31 be ready to cover your kale in the event of a surprise late frost.

USDA Zone Info for Yorba Linda

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 Yorba Linda

You may be interested in your other planting guides for Yorba Linda.