One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Brentwood you can figure out when it's the best time to plant kale 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.

Kale do well in moderate cold which means that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant kale in Brentwood 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. You can get started a couple of weeks earlier by starting your kale indoors.

Last Frost Date

The average date of last frost is February 15 in Brentwood. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Brentwood is an average the actual date of last frost will vary from year to year. Since half of the time in Brentwood there is a last frost after February 15 be ready to cover your kale in the event of a surprise late frost.

USDA Zone Info for Brentwood

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Brentwood

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