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.

In Walnut Creek you can estimate when you can plant decorative kale by referring to the USDA zone info.

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 tend to make it in some cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant decorative kale in Walnut Creek 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. If you wait any later than that and your decorative kale may not have a chance to grow to maturity. You can get started a little bit earlier by starting your decorative kale indoors.

Last Frost Date

The average date of last frost is February 15 in Walnut Creek. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Walnut Creek is an average and the actual date of last frost is different every year. Since half of the time in Walnut Creek there is a last frost after February 15 be ready to cover your decorative kale in the event of one of those late frosts.

USDA Zone Info for Walnut Creek

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 Walnut Creek

You may be interested in your other planting guides for Walnut Creek.