Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Walnut you will be able to determine when to plant decorative kale.

Planting Calendar for Decorative Kale

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

Since decorative kale are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant decorative kale in Walnut 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. You probably don't want to wait any later than that or else your decorative kale may not have a chance to fully mature. If you are starting your decorative kale indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Walnut. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Walnut is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Walnut last frost occurs after January 31 be ready to cover your decorative kale in the event of a late frost.

USDA Zone Info for Walnut

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 Walnut

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