One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for San Dimas should be looked at to determine when you can 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 do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant decorative kale in San Dimas 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. Any later than that and your decorative kale may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your decorative kale indoors.

Last Frost Date

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

Since the USDA zone info for San Dimas is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in San Dimas there is a last frost after January 31 be ready to cover your decorative kale if you have a late frost.

USDA Zone Info for San Dimas

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 San Dimas

You may be interested in your other planting guides for San Dimas.