The USDA Zone info is a great tool for gardeners to help us figure out 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 El Cajon you can estimate when you can plant flowering kale by reviewing the USDA zone info.

Planting Calendar for Flowering Kale

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

Flowering Kale do well in moderate cold which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant flowering kale in El Cajon 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 flowering kale and expect a good harvest is probably October. Any later than that and your flowering kale may not have a chance to fully mature. You can get started a few weeks earlier by starting your flowering kale indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in El Cajon. It might get as low as 30°F during the coldest months of winter.

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

USDA Zone Info for El Cajon

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 El Cajon

You may be interested in your other planting guides for El Cajon.