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 figure out when it's the best time to plant parsley by looking at the USDA zone info.

Planting Calendar for Parsley

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

Since parsley do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant parsley 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 parsley and expect a good harvest is probably October. You probably don't want to wait any later than that or else your parsley may not have a chance to grow to maturity. If you are starting your parsley indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In El Cajon the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for El Cajon is not always accurate the actual date of last frost changes from year to year. Half of the time in El Cajon you get a frost after January 31 so make sure that you are ready to cover your parsley 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.