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 El Cajon you can estimate when to plant parsnip by checking out the USDA zone info.

Planting Calendar for Parsnip

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

You can plant parsnip a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant parsnip 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 parsnip and expect a good harvest is probably October. Any later than that and your parsnip may not have a chance to really do well. If you are starting your parsnip indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for El Cajon is just an average the actual date of last frost is different every year. Since half of the time in El Cajon there is a last frost after January 31 be ready to protect your parsnip if you have a surprise 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.