The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Del Mar can be read to determine when it's the best time to plant asparagus lettuce.

Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant asparagus lettuce until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant asparagus lettuce in Del Mar is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus lettuce and expect a good harvest is probably September. Any later than that and your asparagus lettuce may not have a chance to fully mature. Starting your asparagus lettuce indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Del Mar the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Del Mar is just an average the actual date of last frost changes from year to year. Since half of the time in Del Mar there is a last frost after January 31 be ready to protect your asparagus lettuce in the event of a surprise late frost.

USDA Zone Info for Del Mar

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 Del Mar

You may be interested in your other planting guides for Del Mar.