One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant tagetes in Del Mar by looking at the USDA zone info.

Planting Calendar for Tagetes

Frost tolerance for tagetes:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant tagetes until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant tagetes 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 tagetes and expect a good harvest is probably September. If you wait any later than that and your tagetes may not have a chance to really do well. If you are starting your tagetes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Del Mar. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Del Mar is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Del Mar last frost occurs after January 31 be ready to protect your tagetes in the event of a 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.