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.

It's a good idea to figure out when it's a good idea to plant bellis by reviewing the USDA zone info for San Diego.

Planting Calendar for Bellis

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

Bellis are moderately cold tolerant which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant bellis in San Diego 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 bellis and expect a good harvest is probably October. If you wait any later than that and your bellis may not have a chance to grow to maturity. Starting your bellis indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in San Diego. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for San Diego may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in San Diego there is a last frost after February 15 be ready to cover your bellis in the event of a surprise late frost.

USDA Zone Info for San Diego

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in San Diego

You may be interested in your other planting guides for San Diego.