One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 San Marcos should be looked at to estimate when it's the best time to plant bellis.

Planting Calendar for Bellis

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

Bellis tend to make it in a little bit of cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bellis in San Marcos 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. You can get started a couple of weeks earlier by starting your bellis indoors.

Last Frost Date

On average the last frost is on January 31 in San Marcos. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for San Marcos is an average the actual date of last frost is different every year. Since half of the time in San Marcos it frosts late in the year after January 31 be ready to cover your bellis in the event of one of those late frosts.

USDA Zone Info for San Marcos

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 San Marcos

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