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.

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

Planting Calendar for Bellis

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

You can plant bellis a little earlier in the year because they do well in moderate cold.

The earliest that you can plant bellis in San Ramon 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. You probably don't want to wait any later than that or else your bellis may not have a chance to fully mature. You can get started a few weeks earlier by starting your bellis indoors.

Last Frost Date

The average date of last frost is February 15 in San Ramon. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for San Ramon is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in San Ramon there is a last frost after February 15 be ready to protect your bellis in the event of one of those late frosts.

USDA Zone Info for San Ramon

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Ramon

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